CMMG Pistol Receiver Extension Kit — Buffer & Ambi Sling Plate

The CMMG Receiver Extension Kit for pistols supplies the core components needed to complete an AR-style pistol lower group. The kit includes a CMMG pistol receiver extension, a carbine buffer assembly, a carbine action spring, and an ambidextrous sling end plate. It is intended for AR-platform pistol builds and is listed for use with 300 AAC Blackout and 5.56mm pistol configurations. Combine this kit with an appropriate lower parts kit to finish a pistol lower group.

Key Specifications

• The kit includes CMMG pistol receiver extension, carbine buffer assembly, and carbine action spring.
• Designed for use with 300 AAC Blackout and 5.56mm pistol builds.
• The product type is listed as Pistol/Carbine Conversion.
• The kit features rails in Black.
• The listed material value is AR-15.
• The firearm type is AR Platform.
• The firearm model is listed as Carbine.
• The listed weight is 0.57.
• The kit includes an ambidextrous sling end plate for mounted sling options.

For builders assembling a compact AR pistol or converting to a carbine-style buffer setup, this CMMG kit provides the fundamental receiver-extension components and practical features such as an ambidextrous sling mount and standard carbine buffer configuration. Its straightforward parts set is suited to builders who value correct fit and functional compatibility on AR-platform pistol builds.