SUREFIRE M640U SCOUT PRO 1000LUMEN BLACKThe SureFire M640U Scout Pro in black offers impressive 1000 lumen output in a compact and versatile package. This high performance weapon light incorporates SureFire's new Low Profile Mount (LPM), enabling users to fine tune the light's position on various rail systems. The M640U features dual fuel capability, accepting either two CR123A batteries or a single 18650 rechargeable lithium ion battery. Its high output LED and proprietary TIR lens