DEMO Aero Precision M4E1 Enhanced Upper Receiver 5.56 NATO

DEMO Aero Precision M4E1 Enhanced Upper Receiver 5.56 NATO. 56 NATO - The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. It is machined from 7075-T6 aluminum with M4 feedramps .250 takedown pin holes and supports barrels with a diameter up to 1". Included is a barrel nut and wrench port door and forward assist. This model has a black hardcoat anodized finish. NOTE: This upper is not piston-kit compatible. Specifications for Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO: Mfg Item Num: APAR600201AC Supplier SKU: 100541 Category: UPPERS Receiver Finish: Black Hard Coat Anodized Type: Complete Gas Impingement Caliber: 223 Remington/5.56 NATO Sights: None Optic Ready Receiver Description: 7075-T6 Aluminum Package Contents: Aero Precision M4E1 5.56 NATO Enhanced Upper Receiver The Aero Precision APAR600201AC M4E1 Enhanced Upper Receiver 223 Remington/5.56 NATO is a quality addition to the Aero Precision lineup. For more great deals on AR15 Upper Receivers by Aero Precision please browse our Aero Precision Gun Parts page.