cal: .45 ACP, full auto, barrel: 16", (4) 16 rd mags, seller purchased new, fired less than 350 rds, conversion Uzi bolt #614, includes: factory box & paperwork and nylon sling, U.S.M.C mag pouch, sn: 002290, NOTE: THIS IS AN NFA/CLASS 3 REGISTERED TRANSFERABLE MACHINE GUN. ****If you do not know what that means or requires for purchase, please do no bid on this item until you have familiarized yourself with the NFA/Class 3 process and are willing to commit to it. If you are unsure of the procedures for purchasing an NFA registered weapon, please contact us, BATFE, or your local; this firearm is not registered under SOT license. It is on a Form 4 for transfer; there is a $100 transfer fee per firearm for transfer and/or processing payable to Gun World, whether the firearm is picked up or shipped.