AERO PRECISION M4E1 Threaded Assembled Receiver SET BLK

This M4E1 receiver set features our stripped lower receiver with a integrated trigger guard and our assembled upper receiver with an enhanced forging. INCLUDES: M4E1 Lower Receiver in Anodized Black M4E1 Threaded Assembled Upper Receiver in Anodized Black M4E1 LOWER RECEIVER FEATURES: Threaded Bolt Catch Roll Pin - Allows for simple installation of the bolt catch and virtually eliminates the chance to damage the finish during installation (pin included). Integrated Trigger Guard - Eliminates the possibility of breaking the trigger guard tabs by integrating the trigger guard into the lower, creating a stronger more rigid platform to build upon. Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver using a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. This provides a tight fit with any standard AR15 upper receiver. Threaded Takedown Pin Detent Recess - Allows user to easily install the Takedown Pin detent and spring with the use of a 4-40 set screw (no more launching detents across the room). Increased Magwell Flare - Increased the flare of the magwell to aid in quick and efficient magazine changes. M4E1 THREADED UPPER RECEIVER FEATURES: New enhanced forging that gives the upper receiver a "billet look" New picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards M4 Feedramps .250 takedown pin holes Laser engraved T-marks Information: Barrel Nut Torque - 50 ft-lbs Compatible accessories, see under this article, accessories Made In America? Yes FFL SOT Shipping Required No Platform AR15 Material Machined from 7075-T6 forged aluminum Select Your Finish Anodized Black Compatibility Works with standard AR15/M16 components Weight(s) 17.8 oz MADE IN THE USA