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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
preasure problems with 7 ultra
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<blockquote data-quote="harfman99" data-source="post: 288490" data-attributes="member: 10938"><p>Hey </p><p></p><p>I was doing some load workup this last week and found the one. The load 180 berger vld 84 grains of retumbo fed 215 primers. fired and annealed rem brass. The load gave me 3283 avg with a average diff of 8 fps and gave me .25 moa at 600. The brass was handling it very well no signs of excessive pleasure at all and i couldn't have been happier. I went out with my brother Friday evening and had problems with over pleasuring cases. It was only about 65 degrees when we were out and only about 10 warmer than it was when i did the load workup. so temp shouldn't have been the problem. All cases had a had a normal going through neck and mouth cleaning and partial neck sizing, primer pockets also cleaned. the powder scaled out to the 10th of a grain and from the same jug. </p><p>bullets were all set out to the same leignth. the bullets are just touching the lands. </p><p></p><p>I don't know what i am doing wrong to cause such a big diferance in preasure. Would it be the barrel the brass of something i am overlooking. </p><p>also the problem wasn't continious with three over preasuring and the next round not and several more after that and back and fourth. I put 12 rounds down range that nite and kept the shots spread apart to keep the barrel cool.</p><p></p><p>any thing else to look at would be greatly appreciated. </p><p></p><p>thanks</p><p>chris</p></blockquote><p></p>
[QUOTE="harfman99, post: 288490, member: 10938"] Hey I was doing some load workup this last week and found the one. The load 180 berger vld 84 grains of retumbo fed 215 primers. fired and annealed rem brass. The load gave me 3283 avg with a average diff of 8 fps and gave me .25 moa at 600. The brass was handling it very well no signs of excessive pleasure at all and i couldn't have been happier. I went out with my brother Friday evening and had problems with over pleasuring cases. It was only about 65 degrees when we were out and only about 10 warmer than it was when i did the load workup. so temp shouldn't have been the problem. All cases had a had a normal going through neck and mouth cleaning and partial neck sizing, primer pockets also cleaned. the powder scaled out to the 10th of a grain and from the same jug. bullets were all set out to the same leignth. the bullets are just touching the lands. I don't know what i am doing wrong to cause such a big diferance in preasure. Would it be the barrel the brass of something i am overlooking. also the problem wasn't continious with three over preasuring and the next round not and several more after that and back and fourth. I put 12 rounds down range that nite and kept the shots spread apart to keep the barrel cool. any thing else to look at would be greatly appreciated. thanks chris [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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preasure problems with 7 ultra
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