Windham Weaponry's SRC (Sight Ready Carbine) features a chrome-lined 16" 4150 chrome moly vanadium steel barrel with M4 feed ramps. The 7075 T6 aircraft aluminum receiver sports a durable black hard-coat anodized finish. This flattop rifle features an aluminum trigger guard, M4 double heat-shield hand-guards, and a Picatinny rail gas block. This model is MA compliant (also compliant in NJ) with a fixed stock and 10-round magazine.