British proof marks make a dent in the bore


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Clark
March 29, 2003, 01:49 PM
The three Brit proof marks on this S&W 1917 pistol all dented through to the bore. The last one was on thicker barrel, and is not so strong in the bore.

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Pistolsmith
March 29, 2003, 02:47 PM
This is common to pistols and revolvers. If you will look inside the bore of Colt commemorative 7/8 replicated "revolvers", actually a single shot .22 short, you see a definite impression of the legend.
When you slam steel type into a surface, the metal beneath it compresses and goes deep into the structure; this is why you can always raise a serial number or legend by applying muriatic acid.

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