Initially Posted By tony_k: Not commercial guns, simply because Colt experienced a plan of not advertising MGs to non-public functions. By law they could not, simply because they never ever paid any federal excise tax on their own MGs. That saved them all-around 10% for each gun. (FET is paid https://gold-cup-trophy-colt-4597139.wikibestproducts.com/1091071/colt_python_6_for_sale_secrets