Hera USA Front Grip, Fits Picatinny, OD Green 11.09.06 Hera USA's CQR Front Grip was designed along with their CQR Buttstock to create one of the most rigid and compact Rifle Systems based on the widely available AR-15 Platform. The CQR Front grip is an easy to install forward grip for Picatinny handguards. It is constructed of fiberglass-reinforced polymer for strength and durability" and incorporates a pair of QD sling swivel sockets at its front end.