Ab arms pro aluminum free float handguard m-lok 13" blk
Other Features: 6061 t6 aluminum,hard coat anodized mil-aa8625 type iii class ii,1.5" overall width, 1.3" i.D.,integrated qd mount, 2" barrel nut anti rotation ears that are integral to mil-spec 1913 picatinny rail for clean fit w/forged or billet uppers,all hardware included