Aero Precision M5 AR-308 Stripped Lower Receiver FDE

Aero Precision M5 AR-308 Stripped Lower Receiver

Build your big-bore AR platform with confidence using Aero Precision's M5 stripped lower receiver. This precision-machined component serves as the foundation for a reliable, accurate .308 rifle system.

Key Features

• Upper Tension Screw: Fine-tune the fit between upper and lower receiver using a nylon-tipped tensioning set screw in the grip tang
• Threaded Rear Takedown Pin Detent: Accepts a 4-40 set screw for secure assembly
• Threaded Bolt Catch: Designed for screw pin installation—no roll pin required
• Integrated Trigger Guard: Eliminates the need for a separate component
• Selector Compatibility: Works with 45, 60, or 90-degree safety selectors, including Battle Arms Development short throw models
• Aftermarket Grip Compatible: Designed to work seamlessly with standard pistol grips without gaps

Specifications

• Material: 7075-T6 forged aluminum, machined to precision tolerances
• Finish: Flat Dark Earth Cerakote
• Platform: M5 (AR-308)
• Markings: "Cal Multi"
• Weight: 12 oz
• Compatibility: Standard DPMS AR-308 components and magazines
• Made in America: Yes

What You Need to Complete Your Build

This is a stripped lower receiver and requires a lower parts kit, buffer tube, stock, and charging handle to function. It does not include a trigger group or fire control components.

Why Choose This Lower

Aero Precision's attention to detail—from the threaded detent hole to the upper tension screw—ensures your finished rifle will have the tight tolerances and reliability serious shooters demand. The M5 platform is purpose-built for .308 Winchester and compatible cartridges.