Appears to us that it is in new condition. Wonderfully complicated piece of mechanical art fitted to the end of a 3 barrel ‘Gatling’ system as stocked by the Army and Navy: P/N #537AS595. Manufacturing this baby is a highly meticulous affair and the welding labor alone could take several days without a robotic welder. 17” long by 5-3/4” diameter. Compare our price to what the Govt. pays! Yikes… it will blow your mind…over 15K! NSN 1005-01-029-