CMMG Rifle Length Stock Kit for AR Rifles – Receiver Extension, Buffer, Spring, Black (55CA646)

• Rifle length stock and receiver extension kit for AR platform rifles
• Includes extension tube buffer spring buffer stock and mounting hardware components
• Designed to complete lower receiver assembly when paired with parts kit
• A1 style fixed stock provides stable shoulder support during firing
• Compatible with AR-15 rifle length receiver extension configurations
• Black finish components provide consistent appearance and corrosion resistance

The CMMG Rifle Length Receiver Extension Stock Kit AR Rifles Black is a rifle stock kit designed for completing AR rifle lower assemblies with a fixed stock configuration. This rifle stock kit includes a rifle-length receiver extension and associated components for buffer and stock installation. It is designed for use with AR rifle platforms requiring a fixed A1-style stock setup.

The CMMG rifle length receiver extension stock kit includes a receiver extension tube, rifle buffer, recoil spring, end cap, stock, and stock screw. It features a black finish and is compatible with AR rifle platforms. The kit is categorized under stock and buffer tube assemblies and supports fixed stock configurations. This product is used for completing lower receiver assemblies for range use or field setups. In standard configurations, the components integrate with the lower receiver to provide buffer function and shoulder support.