The Ruger AR-556, is an affordable M4 style self-loading rifle with the rugged construction and reliability we have come to expect from Ruger.
Extensively tested during development, made from high quality components, the frame is made from 7075 - T6 aluminum alloy, the cold forged barrel has a chrome-molybdenum finish. The rifle is chambered for 5.56 NATO caliber, enlarged stock and one 30-round Magpul® PMAG magazine. This model features a duralumin floating forearm with 9" long M-LOK mounting locks.