Wow, a HP 20S!
That was an awkward contraption to wrangle numbers with.
Much preferred my 32S.
Huh, neato! Never seen one of those before.A Hopkins & Allen Safety police in 32S&W:
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It was somewhat different with a floating firing pin and the hammer on a cam so that after striking the firing pin it was raised up above the pin to rest directly on the frame. The rear sight was on the frame rather than on the barrel assembly.
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Also the catch for the top break mechanism is a scissors type with two prongs inserted into the post and buttons on the side.
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I in fact still do have the gun. I just had my daughter pick up a new camera so when I learn to use it I will attempt to get better pictures to post. I realize the poor quality of the ones I have. In the mean time here is a picture of what I started with. Just for kicks - the quality is poor on these as well.View attachment 1006372Do you still have that gun? I sure would like to see some current photos of that for better clarity.
My dad with a carbine in Korea and later with his pistol team circa early 60's he is far right lefty shooter
I have that HP .... what's so awkward about it?. It's just a scientific calculator.....