Mesa Tactical Truckee, Handguard, 15 Long, M-LOK, Fits Benelli M4, Matte Finish, Black 96150 Meeting the urgent requirement for an easy way to mount weapon lights and other accessories on the Benelli M4 semi-automatic shotgun" the Truckee replacement forend provides industry standard M-LOK mounting points on sides and bottom. Machined from 6061 heat treated aluminum" the Truckee forend is sleek" rugged and lightweight. M-LOK slots accept Picatinny rail sections or specialized light mounts or vertical grips. Requires the removal of the Benelli M4 shotgun's factory front sling loop.