CMMG A1 Rifle Stock and Receiver Extension Kit for Mk3 LR-308 Buffer System

Simple and dependable, the CMMG A1 Receiver Extension and Stock Kit provides a classic fixed-stock setup for a rifle-length Mk3/LR-308 buffer system. Built from high-strength polymers for durability without the need for a foam-filled core, this kit includes the A1 rifle-length buttstock with a rear storage compartment and sling mount, along with the essential buffer system components needed to complete your lower receiver group (when paired with your chosen lower parts kit).

Product Highlights:

• Complete A1 fixed-stock kit designed for Mk3/LR-308 rifle-length buffer systems
• High-strength polymer buttstock construction for long-term durability
• Integrated rear storage compartment and sling mount for practical carry and storage
• Includes receiver extension (buffer tube), .308 rifle buffer, and .308 rifle action spring
• Ideal upgrade or replacement stock kit for .308 AR-style rifle builds using Mk3 platform components

Specs:

Brand: CMMG Product Type: Receiver extension and fixed stock kit Stock Style: A1 rifle-length fixed buttstock Color: Black Platform Compatibility: Mk3 / LR-308 Buffer System Length: Rifle length Included Components: A1 rifle-length buttstock; A1 receiver extension (buffer tube); .308 rifle buffer; .308 rifle action spring Manufacturer Part Number: CMM38CA964 UPC: 815835016573 California Proposition 65: Warning information referenced by manufacturer.