CMMG A1 Rifle Receiver Extension Buffer Tube Black Hardcoat Anodized Aluminum CMM55CA9B7

CMMG A1 Receiver Extension is a rifle-length buffer tube for AR-platform rifles that use fixed rifle-length stocks. Finished in black hard coat anodized aluminum, this receiver extension is designed for AR-15/M4/M16 and LR-308 pattern builds and is compatible with CMMG Mk4 AR-15 and Mk3 LR-308 lower receivers.\n\nProduct Highlights:\n- Rifle-length A1 receiver extension (buffer tube) for AR-platform rifles\n- Black hard coat anodized aluminum construction for durability and corrosion resistance\n- Designed to accept fixed rifle-length stocks\n- Compatible with AR-15/M4/M16 and LR-308 pattern setups\n- Works with CMMG Mk4 (AR-15) and Mk3 (LR-308) lower receivers\n\nSpecs:\n- Brand: CMMG\n- Manufacturer Part Number: CMM55CA9B7\n- UPC: 815835017334\n- Product Type: A1 receiver extension / buffer tube\n- Length: Rifle length\n- Color: Black\n- Material/Finish: Hard coat anodized aluminum\n- Stock Compatibility: Fixed rifle-length stocks\n- Platform Compatibility: AR-15/M4/M16/LR-308 pattern\n- Receiver Compatibility: CMMG Mk4 (AR-15) and Mk3 (LR-308) lower receivers