The ArchangelA(R) 6-position, M4-style adjustable buttstock that can be installed on all commercial-series buffer tubes. Featuring ambidextrous QD sling-swivel inserts at the front and rear of the buttstock, plus a slot for attaching a web-sling, the ArchangelA(R) adjustable butt-stock allows multiple configurations for the convenience of the user. Constructed of legendary high strength, carbon fiber and glass reinforced black polymer, with slip on recoil rubber recoil pad. Lifetime Warranty. Made in USA. Buttstock for the AR-15A(R) / AR-10A(R) 6 position M4 style adjustable buttstock Can be installed on all commercial series buffer tubes Ambidextrous Q Mfg: Pro Mag