Product DescriptionThe Aero Precision M5 .308 Stripped Lower Receiver is built for shooters assembling a big-bore AR platform from the ground up. Precision machined from 7075-T6 aluminum and finished in a durable black hard coat anodizing, this lower receiver is designed with mil-spec dimensions to promote reliable fit and correct component interface. It features a threaded rear takedown pin detent hole for a 4-40 set screw, a threaded bolt catch pin setup that eliminates the need for a roll pin, and selector markings compatible with 45, 60, or 90 degree standard safety selectors. An integrated trigger guard and nylon-tipped tensioning set screw further enhance fit, function, and user convenience. Compatible with standard DPMS .308 components and magazines, this stripped lower receiver is an excellent foundation for a custom AR-10 style build.Product Highlights Machined from strong 7075-T6 aluminum with a black hard coat anodized finish for durability and corrosion resistance. Built with mil-spec dimensions to support proper fit and reliable interface with compatible AR-10 and DPMS .308 components. Threaded rear takedown pin detent hole and threaded bolt catch design simplify installation and maintenance. Integrated trigger guard and nylon-tipped tensioning set screw help improve comfort and fine-tune upper-to-lower fit. Selector markings accommodate 45, 60, or 90 degree safety selectors and the design minimizes grip gap with aftermarket pistol grips. Specs Brand: Aero Precision Model: M5 Product Type: Stripped Lower Receiver Platform: AR-10 style / DPMS .308 compatible Caliber: Multi-Caliber Material: 7075-T6 Aluminum Finish: Black Hard Coat Anodized Weight: 12 oz Integrated Trigger Guard: Yes Compatibility: Standard DPMS .308 components and magazines Included: Nylon-tipped tensioning set screw Selector Markings: Compatible with 45, 60, or 90 degree standard safety selectors UPC: 815421020410 MPN: APAR308003C Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&';s manufacturer.