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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 ARC Ammo

Shop .338 ARC Ammo – Versatile AR-Compatible Precision In Stock Now

The .338 ARC (Advanced Rifle Cartridge)was specifically engineered for subsonic power, delivering impressive energy well beyond typical subsonic rounds like the .300 Blackout. Its design ensures consistent pressures and smooth cycling in both AR‑15-style rifles and micro‑bolt-action platforms. Loaded with Hornady’s 307‑grain Sub-X® bullet, this cartridge provides maximum downrange impact, accuracy, and controlled recoil, making it a top choice for shooters seeking stealthy, hard-hitting performance in a modern subsonic rifle round.

Every round listed is in stock and ready to ship—no drop shipping, no backorders. SGAmmo provides fast order processing, competitive pricing, and reliable service to help you stock up with confidence. Whether you're preparing for a hunting trip, enhancing your tactical capabilities, or engaging in precision shooting, shop now to secure great deals on .338 ARC ammunition delivered right to your door!

Image Name Qty. In Stock Price

20 Round Box - 338 ARC 307 Grain SUB-X Hornady Subsonic Ammo - 82272

SKU: 82272 - Box
200+ $33.95 Each 10+ @$31.95 ($1.70 Per Round)

200 Round Case - 338 ARC 307 Grain SUB-X Hornady Subsonic Ammo - 82272

SKU: 82272 - Case
15+ $319.50 Each FREE
SHIPPING
2+ @$309.50 ($1.60 Per Round)

20 Round Box - 338 ARC 307 Grain SUB-X Hornady Subsonic Ammo - 82272

SKU: 82272 - Box
200+ In Stock
$33.95 Each 10+ @$31.95 ($1.70 Per Round)

200 Round Case - 338 ARC 307 Grain SUB-X Hornady Subsonic Ammo - 82272

SKU: 82272 - Case
15+ In Stock
$319.50 Each
FREE SHIPPING
2+ @$309.50 ($1.60 Per Round)