Aero Precision AR-10 M5 Builder Set with Lower Receiver, Upper Receiver, & Handguard - Custom Finish

The much-anticipated Aero Precision M5 Builder Sets are here! These unique finishes are available one time only and in limited quantities, so get one while you can! Upper Receiver: The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big bore build. Features: M4 Feedramps .2795 takedown pin holes Laser engraved T-marks DPMS High Profile (.210) Tang Includes port door and forward assist Lower Receiver: The M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. Features: Works with standard AR 308 components and magazines Upper Tension Screw - Allows users to fine tune the fit of the upper and lower receiver through the use of a nylon tipped tensioning set screw inserted in the grip tang of the lower receiver. Rear takedown pin detent hole is threaded for a 4-40 set screw Bolt catch is threaded for a screw pin (no roll pin needed) Integrated trigger guard Selector markings will work with 45, 60 or 90 degree safety selectors Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector No gap with aftermarket pistol grips Includes: Stripped M5 (.308) Lower Receiver in Anodized Black Nylon tipped tensioning set screw Free Float Handguard: Each Builder Set will ship with your choice of Aero Precision handguard. See our custom options above to choose a handguard that will best suit your next build.