Hornady Black 300 AAC Blackout 208gr A-Max Rifle Ammo - 20 Rounds - Hornady Black ammunition features versatile loads optimized for excellent performance from America's favorite guns. Hornady Black ammunition delivers superior performance for a variety of applications such as direct impingement, gas piston, suppressed, unsuppressed, inertia, bolt, pump, supersonic, subsonic, rifle, mid-length, carbine or pistol. Optimized Performance From Various Platforms Versatile Hornady Bullet Options Made In The USA