That Right Jeremy but this is a custom Carbine length Rifle Barrell that i am using with a Pistol Grip (Get It LOL) Carry the order form with me in the field for the offical folks a Carbine Barrell is any Barrell from 16 to 20 in just happen to be holdn mine in my hand. Barrell about $440.oo from MGM. Mine is 16.25 in just to make it a bit longer than minimum