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!