This NEW forward Mount for the Mac-10 & MPA .45 acp has three short rails to add any components you want. You can add a lower grip, a laser on the sides, a flashlight or other components. You can also add grip covers to all three rails to give it a soft tactical grip. Our new mount fits over the barrel and has a thickness equal to the exterior base of the barrel allowing all the barrel threads to be used for a suppressor, muzzle brake, flash hider, our Blackout Barrel Extension. The mount is held around the barrel by 3 set screws and allows access to the receiver pins. Finished in jet black anodize. Includes mount, allen wrench, and three polymer rails. (gun, grip & other parts sold separately)