100-1000 depending on specifics
The Remington Model 51 pistol was not made by Walther. Has nothing to do with Walther. See the link at the right for a reproduction manual. sales@countrygunsmith.net
5-500 usd
The first production semi auto pistol was the Mauser c/96 "broomhandle" pistol.
25-50 USD or so
100-340
Semi-auto requires the hammer to be cocked for the first shot.
15m
@1893
15m
It's semi auto not full auto.
100-300 USD
In order to tell how old your Colt 25 semi auto pistol is, you will need to offer the serial number. This number gives you an idea of when the pistol was manufactured.