F.A.B. Defense T-FL 7 Position Vertically Folding Foregrip, Fits Picatinny Rails, Flat Dark Earth FX-TFLT The T-FL 7-Position Folding Vertical Foregrip quickly transforms from a horizontal grip into a vertical grip with the push of a button and provides enhanced versatility" grip and functionality. Attaches to any Picatinny rail interface.