Nightstick SFL-11GL, Nightstick Flashlight/Laser Combo, Green Laser, Fits Mossberg 500/590/Shockwave, Black, Includes 2 CR123A SFL-11GL The SFL-11GL shotgun forend weapon light with green laser 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.