Originally Posted By tony_k: Not business guns, because Colt had a policy of not promoting MGs to non-public events. By law they could not, since they by no means paid out any federal excise tax on their MGs. That saved them about 10% for each gun. (FET is compensated through https://archerwyybl.vigilwiki.com/6490011/helping_the_others_realize_the_advantages_of_colt_m16a1_for_sale