The Samson Manufacturing Vertical Foregrip is constructed from high-quality precision-machined 6061-T6 aluminum and built to withstand the rigors of intense use in demanding shooting applications.Samson Manufacturing Vertical ForegripMaterial: 6061-T6 aluminum constructionFinish: Black MIL-A 8625 Type III Class 2 anodizingCompatible with 1913 Picatinny Rail systems3.50" overall sizeMade in Keene New Hampshire USARenowned in the shooting world for exceptional quality and durability this vertical grip provides enhanced control and stability for tactical and sporting rifle applications.