Benelli M4 shotgun Model # 11707.  18.5" barrel.  Upgraded with Freedom Fighter Tactical full length magazine tube, FFT aluminum follower, and wolf premium high power magazine spring.  Also has the Mesa Tactical urbino stock.  The original stock, magazine tube and spring, box, and owners manual are included.  Seven 1 five(not interested)4 five 1(in trades)three 9 one seven.