The CMMG Receiver Extension and Stock Kit A1 Mk3 is a testament to quality engineering and design. Crafted for AR-10 platforms, this kit includes a CMMG A1 Receiver Extension, .308 Rifle Buffer Assembly, .308 Rifle Action Spring, and A1 Rifle length Buttstock Assembly. Made from high-strength polymers, it ensures durability and ease of use, making it an ideal choice for completing your lower receiver group.

Perfect for range time and training, this kit offers reliability and functionality. CMMG is renowned for its commitment to quality and innovation, ensuring that each product meets the highest standards.

Key Features:
- Manufacturer: CMMG
- Model: Receiver Extension and Stock Kit A1 Mk3
- Product Type: Buttstock
- Material: Polymer
- Unique Features: Rear storage compartment, sling mount
- What's In The Box: CMMG A1 Receiver Extension, .308 Rifle Buffer Assembly, .308 Rifle Action Spring, A1 Rifle length Buttstock Assembly