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10mm for bear defense

Capacity, a flat carry-size pistol and deep penetration with the right load — the reasons 10mm has become a favourite sidearm for fishing, hiking and working in bear country.

Pair a reliable pistol with heavy hard-cast or solid bullets, carry it where you can reach it with a pack on, and practice with the ammunition you'll actually carry.

10mm pistols in stock

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Common questions

Is 10mm good for bear defense?

It is one of the most popular handgun choices for it. Loaded with heavy (roughly 200–220 grain) hard-cast or solid bullets, 10mm penetrates deeply while giving you more rounds and less recoil than a big-bore revolver. It is less powerful than .44 Magnum and heavier revolver cartridges, so shot placement matters.

Will a 10mm stop a bear?

No handgun guarantees it. A 10mm with the right bullet can penetrate deeply enough to reach vital organs, and its extra capacity allows follow-up shots, but results depend on where the bullets land. Many people carry 10mm alongside bear spray.

What is the best 10mm pistol for bear defense?

The one that fits your hands and holster and runs reliably with heavy loads. Popular choices include full-size and compact pistols from Smith & Wesson, Taurus, Sig Sauer, Springfield Armory, Kimber, Colt — all listed below with live stock.

What is the best 10mm ammo for bear defense?

Heavy hard-cast flat-nose or solid-copper bullets built for penetration, rather than hollow points designed to expand quickly. Confirm your pistol feeds them reliably before you carry them.

10mm or .44 Magnum?

The .44 Magnum hits harder per shot; the 10mm carries more rounds in a lighter, flatter gun with softer recoil. If you shoot a revolver well, .44 Magnum; if you want capacity and a lighter carry gun, 10mm. See our caliber guide.

Before you carry in bear country

  • Practice with the loads you'll carry. Full-power bear loads recoil much harder than range ammunition. Shoot them enough to hit quickly under stress.
  • Carry it where you can reach it. A chest holster keeps a handgun clear of a pack's hip belt and waders.
  • Consider bear spray too. Many people in the field carry both; they solve different problems.
  • Know the rules where you'll be. Carry rules differ on federal land, in parks and on private land — see our Alaska gun laws guide.
  • If you do have to shoot. In Alaska, a bear killed in defense of life or property must be reported to the Alaska Department of Fish and Game, and the hide and skull salvaged and surrendered. Check the current ADF&G rules.

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