SAA Billet 5.56 16" M4 1:8 CL Carbine Length FF Tube A2 Complete Upper Receiver - Chrome Lined Barrel

Product Description SAA - M4 16" 1:8 Complete AR-15 Billet Upper Receiver Assembly with Free Floated Handguard - 5.56 NATO, Chrome Lined, A2 Muzzle Break The Surplus Ammo & Arms, SAA M-4 16" complete AR-15 upper Receiver offers unparalleled quality & accuracy with it's enhanced features that come standard. These upper receivers are built to mil-spec & are ready to mount to any mil-spec AR-15 lower receiver. SAA takes pride in the precision craftmanship & quality components that complete these upper receivers. Fully assembled.  Upper Receiver Features: Caliber: 5.56mm NATO Bolt & Carrier Group: SAA Phosphate Carrier, Phosphate Bolt Upper Receiver: SAA Billet Black Anodized Gas Block: Standard Height Single Railed Gas Block Front Sight: None Barrel Length: 16"  Barrel Material: 4140 Chrome Moly Barrel Finish: Matte Black, Chrome Lined Barrel Profile: M4 Standard profile .750" Diameter Twist Rate: 1:8 Flash Hider: A2 Muzzle Break Handguard: SAA Free Floating Tubular, Carbine Length Additional Info: M4 Style Feed Ramps, Complete with Charging Handle. *All uppers have been head spaced and test fired for safety and to insure proper function. NOTE: Complete AR-15 Upper receivers CANNOT be purchased with any complete (with lpk & stock installed) AR-15 lower receivers. Orders placed with both types of products will be amended.