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Rifles, Reloading, Optics, Equipment
Reloading
How to improve on bullet run out
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<blockquote data-quote="Bginvestor" data-source="post: 1113120" data-attributes="member: 54832"><p>Your right, my chamber is not up to par! ;-( Its an awesome .223 <strong>predator gun</strong>, so I've taken the effort to make it work..</p><p></p><p>However, forming the brass requires a full length to bring the neck back to concentric. Luckily, the Hornady die does a great job (surprisingly).</p><p></p><p>I agree w/ forming twice, it works! I've done this before and reduces by .0005 to 1 mil usually.</p><p></p><p>Thanks, for the suggestions, I went back and checked the ones with bad run out. I think I found the issue! The runout is worst than previously measured. So, the neck run out got worse after seating which jacked the bullet run out.</p><p></p><p>For most examples, if I measured neck run out at 2 mils, I got bullet ogive 4 to 6 mil run out. If my neck was .5 to 1 mil , run out was 1 to 3 mils...</p><p></p><p>So, with the new knowledge, I used dry lube to try and reduce seating force. Looks promising. Not sure what else I can do unless buying new dies. I think I am ruling out the wilson seating die (w arbor press) for now..</p><p></p><p>This forum is great.</p><p></p><p>PS: It shoots pretty good! 55 Sierra, 25 grn H335 at .01 from lands is the ticket</p></blockquote><p></p>
[QUOTE="Bginvestor, post: 1113120, member: 54832"] Your right, my chamber is not up to par! ;-( Its an awesome .223 [B]predator gun[/B], so I've taken the effort to make it work.. However, forming the brass requires a full length to bring the neck back to concentric. Luckily, the Hornady die does a great job (surprisingly). I agree w/ forming twice, it works! I've done this before and reduces by .0005 to 1 mil usually. Thanks, for the suggestions, I went back and checked the ones with bad run out. I think I found the issue! The runout is worst than previously measured. So, the neck run out got worse after seating which jacked the bullet run out. For most examples, if I measured neck run out at 2 mils, I got bullet ogive 4 to 6 mil run out. If my neck was .5 to 1 mil , run out was 1 to 3 mils... So, with the new knowledge, I used dry lube to try and reduce seating force. Looks promising. Not sure what else I can do unless buying new dies. I think I am ruling out the wilson seating die (w arbor press) for now.. This forum is great. PS: It shoots pretty good! 55 Sierra, 25 grn H335 at .01 from lands is the ticket [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
How to improve on bullet run out
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