Quote:
Originally Posted by llowry61
I have been told that the lighter bullets may increase the potential for flame cutting on the top strap. It was explained that the smaller bullets allow more gases etc to escape around the forcing cone resulting in a plasma cutting effect. On another note, it would seem to me a heavier bullet would cause more recoil based purely on physics. I like the 158gr hornady xtp, but I shoot 6 inch guns.
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His 627 PC is an N frame revolver and top strap cutting is the least of his worries. After many 1,000's of rounds he will get some minor flame cutting that stabilizes and isn't a factor as there is still plenty of top strap steel left. What the hot, lighter loads might do though is after many, many rounds it could possibly wash out the forcing cone area and have to be sent back to S&W to get the barrel cut back a turn and have the forcing cone re-cut. But that will take a whole bunch of shooting to that too.