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 finishFully adjustable (windage & elevation) red laserPowered by 2 each 3 Volt Lithium Batteries (CR123A) included