Gear Guide · Backcountry Defense
The Best Backcountry Sidearms for Bear Defense in 2026
Seven handguns for hunters, hikers, and anyone working in predator country. Four 10mm semi-autos against three magnum revolvers, with the ammunition that actually penetrates, the holsters that actually work under a pack, and the peer-reviewed data almost nobody quotes.
Specs Verified At The Manufacturer · Studies Cited In Full
The backcountry does not care how prepared you feel. Dense timber, steep talus, a river crossing at last light, and the growing odds of sharing an elk carcass with something that got there first. If you hunt, hike, or work in predator country, the handgun on your chest is the tool you hope stays holstered all season.
This guide covers seven sidearms worth carrying in 2026, four 10mm semi-autos and three magnum revolvers. It also does something most gun roundups skip. It puts the actual peer-reviewed research on the page, including the parts that are uncomfortable for anyone selling you a bear gun.
That research is worth your attention before you spend a dollar. Two studies out of Alaska, both published in The Journal of Wildlife Management, looked at hundreds of real encounters. Their conclusion is not that handguns fail. It is that the person and the deterrent choice matter far more than the caliber stamped on the barrel. We get into that in detail below, and it shapes every recommendation here.
The Short Answer
The best backcountry sidearm for most people is the Glock 20 in 10mm Auto, currently sold as the G20 V MOS for around $700 street. It gives you 15 rounds of a cartridge that penetrates, weighs 28.4 ounces with an empty magazine, runs in mud and cold, and has more chest holster options than anything else in 10mm. Load it with hard cast, wear it on your chest, and carry bear spray on the other side.
RecommendationsOur Top Picks at a Glance
| Award | Sidearm | Caliber | MSRP |
|---|---|---|---|
| Best Overall | Glock G20 V MOS | 10mm Auto | ~$700 street |
| Best Value | S&W M&P 10mm M2.0 | 10mm Auto | ~$600 street |
| Most Accurate | Springfield XD-M Elite OSP | 10mm Auto | $706 |
| Highest Capacity | FN 510 Tactical | 10mm Auto | $1,151 |
| Most Stopping Power | S&W Model 629 | .44 Magnum | ~$1,000 |
| Most Durable | Ruger GP100 | .357 Magnum | $1,109 |
| Best Trigger | Colt Python | .357 Magnum | ~$1,499 |
MSRP taken from each manufacturer's own site in August 2026. Street prices run below MSRP and move constantly. Hunt Bums does not sell firearms. Every gun below links to the maker's spec page so you can check current numbers yourself.
The EvidenceWhat the Research Actually Says About Handguns and Bears
In the largest published review of firearm use against bears, handgun users stopped the bear 84% of the time and long gun users 76%. The authors found no statistically significant difference between them, and no difference in injury rates between people who fired and people who did not.
Almost every bear gun article on the internet skips this, so here it is in full. Tom Smith, Stephen Herrero and colleagues compiled 269 incidents of bear and human conflict involving firearms in Alaska between 1883 and 2009, covering 444 people. They published it in The Journal of Wildlife Management in 2012.
31 of 37 incidents
134 of 176 incidents
151 of 269
Read those first two numbers carefully, because the internet routinely misreads them in both directions. The 84% figure gets waved around as proof that a handgun is all you need. The authors themselves are more careful. The handgun sample is only 37 incidents, the statistical test came back at P = 0.29, and they state plainly that the gap between handguns and long guns is not significant.
Smith, Herrero, Layton, Larsen and Johnson, Efficacy of Firearms for Bear Deterrence in Alaska, Journal of Wildlife Management 76(5), 2012.
That second sentence is the one that should change how you shop. Carrying a gun did not lower the injury rate. What separated good outcomes from bad ones, in their modeling, was the bear's species and behavior and what the person was doing at the time, not the hardware.
The bear spray numbers are better
The same lead author published a companion study on bear spray in 2008, covering 83 Alaska incidents from 1985 to 2006. Spray stopped the bear's undesirable behavior in 92% of close range brown bear encounters, 46 of 50. For black bears it was 90%, 18 of 20. Of everyone carrying spray, 98% came away uninjured, and the three injuries that did occur were minor enough that nobody was hospitalized.
Wind gets blamed for spray failures constantly. In the study, wind interfered with accuracy in 7% of cases, 5 of 71, and the spray still reached the bear every one of those times.
How to Read This Honestly
These are two different studies with different samples, so 92% and 84% are not a head to head result. What they support is the mainstream agency position: carry spray, carry a gun if you are trained with it, and reach for spray first in the majority of encounters. The study authors go further than most gun writers will, warning that "the need for split-second deployment and deadly accuracy make using firearms difficult, even for experts."
None of this is an argument against a sidearm. A sidearm does jobs spray cannot: finishing wounded game, dealing with a bear already on someone, and the plain fact that spray has a hard ceiling of about 30 feet. It is an argument against buying a handgun and calling your bear plan finished.
Buyer's GuideHow to Choose a Backcountry Sidearm
The gun you carry concealed in town is usually the wrong tool when a bear decides your elk belongs to him. Five things decided these rankings, in order.
1. Penetration, not energy
You will see confident thresholds quoted around the internet, things like "500 ft-lbs minimum for black bear." Those numbers are made up. Nobody has published a bear specific energy floor, and energy is the wrong metric anyway.
What a defensive bullet has to do is reach something that matters through heavy muscle, thick hide, and shoulder bone, often at a bad angle on an animal that is moving. That is a penetration problem. Hard cast lead and solid copper penetrators are built to hold their shape and drive straight. Defensive hollow points are built to do the opposite, opening early and dumping energy shallow, which is exactly what you do not want here.
2. Whether you will actually carry it
This is the one that quietly decides everything. A 42 ounce revolver that lives in your pack is worth nothing. A 28 ounce pistol on your chest is worth a great deal. Weight, and where the weight rides, is the difference between a sidearm and a paperweight.
3. Whether you can hit with it under adrenaline
A grizzly runs at up to 35 miles per hour, which puts a 50 yard charge at roughly three seconds from start to contact. You get one draw and a small number of shots, with your hands shaking. This is where the study's warning bites: split second deployment and deadly accuracy are hard even for experts.
Recoil tolerance is not machismo here, it is a capability question. If a full house .44 Magnum makes you flinch, you will miss with it, and a miss from a .44 is worth less than a hit from a 10mm.
4. Capacity and follow-up speed
Semi-autos give you 15 to 22 rounds and fast follow-ups. Revolvers give you 6 with substantially more energy per shot and reloads too slow to matter in a charge. Neither is wrong. The 10mm's argument is that more chances to connect beats more energy you might not deliver.
5. Reliability in weather
Rain, mud, grit, river crossings, and cold that stiffens grease. Polymer framed striker guns and stainless revolvers both handle this well. Revolvers have a real edge in one specific failure mode: a cylinder full of cartridges does not care about a short stroke or a limp wrist.
ComparisonAll Seven Compared
| Sidearm | Caliber | Capacity | Barrel | Weight | MSRP | Best For |
|---|---|---|---|---|---|---|
| Glock G20 V MOS | 10mm | 15+1 | 4.61" | 28.4 oz | ~$700 street | All around carry |
| S&W M&P 10mm M2.0 | 10mm | 15+1 | 4.6" | 29.0 oz | ~$600 street | Grip control, value |
| Springfield XD-M Elite | 10mm | 16+1 | 4.5" | 31.0 oz | $706 | Accuracy |
| FN 510 Tactical | 10mm | 22+1 | 4.71" | 32.0 oz | $1,151 | Capacity, ambi controls |
| S&W Model 629 | .44 Mag | 6 | 4" | 41.5 oz | ~$1,000 | Maximum power |
| Ruger GP100 | .357 Mag | 6 | 4.2" | 40.0 oz | $1,109 | Durability |
| Colt Python | .357 Mag | 6 | 4.25" | 42.0 oz | ~$1,499 | Trigger, precision |
Glock weight is the factory figure with an empty magazine, 25.22 oz without. Revolver weights are unloaded. Capacities are flush fit magazines except the FN, which ships with both a 15 and a 22 round magazine.
The ReviewsThe 7 Best Backcountry Sidearms
Glock G20 V MOS
~$700 street · 10mm Auto · Striker
Why we recommend it: The Glock 20 is the default backcountry 10mm in North America and the reason is boring competence. Fifteen rounds, 28.4 ounces with an empty magazine, a striker system that does not care about cold or grit, and more chest holsters cut for it than for every other 10mm combined. Nothing here does any single thing best. It does everything well and it never surprises you.
Read This Before You Shop
Glock discontinued the Gen4 and Gen5 lines. The 10mm on shelves now is the G20 V MOS, part of the V Series that began shipping in December 2025. Glock's Gen6 launch in January 2026 covered the G17, G19 and G45 in 9mm only, so there is no Gen6 10mm. The V changes are internal: a smaller firing pin lug, a redesigned slide cover plate, revised channel geometry, and the Glock Marksman Barrel. Practical consequence for buyers: aftermarket triggers cut for Gen5 do not fit V Series guns. A used Gen5 20 is still an excellent buy and handles identically.
Alaskan guides carry these, which is the endorsement that counts. The 4.61 inch barrel gets full advertised velocity out of heavy hard cast, the magazine well is generous enough to reload with cold hands, and the MOS cut takes a red dot if you want one. On a bear gun a dot is genuinely useful, because under stress your eyes go to the threat and a dot lets them stay there.
The honest complaints are the ones Glock owners have made for 40 years. The grip is a blocky rectangle that suits some hands and fights others, and 10mm out of a polymer frame is snappy in a way that punishes casual practice. Neither is disqualifying. Both are reasons to shoot it before you commit.
One mechanical note that matters here more than usual. Glock's polygonal rifling and bare lead hard cast bullets are a poor long term match, and lead fouling builds up faster than most people check for. If hard cast is your carry load, see the ammo section for the barrel fix.
Pros
- Lightest gun here at 28.4 oz with an empty magazine
- Deepest chest holster and parts support in 10mm
- Runs in mud, grit, rain, and hard cold
- MOS optics cut standard
- Street price well under most of this list
Cons
- Blocky grip does not fit every hand
- Polygonal barrel and bare lead need watching
- Snappy recoil demands real practice
- Gen5 aftermarket triggers will not fit the V
What to buy: The G20 V MOS, a Kenai or Diamond D chest rig, and Buffalo Bore 220 grain Outdoorsman. Add an aftermarket barrel if you shoot hard cast often.
Smith & Wesson M&P 10mm M2.0
~$600 street · 10mm Auto · Striker
Why we recommend it: The M&P 10mm undercuts the Glock on price while beating it on the two things Glock owners complain about most, grip shape and grip texture. Four interchangeable backstraps mean it fits hands the Glock never will, and the aggressive stippling gives you something to hold onto when a hot 10mm tries to twist out of a wet glove.
If you already run an M&P in 9mm or .40, every bit of your training transfers. Same manual of arms, same trigger feel, same reset. That is worth more than any spec line, because the gun you already know is the gun you will actually shoot well when your heart rate is at 170.
The M2.0 trigger is a genuine improvement over the original M&P, with a cleaner break and a tactile reset you can feel through a glove. The stainless barrel and Armornite finish handle wet country without complaint. Smith builds it in 4" and 4.6", with and without a thumb safety, and optics ready in most configurations.
Where it loses to the Glock is the ecosystem, and for a bear gun that is a real cost. Chest holster makers cut for Glock first and everything else later, so your options are narrower and your wait times longer. Recoil is also a touch sharper than the 20, mostly a function of the grip angle and slightly lower bore axis tradeoff.
Pros
- Best grip texture and shape in the class
- Four backstraps for real hand fitting
- Cheapest gun on this list at street price
- Skills transfer directly from any M&P
- Armornite finish shrugs off wet country
Cons
- Far fewer chest holster options than Glock
- Slightly sharper recoil impulse than the 20
- Smaller aftermarket for sights and barrels
What to buy: The 4.6" optics ready version. Confirm your chest holster maker actually cuts for it before you order the gun.
Springfield XD-M Elite 4.5" OSP 10mm
$706 MSRP · 10mm Auto · Striker
Why we recommend it: The XD-M Elite gives you the highest flush magazine capacity here at 16+1, a hammer forged match grade barrel, and the META flat face trigger, which is the best factory striker trigger on this list. If you want a 10mm that shoots groups rather than patterns, this is it.
That extra round over the Glock and M&P sounds like trivia until you consider what a 10mm is for. Every round is a chance to break something structural on an animal that is already committed. Sixteen beats fifteen.
The ergonomics genuinely help. The grip is more contoured than the Glock's slab sides, the controls are fully ambidextrous, and perceived recoil is softer than the numbers predict. Springfield's optics mounting plate system handles most common footprints without a gunsmith.
Two real drawbacks for this specific job. The XD line's grip safety is one more thing that has to go right when you are drawing from a chest rig in a hurry, wearing a pack strap, possibly with a glove bunched in the wrong place. It is reliable, but it is a step, and steps cost time. And like the M&P, chest holster availability trails Glock badly.
Compact vs. Full Size
The 3.8" Compact OSP is a different gun, not just a shorter one. It holds 11+1 and weighs 27 oz against the full size's 16+1 and 31 oz. It is easier to carry and gives up five rounds and some velocity. For a dedicated bear gun, take the 4.5".
Pros
- Highest flush capacity in this guide at 16+1
- Match grade hammer forged barrel
- Best factory striker trigger here
- Fully ambidextrous controls
- Optics plate system fits most red dots
Cons
- Grip safety adds a step to a stressed draw
- Heavier than the Glock and M&P at 31 oz
- Thin chest holster support
What to buy: The 4.5" OSP, not the 3.8" Compact, if this is your primary backcountry gun.
FN 510 Tactical
$1,151 MSRP · 10mm Auto · Striker
Why we recommend it: FN took the military proven 509 platform to 10mm and ships it with a 22 round extended magazine alongside the 15 round flush mag. Twenty three rounds of 10mm on tap is more than anything else in this class, and the tritium sights co-witness with most red dots straight out of the box.
The 4.71 inch cold hammer forged barrel is the longest here, which buys a little velocity with heavy loads. Controls are fully ambidextrous, which matters more than people admit on a chest rig, where a weak hand draw is a live possibility if your strong arm is the one a bear is holding.
The trigger is a genuine highlight. FN calls the striker pack target grade and reviewers measure it between roughly 4.7 and 6 pounds with a short reset, which is at the good end of striker fired 10mm.
The cost of all this is money and mass. At $1,151 MSRP it is nearly double the M&P, and at 32 ounces it is the heaviest semi-auto here. The 22 round magazine is also a poor fit for most chest holsters, so realistically it lives in a pocket as your reload while the 15 stays in the gun.
Pros
- 22 round magazine included, unmatched in 10mm
- Longest barrel here at 4.71"
- Fully ambidextrous controls
- Tritium sights co-witness with most optics
- Excellent striker trigger for the class
Cons
- Most expensive semi-auto here at $1,151
- Heaviest semi-auto at 32 oz
- 22 round magazine fits few chest rigs
- Limited holster support versus Glock
What to buy: Run the 15 round magazine in the gun and carry the 22 as your reload. Confirm holster fit before ordering.
Smith & Wesson Model 629
~$1,000 · .44 Magnum · DA/SA Revolver
Why we recommend it: The 629 was the default bear gun for decades and it earned that. Stainless construction handles wet country, the .44 Magnum delivers roughly 1,189 ft-lbs with heavy hard cast, and a double action revolver has no manual of arms to forget. Pull the trigger. If it does not fire, pull it again.
Ammunition Warning, Read This
You will see the Buffalo Bore 340 grain +P+ load recommended for bear defense all over the internet, sometimes paired with a 629. Buffalo Bore's own approved list for that load is Ruger Redhawk and Super Redhawk, Super Blackhawk, Vaquero, Freedom Arms 83, all steel Taurus Raging Bull, Colt Anaconda, Magnum Research BFR, and Dan Wesson. Their page addresses the question directly and answers it "NO" for Smith & Wesson. For a 629, use standard pressure heavy loads. See the ammo section.
The 4 inch model is the one that makes sense for carry. Loaded with Buffalo Bore's 305 grain Heavy .44 Magnum at 1,325 fps, you get 1,189 ft-lbs and a manufacturer claim of over three feet of penetration through flesh and bone. That is real capability in a package you can wear.
The dual chambering is a practical gift. Milder .44 Special turns an expensive, punishing gun into something you will actually practice with, and practice is the whole argument of this article. Shoot Specials all summer, carry Magnums in September.
The costs are plain and they are significant. Six rounds, slow reloads, 41.5 ounces on your chest all day, and recoil that will build a flinch if you are not disciplined about how you train. This is a gun for someone who will put in the range time, not someone buying peace of mind off a spec sheet.
Pros
- 1,189 ft-lbs with heavy hard cast loads
- Over three feet of penetration claimed
- Shoots .44 Special for cheap practice
- Stainless handles wet and salt
- Revolver simplicity under extreme stress
Cons
- Six rounds and genuinely slow reloads
- 41.5 oz is heavy for all day carry
- Recoil builds flinch without discipline
- Not rated for the heaviest +P+ loads
What to buy: The 4" 629 with Buffalo Bore 305 grain Heavy .44 Magnum. Practice on .44 Special. Do not load +P+.
Ruger GP100
$1,109 MSRP · .357 Magnum · DA/SA Revolver
Why we recommend it: Ruger over built the GP100 on purpose. A solid frame with no sideplate, a triple locking cylinder, and enough steel to eat full power .357 indefinitely without shooting loose. If your sidearm is going to get dropped on rock, soaked, and neglected, this is the one that will not care.
The .357 Magnum gets dismissed as a bear cartridge more often than it deserves. Buffalo Bore's Heavy .357 180 grain hard cast gas check runs 1,400 fps for 783 ft-lbs from a 4 inch barrel, and that is a heavy, flat nosed, deep driving bullet, not a defensive hollow point. Buffalo Bore's own pitch is that it produces .44 Magnum era performance from a .357.
In black bear and mountain lion country, that is genuinely enough gun, and it comes with two advantages the .44 does not offer: you can shoot it accurately, and you can afford to practice. The .38 Special option makes the GP100 a gun you will take to the range for fun, which is how it ends up being the gun you shoot well.
The honest limit is grizzly country. Against a large brown bear you are asking a lot of 783 ft-lbs and a .357 caliber wound channel. It can work and it has worked, but if the Northern Continental Divide or the Alaska Peninsula is where you spend your season, step up to 10mm or .44.
Pros
- Built to outlast a lifetime of full power loads
- 783 ft-lbs from a 4.2" barrel with heavy hard cast
- Heavy frame soaks up recoil
- Shoots .38 Special for cheap practice
- Triple locking cylinder, no sideplate
Cons
- Marginal for large brown bears
- 40 oz is heavy for what it delivers
- Six rounds and slow reloads
- MSRP has climbed past $1,100
What to buy: Model 1705 in 4.2", or the 7 shot 1771 for $40 more. Load Buffalo Bore 180 grain hard cast.
Colt Python
~$1,499 · .357 Magnum · DA/SA Revolver
Why we recommend it: The Python has the finest trigger of any production revolver you can buy, and the accuracy from a vent rib Python is close to unfair. It is here because a gun you shoot better is a gun that works better, and nothing on this list is easier to shoot well.
The 2020 Python Is Not the Old Python
The reintroduced Python is a genuine redesign, not a reissue. Colt put about 30% more steel in the frame beneath the rear sight, the exact area where original Pythons went out of time under heavy use. The flat leaf mainspring was replaced with a heavier rounded wire spring, the parts count dropped, and a transfer bar took over from the old hammer block. It is stronger and more durable than the 1955 gun. Whether it is as sweet is an argument that will outlive all of us.
For backcountry work that redesign matters more than the collector debate. The old Python's reputation for going out of time under a steady diet of full power magnums was earned, and the new frame directly addresses it. This is now a revolver you can feed heavy .357 without wincing on its behalf.
Ballistically it is the GP100, same cartridge and nearly the same barrel length, so everything said above about the .357's ceiling in grizzly country applies here too. What you are paying for is the trigger, the accuracy, and the finish.
Which is also the argument against it. Fifteen hundred dollars is a lot to hang on a chest rig and drag through willow and rain, and most people who own a Python flinch at the thought of the first real scratch. A gun you are protecting is a gun you left in the truck.
Pros
- Best trigger of any production revolver
- Exceptional accuracy from the vent rib barrel
- 2020 frame is stronger than the original
- Stainless holds up in wet country
- Shoots .38 Special for practice
Cons
- About $1,499, the most expensive gun here
- Heaviest gun in this guide at 42 oz
- Same .357 ceiling on big bears
- Too nice to abuse, which defeats the point
What to buy: The 4.25" stainless. If the price of scratching it would bother you, buy the GP100 instead and spend the difference on ammunition.
AmmunitionBackcountry Ammo Guide: What to Load and Why
For bear defense, load hard cast lead or a solid copper penetrator, not a hollow point. Hollow points are engineered to expand early and stop shallow, which is the opposite of what you need through heavy bone.
Ammunition selection matters more than the gun. A defensive hollow point out of a .44 Magnum can fail on a bear where a hard cast bullet out of a 10mm succeeds, because the two bullets are solving different problems. Here are the loads worth carrying, with published numbers.
| Load | Caliber | Bullet | Velocity | Energy |
|---|---|---|---|---|
| Buffalo Bore Outdoorsman 21C | 10mm | 220 gr hard cast FN | 1,200 fps | 703 ft-lbs |
| Underwood 248 | 10mm | 200 gr hard cast FN | 1,250 fps | 694 ft-lbs |
| Buffalo Bore Heavy 4A | .44 Mag | 305 gr hard cast GC | 1,325 fps | 1,189 ft-lbs |
| Buffalo Bore Heavy 19A | .357 Mag | 180 gr hard cast GC | 1,400 fps | 783 ft-lbs |
All figures are manufacturer published. Buffalo Bore lists the .357 velocity from a 4 inch barrel. Real world velocity varies with barrel length, temperature, and individual gun. Chronograph your own carry load if you can.
Match the Load to the Gun, Not Just the Caliber
Buffalo Bore's 340 grain .44 Magnum +P+ is not approved for Smith & Wesson revolvers. Their approved list is Ruger Redhawk and Super Redhawk, Super Blackhawk and Vaquero, Freedom Arms 83, all steel Taurus Raging Bull, Colt Anaconda, Magnum Research BFR, and Dan Wesson. If you carry a 629, the correct choice is the standard pressure 305 grain Heavy .44 Magnum in the table above. "It is a .44 Magnum" is not the same as "this load is safe in my .44 Magnum."
For grizzly and brown bear
You want deep, straight line penetration and nothing else. Hard cast lead with a wide flat nose, or a solid copper penetrator. The flat meplat is not cosmetic: it cuts and crushes tissue instead of sliding through it, and it resists deflecting off bone.
In 10mm, that means the Buffalo Bore 220 grain Outdoorsman, the Underwood 200 grain hard cast, or Underwood's 200 grain Xtreme Penetrator. In .44 Magnum it means the 305 grain Heavy load, or the 340 grain +P+ only if you own one of the guns on Buffalo Bore's list.
For black bear and mountain lion
Smaller animals, thinner bone, and controlled expansion becomes defensible. Even here, penetration should win any tie. Hornady 175 grain Critical Duty and Federal 200 grain HST both work in 10mm. In .357 or .44, Federal's Swift A-Frame is a bonded bullet that holds together and keeps driving.
Stock up before your trip, not at a trailhead gas station. Heavy hard cast is a specialty product and it disappears from shelves in August. We keep a running list of the best online ammo retailers for exactly this reason.
Glock Owners: The Barrel Problem
Glock's polygonal rifling and bare lead hard cast bullets do not get along. Lead fouling builds faster than in conventional rifling and, left alone, raises pressure. If hard cast is your carry and practice load, fit an aftermarket barrel with conventional rifling from KKM Precision or Lone Wolf. If you only fire a box a year to confirm zero, clean the barrel afterward and carry on.
Carry MethodHolsters and How to Wear a Backcountry Sidearm
A chest holster is the correct answer for anyone wearing a pack. A hip holster sits underneath a loaded pack belt, which makes it unreachable in the exact situation you bought the gun for.
This is the part people get wrong most often, and it is the cheapest thing to fix. A $700 pistol in the wrong rig is slower than a $200 pistol in the right one.
Chest holster, the default
It rides above your pack's hip belt, stays clear of your arms while you walk, and puts the grip where both hands can reach it. It also works seated, kneeling, and lying down, which a hip holster does not. Gunfighters Inc. Kenai, Diamond D Custom Leather, and Alaska Guide Creations all build proven rigs. Most integrate with a bino harness or replace it.
Thigh holster, the situational choice
Workable if you do not run a bino harness and want your chest clear. Safariland makes retention rigs that stay put on steep ground. The drawback is real: a thigh rig snags brush and deadfall constantly in thick timber.
Hip holster, only without a pack
Fine for a day hike, a horse, or a truck gun. Not viable on an overnight, because the moment you cinch a loaded pack belt the gun is gone.
The Practice That Actually Matters
Dry fire your draw with a verified empty gun, wearing the pack and the layers you actually hunt in. Not at the range in a t-shirt. Fifty repetitions, from the rig you carry, until you can present in under two seconds. A grizzly covers 50 yards in about three seconds at speed, so a four second draw is not a draw. And carry your bear spray on the opposite side, so either hand has an option.
LegalityWhere You Can Legally Carry a Sidearm
Since February 22, 2010, you may possess a firearm in a national park if you are not otherwise prohibited and you comply with the law of the state the park sits in. Discharging it is still prohibited except in the narrow circumstances the park allows.
The rule people get wrong is the gap between possession and use. Federal law at 54 USC 104906 and 36 CFR 2.4 made park firearm rules track state law, so a valid carry in Montana is a valid carry in the Montana portion of Yellowstone. That is possession only.
Three Rules Worth Memorizing
1. State law governs possession in a national park, and a park that spans state lines can change the rules under your feet. 2. Discharge is prohibited unless authorized, and that includes target practice. Legitimate defense of life is handled differently, but expect to explain yourself. 3. Federal facilities inside parks, meaning visitor centers, ranger stations, and administrative offices, remain off limits regardless of your permit.
Two more that catch hunters out. Canada is not an option. Handguns are prohibited or restricted for non residents and you will not be bringing one across for bear protection, which is a large part of why bear spray is the norm in the Canadian Rockies. And national wildlife refuges, BLM, and national forest land all run different rules from national parks, usually more permissive, but check before you go.
Confirm current rules with the managing agency for the specific unit you are entering. The National Park Service firearms page is the primary source for park units and it is worth reading before a trip rather than at a trailhead.
UpkeepField Maintenance: Keeping It Ready
A carry gun lives a hard life. It gets rained on, dropped, sweated into, and frozen, then it sits untouched for eleven months. Five habits cover almost all of it.
- Clean it after every tripField strip per the manual, clear grit from the rails or under the extractor star, and wipe it dry. A bore snake weighs almost nothing and belongs in your pack for multi day trips.
- Oil sparinglyA thin film on the bearing surfaces prevents corrosion. Over oiling attracts dust, turns to lapping paste in a dry canyon, and stiffens in cold. Less is genuinely more.
- Rotate your carry ammoCheck for corrosion, dented primers, and bullet setback from repeated chambering. Setback raises pressure and it is the most common ammunition problem in a carry gun. Rotate every six months and write the date on the box.
- Service your magazinesSprings take a set. Disassemble and clean quarterly, and replace springs on any magazine kept loaded year round. Magazines cause more semi-auto stoppages than anything else.
- Switch to a cold weather lubricantBelow about 20 degrees, standard gun oil thickens enough to slow a slide or a revolver's action. Strip it and run a lubricant rated for extreme cold before a late season hunt.
One habit worth adding: fire your actual carry load once a year. Hard cast bullets have different feed geometry than range ammunition, and a magazine that runs 180 grain FMJ perfectly can stumble on a wide flat nose. Find that out at the range, not in the timber. For more like this, browse our firearms coverage.
Bottom LineWhat We'd Carry
If we had to pick one, it is the Glock 20, now sold as the G20 V MOS. Fifteen rounds of 10mm, 28.4 ounces with an empty magazine, and a holster ecosystem nothing else in the caliber can touch. Load it with Buffalo Bore 220 grain Outdoorsman, hang it in a Kenai chest rig, and put bear spray on the opposite side.
But the honest ranking depends on you. The M&P 10mm fits more hands and costs less. The XD-M Elite is more accurate and holds one more. The FN 510 gives you 23 rounds. The 629 hits harder than any semi-auto here. The GP100 will outlive you. The Python is the finest revolver you will ever shoot.
And all of that is secondary to what the research found. In 269 documented Alaska incidents, the gap between handguns and long guns was not statistically significant, and carrying a firearm did not lower anyone's injury rate. The variable that moved outcomes was the person, and the deterrent they reached for first.
Quick AnswersBackcountry Sidearm FAQ
For most people it is the Glock 20 in 10mm Auto, sold in 2026 as the G20 V MOS. It holds 15 rounds, weighs 28.4 ounces with an empty magazine, works in mud and hard cold, and has more chest holster options than any other 10mm. Load it with a heavy hard cast bullet such as Buffalo Bore's 220 grain Outdoorsman. A .44 Magnum revolver hits harder per shot, but only if you can shoot it accurately under adrenaline.
Yes, with the right bullet. A 10mm loaded with 200 to 220 grain hard cast produces roughly 694 to 703 ft-lbs and drives straight through heavy bone, and Buffalo Bore claims over three feet of penetration for its 220 grain Outdoorsman load. What is not enough is a 10mm loaded with defensive hollow points, which expand early and stop short. Bullet construction matters more than caliber.
The published data favors spray for most encounters. In a 2008 study of 83 Alaska incidents, bear spray stopped brown bear aggression 92% of the time and 98% of people carrying it were uninjured. A separate 2012 study of 269 firearm incidents found handguns succeeded 84% of the time, with no significant difference from long guns, and no reduction in injury rate for people who fired. These are different samples so it is not a direct comparison, but the sensible conclusion is to carry both and reach for spray first.
Hard cast lead with a wide flat nose, or a solid copper penetrator. In 10mm, Buffalo Bore 220 grain Outdoorsman at 1,200 fps or Underwood 200 grain hard cast at 1,250 fps. In .44 Magnum, Buffalo Bore's 305 grain Heavy load at 1,325 fps. In .357 Magnum, Buffalo Bore's 180 grain hard cast at 1,400 fps from a 4 inch barrel. Do not carry defensive hollow points, which are designed to expand early and will not reach vitals through heavy bone.
No. Buffalo Bore lists that load as approved only for the Ruger Redhawk and Super Redhawk, Super Blackhawk and Vaquero, Freedom Arms Model 83, all steel Taurus Raging Bull, Colt Anaconda, Magnum Research BFR, and Dan Wesson revolvers, plus certain falling block rifles. Their product page addresses Smith & Wesson directly and says no. For a 629, use their standard pressure 305 grain Heavy .44 Magnum load, which produces 1,189 ft-lbs and is rated for all steel revolvers.
For black bear and mountain lion, yes. Buffalo Bore's Heavy .357 180 grain hard cast produces 1,400 fps and 783 ft-lbs from a 4 inch barrel with a deep penetrating flat nose bullet. For large brown bears it is marginal, and if you regularly hunt grizzly country you should move up to 10mm or .44 Magnum. The .357's real advantage is that most people can shoot it accurately and can afford to practice with .38 Special.
Yes, if you are not otherwise prohibited from possessing a firearm and you comply with the law of the state the park is located in. That has been federal law since February 22, 2010, under 54 USC 104906 and 36 CFR 2.4. Two limits apply: discharging a firearm in a park is prohibited unless authorized, including target practice, and firearms remain banned inside federal facilities such as visitor centers and ranger stations. Parks spanning multiple states can have different rules in different sections.
A chest holster, if you carry a pack. A hip holster sits under a loaded pack belt and becomes unreachable in the moment you need it. Chest rigs from Gunfighters Inc., Diamond D Custom Leather, and Alaska Guide Creations ride above the belt, stay clear while walking, and work seated or prone. Practice until you can draw and present in under two seconds, since a grizzly covers 50 yards in roughly three seconds.
Yes. Glock discontinued its Gen4 and Gen5 pistol lines, and the 10mm now ships as the G20 V MOS, part of the V Series that began reaching dealers in December 2025. The V changes are internal, including a smaller firing pin lug, a redesigned slide cover plate, and the Glock Marksman Barrel. Glock's Gen6 launch in January 2026 covered only the G17, G19 and G45 in 9mm, so there is no Gen6 10mm. A used Gen5 Glock 20 remains an excellent buy, but aftermarket triggers cut for Gen5 will not fit V Series guns.
A 10mm semi-auto suits most hunters. It gives you 15 or more rounds, fast follow-up shots, and lighter weight for all day carry, and modern hard cast loads penetrate more than adequately. Choose a magnum revolver if you want maximum energy per shot, absolute mechanical simplicity, or the ability to practice cheaply with .38 Special or .44 Special. The deciding question is which one you will shoot accurately when your hands are shaking.
Sources: Firearm specifications and MSRP taken from Glock, Smith & Wesson, Springfield Armory, FN America, Ruger, and Colt in August 2026. Ballistics from Buffalo Bore and Underwood Ammo. Bear encounter data from Smith, Herrero, Layton, Larsen and Johnson, Efficacy of Firearms for Bear Deterrence in Alaska, Journal of Wildlife Management 76(5):1021-1027, 2012; and Smith, Herrero, Debruyn and Wilder, Efficacy of Bear Deterrent Spray in Alaska, Journal of Wildlife Management 72(3):640-645, 2008. Carry law from the National Park Service. Prices and specifications change; verify with the manufacturer and confirm current firearm law with the managing agency before you travel.
Very informative .