Brand New Surefire 660 Tactical Light

NIB Surefire 660 Tactical Light $100
Comes with a standard weaver mount and a M14 barrel mount. Here is the factory information:
SureFire 660 Classic Barrel-Mounted Modular Weapons Light Systems

Model 660 Tactical Light
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 our 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.

FITS: Rifles or carbines with barrel or gas tube from .5" to .9" in diameter.
Features
•Tactical-level output with compact reflector for interior and close-range applications
•Switches—Momentary-on tape (7" cable), momentary/constant-on pushbutton
•Mounting system—Tube clamp for barrels or gas tubes from .5" to .9" in diameter
•Construction—High-strength aerospace aluminum with Mil-Spec anodizing; impact-resistant polymer; coated tempered window
•Weatherproof—O-ring and gasket sealed
•Includes high-energy 123A batteries with 10-year shelf life
$100 cash