BCM Standard 16″ Mid Length Upper Receiver Group w/ VTAC ALPHA 13″ Handguard Barreled Upper Receiver Group for your AR15, M16, M4. Cold Hammer Forged Barreled Upper Receiver Group for your AR15, M16, M4, with VTAC ALPHA 13″ Rail Installed. Specifications: Barrel, Forged, Hammer. Click on any photo or here to find out more …
