Streamlight Streamlight TLR-8 Sub, White LED with Red Laser, Fits Glock 43x/48 MOS, 500 Lumens, Anodized Finish, Black, Includes (1) CR123a Battery, Low and High Switches 69411 Ultra-lightweight & compact" the TLR-8 sub is a weapon-mounted tactical light with an integrated red laser. This light features the latest in LED technology for high-lumen operation and provides 1.5 hours of continuous run time from a single lithium battery. The specialized clamp system allows for mounting on the Glock 43X/48 MOS Rail.