Bushmaster QRC Quick Response Carbine Semiautomatic Tactical Rifle is prepared for the range right out of the box. Features a 16" Superlight contour chrome-moly barrel with Melonite™ treatment for longevity and ease of cleaning. Hard-coat anodized receiver with protective coating is corrosion-resistant and stands up to the wear and tear of high-volume shooting with ease. Polymer M4 six-position collapsible stock adjusts to fit you perfectly.