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<blockquote data-quote="PrairieGhost" data-source="post: 193330" data-attributes="member: 704"><p>Two things come to my mind.&nbsp; Even with the few rounds you have through it copper in the bore could be your problem.&nbsp; The other possibility is a small ding in your crown.&nbsp; It could be nearly imperceptible without magnification.&nbsp; However a very small dent will allow gas escape on one side before the other destabilizing the bullet.&nbsp; I first became aware of this problem when a friend and I squirrel hunted with 50 cal Hawkens.&nbsp; His had very poor accuracy while mine pulled of head shots consistently.&nbsp; We were shooting patched roundballs.&nbsp; He tried the plastic patches and got good accuracy.&nbsp; His crown would blow the plastic patch without affecting the flight of the round ball.&nbsp; His bore was also inconsistent being tighter in the last four inches.&nbsp; We cut off four inches and recrowned. After that it shot fine with patched roundball.</p></blockquote><p></p>

[QUOTE="PrairieGhost, post: 193330, member: 704"] Two things come to my mind. Even with the few rounds you have through it copper in the bore could be your problem. The other possibility is a small ding in your crown. It could be nearly imperceptible without magnification. However a very small dent will allow gas escape on one side before the other destabilizing the bullet. I first became aware of this problem when a friend and I squirrel hunted with 50 cal Hawkens. His had very poor accuracy while mine pulled of head shots consistently. We were shooting patched roundballs. He tried the plastic patches and got good accuracy. His crown would blow the plastic patch without affecting the flight of the round ball. His bore was also inconsistent being tighter in the last four inches. We cut off four inches and recrowned. After that it shot fine with patched roundball. [/QUOTE]

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