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Family Owned and Operated Ammo Sales, Stillwater OK

Orders placed at this time are estimated to take 1 to 2 business days to be shipped out of our warehouse, then normal UPS ground transit times from our warehouse in Oklahoma to you. FREE SHIPPING on any order with a subtotal of $200 or more.

338 Win Mag Ammo

Shop .338 Winchester Magnum Ammo – Big-Game Rifle Cartridges In Stock Now

Discover .338 Winchester Magnum ammunition at SGAmmo, your trusted source for high-quality big-game rifle cartridges at warehouse-direct pricing. This caliber is favored by hunters and shooting enthusiasts who seek a balance of power, accuracy, and versatility in their rifle rounds.

Introduced in 1958 by Winchester Repeating Arms, the .338 Winchester Magnum was designed to offer a powerful yet manageable option for hunting large North American game. Its belted, bottlenecked design allows for efficient feeding and reliable performance across various rifle platforms. With a bullet diameter of .338 inches, it provides a significant increase in frontal area compared to smaller calibers, enhancing its effectiveness on big-game species.

All ammunition listed here is in stock and ready to ship—no drop shipping, no backorders. SGAmmo offers fast processing, secure packaging, and competitive pricing to help you stock up with confidence. Whether you're preparing for a hunting trip, spending a day at the range, or adding to your long-term ammo reserves, shop now to get great deals on .338 Winchester Magnum ammo delivered right to your door!

Image Name Qty. In Stock Price

20 Round Box - 338 Winchester Magnum 225 Grain CX Hornady Outfitter Ammo - 823394

SKU: 823394 - Box
200+ $54.95 Each 10+ @$48.95 ($2.75 Per Round)

20 Round Box - 338 Winchester Magnum 225 Grain CX Hornady Outfitter Ammo - 823394

SKU: 823394 - Box
200+ In Stock
$54.95 Each 10+ @$48.95 ($2.75 Per Round)