Aero Precision AR10 M5 Stripped Lower Receiver - Anodized Black

Aero Precision AR10 M5 Stripped Lower Receiver - Anodized Black

Ready to take your next large-frame AR build to the next level? The Aero Precision M5 .308 Stripped Lower Receiver is your foundation for precision, power, and customization. Machined to exacting mil-spec tolerances and coated with a sleek black anodized finish, this lower is specifically designed for .308 Winchester / 7.62 NATO builds and pairs seamlessly with standard AR 308 components and magazines.

From the integrated trigger guard and upper tension screw to the threaded bolt catch and selector markings compatible with 45°, 60°, or 90° safety selectors—this stripped lower was engineered with modern shooters in mind. Whether you're building a rugged duty rifle or a competition-ready platform, the M5 offers the reliability, compatibility, and attention to detail that Aero Precision is known for.

AR 308 Compatibility
Works with standard AR 308 magazines and components for seamless integration

Upper Tension Screw
Eliminates play between upper and lower receivers for tighter fit and improved accuracy

Threaded Rear Takedown Detent Hole
Accepts 4-40 set screw for easy pin retention during maintenance

Bolt Catch Threaded for Screw Pin
Eliminates the need for roll pins, simplifying installation

Integrated Trigger Guard
Enhances strength and avoids misaligned trigger guard issues

Selector Markings
Supports multiple safety configurations: 45°, 60°, and 90° positions

Wide Safety Selector Compatibility
Accepts Battle Arms Development short throw selectors and most standard options

Flush Grip Fitment
Designed to eliminate gaps with aftermarket pistol grips for a clean, professional look

Anodized Black Finish
Durable coating resists wear and corrosion for long-lasting protection

Specifications

• Caliber Compatibility: .308 Winchester / 7.62 NATO
• Material: Aluminum (Machined to Mil-Spec)
• Finish: Black Anodized
• Trigger Guard: Integrated
• Bolt Catch Pin Type: Threaded for Screw Pin (no roll pin)
• Rear Takedown Detent Hole: Threaded (4-40 set screw compatible)
• Safety Selector Compatibility: Works with 45°, 60°, and 90° selectors
• Grip Fit: No gap with aftermarket pistol grips
• Upper Fitment: Includes upper tension screw for optimal mating