The Bushmaster™ QRC™, Quick Response Carbine™, is dependable, versatile, and Proven­™. High Quality, Optics Ready & Dependable. Tested to perfection, Built to perfection, and ready for use.   This is a California Compliant Model Specifications: - Caliber 5.56 NATO (.223 REM) -16" Barrel with a 1:8 Twist Rate - Overall length: 32.5 - 36"  - C.A.R Style Handgaurd  - Salt Bath Nitride MPI Bolt Carrier Group - A2 Birdcage Flash Hider 1/2 x 28    Features:  - Equipped with a DFM® Magazine -Trigger assembly is mil-spec -The gas system is carbine length -6 Position collapsible stock for ease of adjustment and precise fit -7075 Forged A4 Flat top, Optics Ready  - Salt Bath Nitrate Barrel   Proudly Made In U.S.A.