AA123 Archangel OPFOR® AK-series 4-position adjustable butt-stock fits most stamped-receiver AK’s. The butt-stock includes a seven-position adjustable cheek-riser allowing an optimum sight picture with both iron and glass sights. The AA123 Archangel OPFOR® AK-series 4-position adjustable butt-stock fits most stamped-receiver AK’s. The butt-stock includes a seven-position adjustable cheek-riser allowing an optimum sight picture with both iron and glass sights. The receiver-extension, and the adjustable butt-stock, feature molded-in QD sling swivel inserts at four points, giving an operator multiple ambidextrous sling options. Molded from a proprietary carbon-fiber filled polymer, this butt-stock offers high strength plus a lifetime of excellent service. A slip-on recoil pad is included.