Gas Block Railed w/Bayonet Lug YHM

This gas block replaces your existing front sight and allows the user to mount accessories to its top picatinny rail while retaining the bayonet lug and sling mount. It is mounted by the use of four socket head cap screws for easy installation.This gas block allows the mounting of forearms without the removal of your muzzle accessory. Made from high quality steel and finished with a Mil. Spec. phosphate coating.