The UTG super slim vertical foregrip is ergonomic ambidextrous lightweight aluminum metal and the best vertical foregrip for your Picatinny rail. The vertical foregrip features a low profile Mil-STD-1913 Picatinny base with squared recoil stop lug and guided locking plate to attach to any Picatinny rail. The UTG vertical foregrip is CNC machined from lightweight aircraft grade aluminum with a durable matte black finish. Grip has dehorned corners and melted contours with a slim ergonomic profile.