Ruger AR-556 Autoloading Rifle

Rapid Deploy folding rear sight provides windage adjustability, and pairs with the elevation adjustable front sight. Rear sight can be folded out of the way to make room for optics, but can be instantly redeployed. Features fixed A2 stock with MonsterMan Grip. Made from aerospace-grade 7075-T6 aluminum forging, the flattop upper receiver includes a forward assist, dust cover and brass deflector, and is Type III hard coat anodized. Bolt is machined from 9310 alloy steel and is shot peened and pressure (proof) tested. Front sight post is elevation adjustable, and a front sight tool is included. The A2-style F-height allows co-witness with many optics. Barrel Nut and Delta Ring are designed for one person handguard removal and installation; accepts most standard carbine length handguards. Milled gas block is located at a carbine-length (M4) position for improved balance and handling. Multiple attachment points include a QD socket and bayonet lug. Serrations on the angled face of the gas block provide a low-glare surface. Cold hammer-forged 4140 chrome-moly steel barrel with 1:8 inch twist rate and threaded at 1/2-28 tpi. M4 feed ramps. Matte black oxide finish reduces glare and provides corrosion resistance. Chrome-plated bolt carrier and gas key. Gas key is staked so that it will not loosen after extensive firing. Single-stage trigger; enlarged trigger guard. Handguards are made from heat-resistant glass-filled nylon. Includes one 10-round metal magazine.