This PJTGR aim sports tactical vertical grip with side rails give you the ultimate in customization to add laser sight or copmact flashlight. This Foregrip grip is cut for a pressure switch pad and supports additional accessories with two rail panels molded to the housing. Compatible with Weaver / Picatinny 1913 Rails. Slides on to Picatinny rails and locks with an indexing peg. Made from tough black polymer.