The SureFire 621LMG replaces the original forend of your Mossberg 500 shotgun with 14" barrel or 6.75" forend tube. Extremely compact one 3 volt battery system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant beam optimized for close to medium range applications. Three switches are integrated into the forend: a momentary on pressure pad switch on the right side, a system disable rocker switch also on the right side and a constant on rocker switch on the left side.

Fits:
Mossberg 500 with 14" barrel or 6.75" forend tube.

Specifications and Features:
100 lumens
Tactical runtime: 1.4 hours
Bezel diameter: 1"
1.1 lbs
1 123A batter included