Anniston Army Depot
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.
.45 ACP means Automatic Colt Pistol. It IS .45 Auto.
it's colt made in 1918. if your slide reads 'springfield' then someone put a springfield slide on the colt frame. that is not unusual................
Check the frame to include the butt.
Automatic Colt Pistol. Colt invented the .45 Auto and thus had the right to name it.
The only true sn is on the frame.
made by Colt in 1918. not unusual to see a springfield slide on a Colt frame. value depends on overall condition. estimate $1500 plus or minus.
the pistol was made by Springfield in 1914. If the slide read 'colt' it means someone put a colt slide on a springfield 45 frame. Not unusual.
1918
You will have to call Colt to find out.
on the grip frame.
100-10000 USD