This is the vertical grip with strobe flashlight and red laser from NCSTAR and is compatible with Weaver/Picatinny type rails. Its textured ergonomic grip is made with lightweight glass reinforced nylon and the upper is hard anodized aluminum for rock solid mounting. Features: Black finish Fully adjustable (windage and elevation) red laser Powered by (2) each 3 V lithium batteries (CR123A) included