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.243 ai vs. 6mm-284
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<blockquote data-quote="uncleB" data-source="post: 176317" data-attributes="member: 4679"><p>j_22250,</p><p>I cant believe you got so butt hurt by my comments, but from your post I did not know what direction you were going.</p><p>After reading catshooters post I thought his estimate of a 10% capacity increase was a bit modest, so to answer your question I took both a 243ai case and a 6-284 case and filled them both to the bottom of the neck with Win748 (a ball powder that flows almost like water) the 243ai case held 53.5grains and the 6-284 case held 66.2grains. even accounting for variables such as different reamer specs. etc. the difference is closer to 20%.</p><p></p><p>As far as velocity difference with 85-87gr bullets I truly dont know because I only use this class of cases with 95-107gr bullets. with 95-107gr bullets you can expect at least a 200fps increase. just something to think about if you want to shoot 85-87gr bullets you might want to consider a 6BR or a 6BRai you give up a little velocity but gain substantial barrel life.</p><p>UB</p></blockquote><p></p>
[QUOTE="uncleB, post: 176317, member: 4679"] j_22250, I cant believe you got so butt hurt by my comments, but from your post I did not know what direction you were going. After reading catshooters post I thought his estimate of a 10% capacity increase was a bit modest, so to answer your question I took both a 243ai case and a 6-284 case and filled them both to the bottom of the neck with Win748 (a ball powder that flows almost like water) the 243ai case held 53.5grains and the 6-284 case held 66.2grains. even accounting for variables such as different reamer specs. etc. the difference is closer to 20%. As far as velocity difference with 85-87gr bullets I truly dont know because I only use this class of cases with 95-107gr bullets. with 95-107gr bullets you can expect at least a 200fps increase. just something to think about if you want to shoot 85-87gr bullets you might want to consider a 6BR or a 6BRai you give up a little velocity but gain substantial barrel life. UB [/QUOTE]
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.243 ai vs. 6mm-284
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