Forward Mount for the M-11 Semi Auto or SMG pistol. It 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. Our new mount fits over the barrel and has a thickness equal to the exterior base lug 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 secured around the barrel lug by 3 set screws and allows access to the receiver pins. Machined aluminum with machined aluminum rails. Finished in jet black anodize. Rails are 1.75" long. Allen key included. May require modification on the left side to fit the SMG selector lever.