This Bushmaster XM-15 QRC ORC is a semi-automatic rifle chambered in 223 Rem5.56 NATO. A 16 Melonite treated barrel is equipped with an A2 birdcage-type flash hider while users can attach their choice of optics to an integral picatinny rail on the flattop receiver. An excellent home defense rifle further customization of the XM-15 QRC ORC is available via a Magpul ACR stock and sling loops. Two 30-round magazines are included in this package.