CMMG AR-15 Receiver Extension- Mil-Spec Diameter- Black

Are you thinking about build a new AR-15 rifle or completing that lower you have had sitting around for months? Well then look no further that this receiver extension kit for your AR-15 lower. CMMG has created the perfect kit containing an AR-15 rifle receiver extension; end plate, carbine buffer and spring. This kit is designed to work correctly with both with standard 5.56mm NATO AR rifle builds.

Specifications and Features:
CMMG AR-15 Receiver Extension Kit 55CA6C7
Ready to accept Mil-spec AR-15 Carbine stocks
High quality anodized aluminum
Matte Black

Includes:
Mil-spec receiver extension
Buffer
Buffer Spring
Castle Nut
End Plate