Ask the Community

Only 5.56 or 223. 300 blackout is larger diameter and if chambered and fired would blow the gun up.

It does shoot 2 bullets, but 300bo is not one of them. It shoots 556 and 223.

Calvin - this is for 5.56 / .223 ammo only. It would need a completely new barrel to fire 300 BO, which is a '30 caliber' bullet that won't fire through the .223 caliber barrel. Please don;t even attempt to use 300 BO in this gun.

Calvin, 5.56/223 only which are both 22 Caliber bullets. You would need a dedicated 30 Cal 300Blk Barrel to fire 300BLK safely.

It only shoots 5.56. If you want it to shoot .300 blackout, then you'll need a gunsmith to replace the barrel. The bolt carrier group would probably be fine. As is, the rifle won't chamber a .300 blackout.