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200 grain 6.5 revisited (Attention Elkaholic, and Hammer)
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<blockquote data-quote="RockyMtnMT" data-source="post: 1896003" data-attributes="member: 7999"><p>We call it the 6.5 UltraCat. It is a 300 rum necked down to 6.5 with a 40* shoulder. We did this reamer about 10 years ago. Back then we did not have much choice in brass and powder. We were not able to settle the load down when using us869. Temp changes would spike the pressure terrribly. Next we will take it out and shoot at a 30*-40* increase in temp and see if there is issues with the Ramshot LRT. We are at a pretty top end load now, we did take it a grain higher and started to get a bit of heavy bolt lift ant 4030 fps. I guess we are 10 fps under the goal of 4000 fps. So far so good.</p></blockquote><p></p>
[QUOTE="RockyMtnMT, post: 1896003, member: 7999"] We call it the 6.5 UltraCat. It is a 300 rum necked down to 6.5 with a 40* shoulder. We did this reamer about 10 years ago. Back then we did not have much choice in brass and powder. We were not able to settle the load down when using us869. Temp changes would spike the pressure terrribly. Next we will take it out and shoot at a 30*-40* increase in temp and see if there is issues with the Ramshot LRT. We are at a pretty top end load now, we did take it a grain higher and started to get a bit of heavy bolt lift ant 4030 fps. I guess we are 10 fps under the goal of 4000 fps. So far so good. [/QUOTE]
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200 grain 6.5 revisited (Attention Elkaholic, and Hammer)
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