Features an 18" PROOF Research carbon fiber wrapped barrel that is both attractive and significantly lighter than standard barrels, while still offering excellent accuracy and repeatability. Features a rifle-length gas system paired with chambering in ...

The Ruger AR-556 is chambered in 5.56 NATO with M4 feed ramps provide improved operational reliability. The cold hammer-forged barrel has ultra-precise rifling for exceptional accuracy, longevity, and easy cleaning. Its upper receiver is forged from...