Originally Posted By tony_k: Not industrial guns, because Colt had a plan of not advertising MGs to personal functions. By law they might not, since they in no way paid out any federal excise tax on their MGs. That saved them all around 10% for every gun. (FET is compensated https://coltcombatelitedefender78887.wikinstructions.com/1083052/colt_m16a1_for_sale_things_to_know_before_you_buy