I really don't know much about
This gun IE what thy are worth our how good thy are
They are excellent handguns,,,
I own a 4" .357 Mag and a 6" .22 LR,,,
Both of the revolvers are excellent shooters.
Here's what the 2010 Standard Catalogue of Firearms says about them.
Trooper MK III
This revolver was intended to be the target-grade version of the
MK III series. It is offered with a 4", 6", or 8" vent-rib barrel with a
shrouded ejector rod similar in appearance to the Python. It is
chambered for the .22 LR and the .22 Magnum, as well as .357
Magnum. It features adjustable target sights, checkered walnut
target grips, and is either blued or nickel-plated. This model was
manufactured between 1969 and 1983.
NIB Exc. V.G. Good Fair Poor
750 400 325 200 150 100
The book also listed it as a "sleeper" which may rise in value very quickly,,,
Colt doesn't make double action revolvers anymore,,,
When all of the good Pythons are bought up,,,
Collectors will latch onto the Troopers.
As far as that white-out goes,,,
Rubbing alcohol and a wood toothpick worked for me.
Aarond
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