CMMG Carbine-Length Receiver Extension and M4 Stock Kit Fits MK3, Black

CMMG Inc Receiver Extension and Stock Kit Carbine MK3. 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 fitting/fit behind a .308 WIN barrel. NOTE: Magazine extensions will NOT fit .308 WIN barrels. Check manufacturer recommendations to ensure a proper fit. Specifications for CMMG Inc MK3 Receiver Extension and Stock Kit: Manufacturer: CMMG Fabric/Material: Aluminum Polymer Additional Features: LR-308 Buffer Tube Length: 15 in Condition: New Weight: 2 lb Package Contents: CMMG Inc 308 WIN Receiver Extension and Stock Kit CMMG Inc 38CA953: Receiver Extension and Stock Kit Carbine Mk3