CMMG

Building an AR-10 rifle means that you need to choose quality parts that will stand up to the punishing recoil of the powerful .308 cartridge. CMMG's Mk3 complete lower receiver with an included M4 style buttstock is one of the best starting points on the market! CMMG uses LR308 takedown/pivot pins magazine catch bolt catch and .155 hammer/trigger pin holes to mate up with the standard LR-308 upper receivers on the market. The tough Billet 6061-T6 Aluminum Receivers are Type III Hard Anodized for corrosion resistance that lasts a lifetime. - Caliber: 308 Win - Action: Semi-Automatic - Barrel Length: 16 - Finish: Anodized - Material: Aluminum - CMMG AR-10 Mk3 Lower Receiver - Billet 6061-T6 Aluminum Receivers - Black - Type III Hard Anodized - Single Stage Mil-Spec Trigger - A2 Pistol Grip - Standard AR-15 Safety Selector - .308 Carbine Spring and .308 Carbine Buffer - Uses LR308 takedown/pivot pins magazine catch bolt catch and .155 hammer/trigger pin holes - Weight: 2.7 lbs