m5/ar308 Upgrade individual components, or get everything you need for a complete large caliber M5 / AR308 build. Our DNA of precision and reliability are exemplified with these premium parts.

Our M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. SHOP NOW

Shop M5 .308 Receiver Sets featuring a matching M5 Upper Receiver and M5 Lower Receiver.

Shop Aero Precision's selection of Stripped & Complete Upper Receivers for your M5 .308 AR style rifle build.

Shop M5 .308 Complete Upper Receivers featuring an installed barrel, gas block and gas tube. The perfect starting point for your 7.62/.308 or 6.5 Creedmoor build.

Shop for M5 308 Bolt Carrier Groups at Aero Precision. Our BCGs are HPT/MPI and are the perfect firing mechanize for your next large caliber AR build.

Our M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. Our enhanced complete lower receiver includes the Magpul MOE Grip and STR Stock. Save when you buy it complete and let our specialist do the installation for you!

Our M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface. Don't forget to buy an Aero Precision M5 (.308) Lower Parts Kit .

Shop AR 308 Barrels at Aero Precision. High quality American made parts with free shipping over $99.

Shop premium quality M5 AR308 pattern .308 Winchester & 6.5 Creedmoor chambered barrels from Aero Precision.