Buy 338 Win Mag Ammo Online

When the game is big and tough, the .338 Winchester Magnum delivers the heavy
bullets and bone-crushing energy to get the job done. A favorite of elk, moose,
and bear hunters — and a go-to for Alaska and big-country pursuits — the .338 Win
Mag combines large-caliber stopping power with flat-enough trajectory for
real-world hunting ranges. At Trigger Ammo Store, we carry a deep selection of
.338 Winchester Magnum ammunition built for the largest North American game.

What Is the 338 Winchester Magnum?

Introduced by Winchester in 1958, the .338 Win Mag is a belted magnum firing
heavy .338-caliber bullets at high velocity. It was designed to bridge the gap
between standard big-game cartridges and the heavy dangerous-game rounds,
delivering the penetration and energy needed for the largest, toughest animals
while still being usable in a standard long-action rifle. Decades later it
remains one of the most respected big-game and large-bear cartridges in North
America, especially where serious stopping power matters.

What Is 338 Win Mag Good For?

• Elk & moose hunting: Heavy bullets and deep
  penetration make clean, ethical kills on the largest antlered game.
• Bear hunting & defense: A trusted choice for big bear,
  including brown bear and grizzly country, where authority and penetration are
  critical.
• Large & tough game: Anywhere you need more bullet
  weight and energy than standard big-game cartridges deliver.
• Big-country & Alaska hunting: Long a favorite for
  guides and hunters pursuing large game across open and remote terrain.

Types of 338 Win Mag Ammo We Carry

• Bonded & Controlled-Expansion: Tough bullets that hold
  together for deep penetration on big game.
• Polymer-Tip (ELD-X / AccuBond-style): High-BC bullets that
  combine flat trajectory with reliable expansion at distance.
• Soft Point: Classic, dependable big-game hunting loads.
• Premium / Monolithic: Barnes-style copper and bonded
  bullets for maximum weight retention and penetration.

Common 338 Win Mag Bullet Weights

The .338 Win Mag is loaded with heavy .338-caliber bullets. Lighter
180–200 grain loads offer flatter trajectory for deer-sized game
and longer shots. The classic 210–225 grain range is the
all-around big-game favorite, balancing trajectory and penetration. Heavy
250 grain bullets deliver the deepest penetration and the most
authority on the largest, toughest animals like moose and big bear.

Top 338 Win Mag Ammo Brands

We stock .338 Winchester Magnum ammunition from the manufacturers big-game
hunters trust, including Hornady, Federal, Nosler, Barnes, Winchester, and
Remington. From dependable soft points to premium bonded and polymer-tip hunting
loads, you’ll find proven ammunition for the largest North American game.

Bulk 338 Win Mag Ammo & Best Prices

Magnum big-game ammo isn’t cheap, so buying .338 Win Mag in quantity helps
lower your cost per round for load development, practice, and the hunt itself.
Browse our bulk and case listings for the best pricing, and watch our stock
alerts for popular hunting loads that sell quickly during season.

Recoil & Shooting Notes

The .338 Win Mag is a powerful cartridge with substantial recoil — a fair
trade for its big-game authority. A quality recoil pad, proper rifle fit, and a
muzzle brake (where desired) all help manage it. Because it kicks more than
standard cartridges, most hunters dedicate real range time to build confidence
and confirm zero with their chosen hunting load well before the season.

Fast, Reliable Shipping

Orders ship quickly with secure, age-verified delivery in compliance with
all applicable federal, state, and local laws. By placing an order you confirm
you are at least 18 years of age (21+ where required) and that it is legal for
you to purchase and receive rifle ammunition at your delivery address. Some
states and localities restrict ammunition shipments — please review your local
regulations before ordering.

Frequently Asked Questions

Is 338 Win Mag good for elk and moose?

Yes — it’s one of the most respected elk and moose cartridges, offering heavy
bullets, deep penetration, and the energy needed for clean kills on large game.

Is 338 Win Mag good for bear?

Yes — it’s a trusted big-bear cartridge, including for brown bear and grizzly
country, thanks to its heavy bullets and deep penetration. Hard-cast and bonded
loads are popular choices.

Do you sell 338 Win Mag ammo in bulk?

Yes — check our bulk and case listings for the best per-round pricing on
in-stock loads.