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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5 PRC 156 load development
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<blockquote data-quote="Hiwayman92" data-source="post: 1746380" data-attributes="member: 85098"><p>How old is your die set? I wonder if they changed specs. I have an older set. I'm measuring with a micrometer, and come up with .53295 on most, but like I said, I'm not sure I'm measuring exactly at the correct spot, but the whole area measured about the same. With that said, I'm not having sticky brass. I'm starting over though, I sent my Havak back after 440 rounds. It wouldn't shoot well unless it was very recently cleaned. Seekins replaces the barrel.... and stock, no questions asked! The test targets they sent back with it are killer with 143 Precision Hunter, but I want to run 147's or 156's. I had to bump all of my fire formed brass back about 5 thou to get them to chamber smoothly. I hate trying to do load development on a brand new barrel, so I'm looking for a solid charge to burn through the first 100 rounds. I saw pressure at 58.1 grains of H1000 this morning with the 147, but that was with brass that was pretty tight to chamber. I bumped all the rest of my unfired and loaded 57.0-57.9. I also loaded 55-58 grains for a pressure test with 156's. What jump have you guys ended up liking with the 156? Also, it seems most of the load data I've seen is for N565. I'm looking for some H1000 data also. I've got H1000, RL-26, N565, and N570 but I'd be happy with H1000 in the 2900 range because I've got 4 pounds of it. Input?</p></blockquote><p></p>
[QUOTE="Hiwayman92, post: 1746380, member: 85098"] How old is your die set? I wonder if they changed specs. I have an older set. I’m measuring with a micrometer, and come up with .53295 on most, but like I said, I’m not sure I’m measuring exactly at the correct spot, but the whole area measured about the same. With that said, I’m not having sticky brass. I’m starting over though, I sent my Havak back after 440 rounds. It wouldn’t shoot well unless it was very recently cleaned. Seekins replaces the barrel.... and stock, no questions asked! The test targets they sent back with it are killer with 143 Precision Hunter, but I want to run 147’s or 156’s. I had to bump all of my fire formed brass back about 5 thou to get them to chamber smoothly. I hate trying to do load development on a brand new barrel, so I’m looking for a solid charge to burn through the first 100 rounds. I saw pressure at 58.1 grains of H1000 this morning with the 147, but that was with brass that was pretty tight to chamber. I bumped all the rest of my unfired and loaded 57.0-57.9. I also loaded 55-58 grains for a pressure test with 156’s. What jump have you guys ended up liking with the 156? Also, it seems most of the load data I’ve seen is for N565. I’m looking for some H1000 data also. I’ve got H1000, RL-26, N565, and N570 but I’d be happy with H1000 in the 2900 range because I’ve got 4 pounds of it. Input? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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6.5 PRC 156 load development
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