The Shotgun Forend Light is a complete forend replacement for your 12 gauge Mossberg 500/590/590A1 or Shockwave pump-action shotgun. It features a bright LED with an hour and a half runtime, a tightly focused beam has a 203-meter beam distance and an ergonomic palm swell design to improve grip during light activation and weapon manipulation under stress. Includes action tube nut wrench, nylon hand strap with mounting hardware and Allen wrench, optional action tube spacer, battery carrier, two CR123 batteries and Instruction manual. Comes with two CR123 batteries, but can be upgraded to Li-Ion rechargeable with optional 18650-KIT.