Archangel Opfor AK-Series Pistol Grip – AA121 Archangel Opfor AK-series pistol-grip is designed to fit all AK’s. Ergonomically designed for comfort and superior weapon retention it is molded from a proprietary carbon-fiber filled polymer with molded-in front-strap and back-strap grooving for positive control. A secure grip-storage compartment allows the convenient storage of small items.