Originally Posted By tony_k: Not commercial guns, simply because Colt experienced a policy of not selling MGs to non-public events. By regulation they may not, given that they never ever paid out any federal excise tax on their own MGs. That saved them all over 10% for each gun. (FET https://stephenonlhg.tnpwiki.com/6414913/facts_about_colt_combat_unit_rail_gun_45_revealed