Hi, 

My in new condition Surefire 6V Tactical Light, Thumbscrew Mount M49, Momentary-on tape switch + constant-on push button switch with 5" Cable M951XM05. 

Oldie but a goodie, the details are below;

SureFire M951 Millennium Universal WeaponLight System is six-volt shock-isolated system powered by two lithium batteries and providing 65 lumens for one-hour of runtime or 120 lumens for 20 minutes using an optional ultra-high output lamp assembly. Sure-Fire Millennium Universal Weapon Flashlight System M-951 attaches to Picatinny Rail interface-equipped shoulder-fired weapons via an included dual thumbscrew mount.

Specifications for Surefire M951 Millennium Universal Systems:

Lumen Output:		65 120(optional ultra high-output lamp)
Minutes Runtime:		60  20 (optional ultra high-output lamp)
Switch Assembly:		XM or UM
Bezel Diameter:		1.47 inches
Mount:		Thumbscrew
Batteries:		Two

Any questions or want any more pictures please let me know.

Price included tracked postage.

Thanks.