Aero Precision Monolithic C.O.P. Upper Receiver Kit - Mid-Length

Aero Precision Monolithic C.O.P.(Continuous Optics Platform) AR15/M16 Upper Receiver Kit- Mid-Length. The COP M4 (Continuous Optics Platform) features a custom configured integrated upper receiver and hand guard system. This extremely rigid design allows for symmetrical or asymmetrical rail platforms to accommodate a multitude of optic requirements. The hand guard system allows for a free-floated barrel giving the operator superior performance and accuracy. This system uses any standard AR-15 barrel, not a proprietary barrel system. BARREL NUT and WRENCH are included with the kit. The receiver design also has a fully enclosed dust cover pin which can be removed with the barrel in place. Forward assist and dust cover already installed. Features: Compatible with Mil – STD AR15 components 7075-T6 forged aluminum construction MIL-A-Type 3 black hard-coat anodize with MIL-Spec dry lube on interior bearing surfaces Extremely rigid user configure rail system Free-Float Hand Guard Rail System AR-15 Standard Barrel Interface, only the barrel nut and wrench are changed (both included) Fully enclosed dust cover pin which can be removed with the barrel in place. Dedicated thumb perch for improved ergonomics when gripping the magwell with the weak hand All kit components made in the USA Specifications: Series - COP (Continuous Optics Platform) Model – M4 Mid length Weight (assembled stripped receiver) = 24.432 OZ Weight (barrel nut) = 1.36 OZ Kit Includes: COP M4 – 1ea 1913 Half Rail COP M4 – 1ea 1913 Half Rail with QD COP M4 – 1ea 1913 Rail COP M4 – 1ea 1913 Rail with QD COP M4 – 1ea 1913 Rail with QD 6-O’clock Position COP M4 – 1ea 1913 Half Rail 6-O’clock Position COP M4 – 2ea Flat Rail COP M4 – 1ea Flat Rail 6-O’clock Position COP M4 – 1ea Flat Rail with QD COP M4 – 2ea Quarter Panel T25 Torx Driver 13ea 8-32 x 3/8 Screws Barrel Nut Factory Installed Dust Cover and Fwd Assist A2 Iron Site Spacer Ring Aero Precision COP bag roll