Quote:
Originally Posted by H Richard
I think you have hit on it. Take it to a trusted gunsmith and have re-crowned. I think you will notice a distinct difference.
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Curious as to the logic behind this recommendation. Why would re-crowning be responsible for vertical stringing? The most common causes are the barrel heating up - especially rifles - and shooter breath control.
Remember that b/c gap is not a measure of how accurate your revolver will be. Alignment of the cylinder with the barrel and a square forcing cone are what is needed. I would offer the following possibilities instead of crowning problems. 1). b/c gap is too small for this model. 2). Forcing cone not correctly and smoothly cut 3). Forcing cone not square with the frame. 4). Cylinder face not square to the frame 5). Barrel got squashed too severely with S&W mounting technique - measure with bore micrometer. 6). Cylinders not in alignment with f/c.
Sparks