This is an AR-15 rear Mil Spec/Commercial Buffer Tube stock mount for your M-11. Use this mount to add on your favorite rear stock or check out our selection for your application. This bracket offers the perfect solution to replace the stock wire assemblies. Includes adapter, threaded, steel internal block and bolt, Allen wrench for the bolt and 1 for the AR set screw on top (adapter only, gun & other components sold separately) This part number does NOT fit Cobray semi auto or Master Piece Arms. Allen wrench included.**NEW FLAT/MATTE BLACK FINISH.