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The Range
Firearms Chat
DIY muzzle recrown?
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<blockquote data-quote="swampratt" data-source="post: 2278156" data-attributes="member: 15054"><p>I was getting 6"+ groups from boat tails in my 30-06 at 300 yards</p><p>Tight at 100 under 1"</p><p>The flat base bullets stayed tight at 300.. under 3" actually 3 shots at 2.25" at 300 yards.</p><p></p><p>The crown had nicks and I took a small glass marble and fine lapping compound with that marble and put a small chamfer on the muzzle..</p><p>The boat tails tightened up to 3.5" at 300 yards.</p><p>Need more testing of the flat base.. as they opened up ..but a different lot number of powder was used on the flat base.</p></blockquote><p></p>
[QUOTE="swampratt, post: 2278156, member: 15054"] I was getting 6"+ groups from boat tails in my 30-06 at 300 yards Tight at 100 under 1" The flat base bullets stayed tight at 300.. under 3" actually 3 shots at 2.25" at 300 yards. The crown had nicks and I took a small glass marble and fine lapping compound with that marble and put a small chamfer on the muzzle.. The boat tails tightened up to 3.5" at 300 yards. Need more testing of the flat base.. as they opened up ..but a different lot number of powder was used on the flat base. [/QUOTE]
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