FM

Fm optics laser for rem 870 replaces magazine cap<

Tactical System: Shtogun
Mount: Internal (Fits Remington 870's Only)
On/Off Switches: Push Button
Finish: Black Matte

Other Features: Mounts to 1" rail, push button on/off switch, 3" in length, use in remington 12 ga 870's 38 lumens