CMMG is a build to order company. We appreciate your patience as we traverse this extremely busy time. We currently do not have estimated lead times with long backorder list and high demand. Orders are processed by date received and as parts and components become available to complete the build.
THIS PRODUCT IS BACKED BY THE CMMG LIFETIME QUALITY GUARANTEE.
Receiver Extension, A1
Rifle length buffer tube AR-15/M4/ M16/LR-308 pattern. Made from black hard coat anodized aluminum, the CMMG A1 receiver extension (buffer tube) is designed to accept fixed rifle length stocks and is compatible with Mk4 (AR-15) and Mk3 (LR-308) lower receivers.