Aero Precision is a state of the art manufacturer which crafts superior parts, uppers, and complete rifles. Every component is engineered to razor thin tolerances within Mil-spec standards and is manufactured with the most advanced technologies available. Aero Precision pushes the boundaries of manufacturing with perfect engineering and clean machining by developing and evolving existing processes. When you need perfection and there is no margin of error, you need Aero Precision!
Specifications and Features : Aero Precision M4E1 AR-15 Lower Receiver APAR600002C
Stripped Lower Receiver
Multi-Caliber Marked
M4 Serial Number Designation
Works with Standard AR-15 Components/Magazines
Rear takedown pin detent hole is threaded for a 4-40 set screw