The M5 .308 Stripped Lower Receiver from Aero Precision is the ultimate foundation for building a high-performance big-bore AR platform. Engineered with Mil-spec dimensions and a durable anodized black coating, this stripped lower receiver is designed to ensure the perfect fit and correct component interface for a custom AR build. Whether you’re crafting a precision .308 rifle for tactical use, hunting, or long-range shooting, the M5 Lower Receiver provides a solid base for your AR-10 style rifle.
Compatibility with Standard DPMS .308 Components – The M5 lower receiver is fully compatible with standard DPMS .308 parts and magazines, allowing for a versatile and easy build process.
Upper Tension Screw – Fine-tune the fit of the upper and lower receivers with an integrated nylon-tipped tensioning set screw placed in the grip tang of the lower receiver. This feature ensures a tighter fit, eliminating any play between the upper and lower.
Threaded Rear Takedown Pin Detent Hole – Allows for the use of a 4-40 set screw to secure the rear takedown pin, providing a secure and stabilized lower receiver connection.
Bolt Catch Compatibility – The bolt catch is threaded for a screw pin, eliminating the need for a roll pin, ensuring easier assembly and a more secure fit.
Integrated Trigger Guard – A built-in trigger guard eliminates the need for additional parts and contributes to the clean, seamless appearance of the lower receiver.
Selector Markings – The receiver features selector markings that are compatible with 45°, 60°, or 90° safety selectors, offering flexibility for your build. It also accepts Battle Arms Development short throw safety selectors while being compatible with any standard selector.
Pistol Grip Compatibility – The design of the receiver eliminates any gap when installing aftermarket pistol grips, ensuring a more ergonomic and clean build.