This is called "crowning the barrel". For BBMGs people usually run a small bit into the muzzle so the end of the barrel is a conical depression. (Real rifle barrels are also crowned.)VH_man wrote:i found out my problem........ If i look at the muzzle end of the old barrel, i did not do a very clean cut....... at all............
this time i cut it with a hacksaw, then beveled the edges inward....
Marble inaccuracy
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jimmy101
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