SKU 507819 Brand Palmetto State Armory Model Number 507819 UPC 507819 DETAILS Manufacturer: Palmetto State Armory Product Line: Classic Platform: AR-15 Gas System: Carbine Barrel Length: 16" Caliber: 5.56/.223 Furniture: Classic Finish: Black FEATURES PSA 16" carbine length 5.56 NATO 1:7 M4 nitride Freedom upper, no BCG or CH Includes: 16" Barrel Length Melonite Finish 5.56 Nato Chamber 1 in 7" twist rate Carbine Gas System M4 Feed ramps F-Marked Front sight post A2 Flash Hider Sling Loop Standard Hand Guards w/ heat shields Forged Upper Receiver