For only $70 add LPK & Stock Kit only $70. The Surplus Ammo & Arms 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. We take 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 Mil-spec
Upper Receiver: Aero Precision
Upper Receiver Material: Forged 7075T6 A3 Flattop with T-Markings & American Flag
Gas Block: Standard Height Single Piccatinny Railed
Front Sight: None
Barrel Length: 16" by Black Hole Weaponry
Barrel Material: 416 Stainless Steel
Barrel Finish: Matte Blackend Stainless Steel
Barrel Profile: M4 Standard profile .750" Diameter
Twist Rate: 1:8 Twist; Polygonal Rifled
Flash Hider: Standard A2
Handguard: Magpul M.O.E.- Carbine Length, Black
Additional Info: Aluminum Delta Ring Assembly, M4 Style Feed Ramps, Complete with charging handle.
*All of there uppers have been head spaced and test fired for safety, and to insure proper function.