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Old August 11, 2014, 04:02 PM   #98
maillemaker
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Join Date: August 30, 2010
Posts: 1,635
Quote:
I may have missed it but my friend who shoots NSSA matches noticed that the 44 cylinders are smaller than the bores. He reams the cylinders out to bore diameter which accurizes them considerably.
This is said to be sometimes true, but I have not found it to be true for any of my BP guns, neither Pietta nor Ubierti. All were purchased within the last 2 years.

An easy way to tell is this:

Load a ball into an empty chamber. Unscrew the nipple, and use a thin dowel (you can use a nail) to pound the ball out of the cylinder, using a block of wood with a hole in it to support the cylinder and allow the ball to drop out.

With the ball out, try to put it down the barrel. If it doesn't fit, your barrel bore is smaller than your chamber.

Steve
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