100-1000 depending on specifics
50-550 usd
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
.45 ACP means auto cartridge pistol ( I believe they spelled it pistole though). The .45 auto just means it is an autoloading pistol unlike the revolver style pistol.
Company is out of business. Value as shooters only. 100-300
ACP means Automatic Colt Pistol. .45 ACP and .45 Auto are the same cartridge. .45 Colt and .45 Auto Rim are a revolver cartridge. .45 GAP (Glock Auto Pistol) is a shorter round than the ACP, and does not interchange with it.
Yes
100-300 or so
No. The 45 ACP (which means 45 Auto) cannot use the .45 GAP or the .45 Magnum.
You need to tell us what model of what firearm. Auto Ordnance made a .45 cal semiauto carbine and a 1911A1 pistol.
500-1000 usd
300 USd
230 grain round nosed FMJ.