This tactical gun vertical grip with 2 Picatinny rails on the sides gives you the ultimate in customization to add a laser sight or compact flashlight to an AR rifle or shotgun. This vertical 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. It slides onto Picatinny rails and locks with an indexing peg. It is made from a tough black polymer.