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Rifles, Reloading, Optics, Equipment
Gunsmithing
Deliberately throating a match barrel long
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<blockquote data-quote="MontanaRifleman" data-source="post: 756706" data-attributes="member: 11717"><p>The bearing surface of the 230 Hybrid is .495" When the bullet is fired, the ogive will engage the lands just forward of the bearing surface, maybe .050 give or take. If you make your freebore longer than that, you might loose accuracy.</p><p></p><p>I just ordered and 300 RUM reamer and I am going with a .200" throat which was designed for the CE 200 gr Max Agg bullet. I also have an additional .018" from my trimmed necks to the end of the neck of my chamber for a total of .218" of actual freebore It will also be good for the 230 Hybrid as I will be seat that bullet so the the junction of the bearing surface and boattail are even with the junction of the neck and shoulder of the brass leaving some jump to the lands.</p></blockquote><p></p>
[QUOTE="MontanaRifleman, post: 756706, member: 11717"] The bearing surface of the 230 Hybrid is .495" When the bullet is fired, the ogive will engage the lands just forward of the bearing surface, maybe .050 give or take. If you make your freebore longer than that, you might loose accuracy. I just ordered and 300 RUM reamer and I am going with a .200" throat which was designed for the CE 200 gr Max Agg bullet. I also have an additional .018" from my trimmed necks to the end of the neck of my chamber for a total of .218" of actual freebore It will also be good for the 230 Hybrid as I will be seat that bullet so the the junction of the bearing surface and boattail are even with the junction of the neck and shoulder of the brass leaving some jump to the lands. [/QUOTE]
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Gunsmithing
Deliberately throating a match barrel long
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