CMMG Receiver Extension and A1 Stock Kit Fits MK3, Black

Simple and dependable, the A1 stock is one of the most iconic AR accessories ever created. The CMMG A1 stock is designed for durability and functionality, featuring a rear storage compartment and sling mount for added convenience. Built from high-strength polymers, it provides maximum durability without the need for a foam-filled core. This kit includes everything needed for your rifle-length Mk3/LR-308 buffer system, making it a reliable choice for completing your build. Pair it with your preferred Lower Parts Kit to finalize your lower receiver group with confidence.