Ruger AR-556 5.56mm, with one 30 round magazine

The Ruger AR-556 5.56mm, is Ruger’s M4 Style, direct impingement rifle.

Features:

• Comes with the Ruger Rapid Deploy folding rear sight.
• Six-position telescoping M4-style buttstock and Mil-Spec buffer tube allow the rifle to be properly sized for different shooters.
• 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 for maximum durability.
• Bolt is machined from 9310 alloy steel and is shot peened and pressure (proof) tested to ensure strength, structural integrity and durability.
• Front sight post is elevation adjustable, and a front sight tool is included. The A2-style F-height allows co-witness with many optics.
• Milled gas block is located at a carbine-length position for improved balance and handling. Multiple attachment points include a QD socket and bayonet lug, for many sling and accessory mounting options. Serrations on the angled face of the gas block provide a low-glare surface.
• Medium contour cold hammer-forged barrel, 1:8  twist rate, 5.56 chamber allows you to use either 5.56 or .223 ammunition.  M4 feed ramps, 1/2×28 threaded barrel with flash suppressor
• Includes: One, 30-round Magpul PMAG.