Originally Posted By tony_k: Not business guns, simply because Colt experienced a plan of not marketing MGs to personal get-togethers. By legislation they might not, mainly because they hardly ever compensated any federal excise tax on their own MGs. That saved them all-around 10% for each gun. (FET is paid https://whatisadirectory.com/listings12989418/facts-about-colt-combat-unit-rail-gun-45-revealed