Receiver Extension and Stock Kit, A1, Mk3

Simple and dependable, the A1 stock is one of the most iconic AR accessories ever produced. The CMMG® A1 stock features a rear storage compartment and sling mount and includes everything you need for your Rifle length Mk3/LR-308 buffer system. Made from high strength polymers for maximum durability without the need for a foam filled core. Combine this kit with your choice of Lower Parts Kit to complete your lower receiver group.

All CMMG products come with our Lifetime Quality Guarantee.

Kit Includes:

• A1 Rifle Length Buttstock
• CMMG A1 Receiver Extension (Buffer Tube)
• .308 Rifle Buffer
• .308 Rifle Action Spring