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Rifles, Reloading, Optics, Equipment
Gunsmithing
Recrown Barrel / Brownells Chamfering Cutter?
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<blockquote data-quote=".30US" data-source="post: 977768" data-attributes="member: 19108"><p>How does it shoot now? At a recent gunsmithing course, the instructor was talking about a study written up by another gunsmith in which he intentionally damaged the crowns. He started with small nicks in minor locations and continued to major gouges. In the end, his conclusion was it doesn't matter unless you see accuracy drop off; no specific damage produced an expected drop off in accuraccy. I'd keep hunting until it has enough damage to show on paper, then look at doing something about it. If you do decide to recrown, I would recommend against a single angle on the crown. I like to have a transition angle of a few thousandths thickness from the lands and grooves to the actual crown.</p></blockquote><p></p>
[QUOTE=".30US, post: 977768, member: 19108"] How does it shoot now? At a recent gunsmithing course, the instructor was talking about a study written up by another gunsmith in which he intentionally damaged the crowns. He started with small nicks in minor locations and continued to major gouges. In the end, his conclusion was it doesn't matter unless you see accuracy drop off; no specific damage produced an expected drop off in accuraccy. I'd keep hunting until it has enough damage to show on paper, then look at doing something about it. If you do decide to recrown, I would recommend against a single angle on the crown. I like to have a transition angle of a few thousandths thickness from the lands and grooves to the actual crown. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
Recrown Barrel / Brownells Chamfering Cutter?
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