c4
Best to ask a gunsmith for help.
Colt has never made a 45/410 pistol
Best left to a gunsmith
'ACP' means Automatic Colt Pistol. A 1911, for example, would chamber a .45 ACP cartridge.
Automatic Colt Pistol
Automatic Colt Pistol. Colt invented the .45 Auto and thus had the right to name it.
Call Colt
Good pistol
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
best let a gunsmith dissemble & clean it
Caliber .45 Automatic Colt Pistol.
The .45 ACP--which stands for AUTOMATIC COLT PISTOL is used in semiautomatic pistols. The .45 Colt is used in revolvers.