Nightstick SFL-11WL, Nightstick FlashLight, Fits Mossberg 500/590/Shockwave, Black, Includes 2 CR213A SFL-11WL The SFL-11WL shotgun forend weapon light is a complete forend replacement for your 12 gauge Mossberg 500/590/590A1 or Shockwave pump-action shotgun. Built from a one-piece body of heavy-duty glass-filled nylon with an over-molded rubber grip area" it features a super-bright LED rated at 1200 lumens with an hour and a half runtime. Designed around a high-efficiency deep parabolic reflector" the tightly focused beam has a 203-meter beam distance