SureFire 660, Incandescent Classic Universal WeaponLight with Maximum Output 65 Lumens, Barrel Mount

The SureFire 660 attaches to virtually any rifle/carbine barrel or gas tube, providing a brilliant white light when other SureFire WeaponLights will not fit your rifle or carbine or don't suit your needs. 1.25" reflector is ideal for close- to medium-range applications. Includes all mounting hardware and SureFire xM tailcap, which features a click-on pushbutton switch and a momentary-on tape switch (7" cable) that can be mounted to your weapon with a self-stick Velcro backing.