CMMG AR-10 Mk3 A1 Rifle Receiver Extension and Stock Complete Kit- Black

The CMMG MK3 Fixed A1 Stock Kit is an excellent accessory that is made of durable aluminum and polymer for excellent longevity and durability. This OEM CMMG MK3 Fixed A1 Stock Kit is easy to install and is vital for proper operation. 

Includes:

• CMMG A1 Receiver Extension
• .308 Rifle Buffer Assembly
• .308 Rifle Action Spring
• A1 Rifle length Butt Stock Assembly

Fits:

• AR10, LR308, CMMG Mk3 .308 Rifles