At First Posted By tony_k: Not commercial guns, because Colt experienced a plan of not selling MGs to non-public events. By regulation they could not, given that they hardly ever compensated any federal excise tax on their own MGs. That saved them all around ten% for every gun. (FET is https://andregjigc.wikiap.com/1088907/the_fact_about_colt_combat_unit_rail_gun_45_that_no_one_is_suggesting