1) borescope. teslongs are good and affordable (129 bucks from a nz supplier) alternatively ask a friend or gunsmith.
At the same time check for marks in the chamber area where you see the marks on the bullet
1) borescope. teslongs are good and affordable (129 bucks from a nz supplier) alternatively ask a friend or gunsmith.
At the same time check for marks in the chamber area where you see the marks on the bullet
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