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Home/Calibers/.338 Win Mag

.338 Winchester Magnum

The .338 Win Mag is the North's serious-game standard - 225-250 grain bullets with the mass and momentum Alaskan guides trust for moose and brown bear.

.338 Win Mag
Class
Heavy magnum
Best for
Moose, brown bear, elk
Practical range
~400 yd
Recoil
Very heavy

In Alaskan guide culture the .338 Winchester Magnum is simply 'the rifle' - the 1958 medium-bore magnum whose 225-250 grain bullets carry the momentum brown bears respect and moose quarters prove. It gives up trajectory bragging rights to the .30s and repays in penetration and frontal mass where animals weigh half a ton and sometimes disagree with you.

What it is

The mainstream .33-caliber magnum: 200-250gr bullets at 2,650-2,950 fps - North America's bridge between .30 mags and true heavy rifles.

What it hunts best

Moose, brown/grizzly bear, big-bodied elk in dark timber; a classic Alaska/Yukon one-rifle answer. Plains-game heavy hitter abroad.

Trajectory & energy

225gr at 2,800 zeroed at 200: ~8" at 300 - flatter than its reputation. ~3,900 ft-lb muzzle; the .338's real gift is retained momentum and deep premium-bullet penetration.

Recoil & shootability

~35-40 ft-lb - seriously stout; this cartridge sorts shooters honestly. Stock fit, weight and practice aren't optional accessories.

Rifles & ammo on the shelf

All major makers; ammo premium-priced but reliably stocked, especially across the North.

Bottom line

If your hunts involve animals that can hunt back, the .338's marginal-recoil-for-marginal-insurance math starts making sense. For elk-and-down, the .30s do it with less bruise.

Caliber legality varies: many states set minimum calibers, straight-wall rules, or season-specific restrictions for big game, and they change. Always confirm the current regulations for your state, species and season with the official wildlife agency - this page is general guidance, not legal advice. Ballistics figures are typical factory-load approximations; your rifle and load will differ - verify at the range.

Range-day gear, whatever the cartridge

A cartridge only performs as well as the zero and the practice behind it. These are the tools for that part.

Hunting ammunition Factory loads by the box from a US online ammunition store - state and local laws on buying ammunition apply. Shop at Ammunition Depot

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