I have a complete conversion kit for a Colt Commander style .45 New in the Detonics box with 50 new .451 cases. I also have a new in Haliburton case .451 Detonics MKIV. Special edition. There was to be 1000 made but only about 200 were produced. This is # 120 Its the pistol, extra .45 barrel, reamer, 50 cases of .451 brass, sonic earplugs and cleaning kit, all packaged in the Haliburton Aluminum case. Never fired. $2000.00 for it and $400.00 for the conversion kit. Best regards, Mike