Aero Precision M5 .308 Upper/Lower Receiver Set (AR-10)

Our M5 .308 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 DPMS 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
    Completed Upper less Bolt