Remington Advarm 300 Express Rifle Ammunition is designed to launch 30 caliber bullets from AR-style platforms, the 300 AAC Blackout (300 BLK) subsonic rifle ammunition Open-Tip Match (OTM) bullets shoot better than a 9mm MP5 round in penetration and accuracy. The brass features a standard 5.56mm taper which minimizes strain on the bolt's weaknesses.
Attention: You must be 18 to purchase shotgun ammo, or 21 for rifle and pistol ammunition. Ammunition must ship UPS ground. For safety reasons, we cannot accept returns on ammo. Make sure you use the correct ammunition in your gun. Check your local laws before ordering