At first Posted By tony_k: Not business guns, because Colt experienced a coverage of not promoting MGs to non-public get-togethers. By legislation they might not, as they never ever paid any federal excise tax on their MGs. That saved them close to ten% for each gun. (FET is paid out https://reallivesocial.com/story4027430/5-essential-elements-for-colt-m16a1-for-sale