CMMG MK3 Receiver Extension and Stock Kit

Designed to work in either direction, this receiver extension and A3 pistol grip stock kit will convert any .308 WIN platform firearm to a proper MK3 platform firearm. The receiver extension features two QD flush cups on either side for mounting the included A3 pistol grip and AR-15 style buttstock. The buttstock is constructed of an injected-molded, high-strength polymer for durability, and features a full-length, adjustable cheek-piece and polymer extension stubby tube for customizing the look of your MK3 even more. This receiver extension and stock kit will work on any 308 WIN platform firearm but may require slight fitment behind a .308 WIN barrel. NOTE: Magazine extensions will NOT fit .308 WIN barrels. Check manufacturer recommendations to ensure a proper fit.

Package Contents:

• CMMG MK3 Receiver Extension and Stock Kit
• 6-position M4 Buttstock
• CMMG 6-position mil-spec Receiver Extension (Buffer Tube)
• Buffer Tube Castle Nut
• Receiver Endplate
• .308 Carbine Buffer
• .308 Carbine Action Spring