ATI Outdoors Forend Pistol Grip, Fits Picatinny, Black FPG0100 The Advanced Technology Int. Forend Pistol Grip fits a standard Picatinny Rail. It is a three-position textured grip with an ergonomic design that gives you extra support and stability when shooting. It installs onto a standard Picatinny Rail (not included). Manufactured in the USA.