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Tennessee Gun Owners Forums
Reloading
7mm PRC Optimal powder charge help... update... I give up!!!!
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<blockquote data-quote="rickyk280" data-source="post: 5884005" data-attributes="member: 22663"><p>Not to go into to great detail, a friend of mine ordered a Impact Precision in 7mm PRC, 24" Carbon Bartlein barrel, Nightforce scope. Here is the best load we found, we tried 3 other powders but H4831sc came out on top, we started at 65.5 wound up at 69.5 grains of H4831sc pushing a 180 Berger VLD, Lapua case's, with no pressure signs, bolt lift is fine, no extractor mark. Chronograph average 3004fps. I don't have but a 300 yard range here behind the shop and rifle shoots extremely well with that load. Like you I believe your groups would be worse and more erratic with an off cut chamber. Hope you get your problem taken care of.</p></blockquote><p></p>
[QUOTE="rickyk280, post: 5884005, member: 22663"] Not to go into to great detail, a friend of mine ordered a Impact Precision in 7mm PRC, 24" Carbon Bartlein barrel, Nightforce scope. Here is the best load we found, we tried 3 other powders but H4831sc came out on top, we started at 65.5 wound up at 69.5 grains of H4831sc pushing a 180 Berger VLD, Lapua case's, with no pressure signs, bolt lift is fine, no extractor mark. Chronograph average 3004fps. I don't have but a 300 yard range here behind the shop and rifle shoots extremely well with that load. Like you I believe your groups would be worse and more erratic with an off cut chamber. Hope you get your problem taken care of. [/QUOTE]
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Tennessee Gun Owners Forums
Reloading
7mm PRC Optimal powder charge help... update... I give up!!!!
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