A SECRET WEAPON FOR COLT 6940 BARREL NUT WRENCH

  The magwell engraving has modified, and Colt has rebranded all their carbines as "Carbine" and not marked M4 Carbine.  This is the only modify on the product or service.Worn out rings. Attempted Colt customer service. They say it is actually out in the a single yr guarantee and gained’t offer parts to the general public.In case you ever see a