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Rifles, Reloading, Optics, Equipment
Reloading
Advise on my .300 win mag load
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<blockquote data-quote="Greyfox" data-source="post: 806734" data-attributes="member: 10291"><p>I ordered Norma brass from Brownells a few months ago and found the same issue with 215's. I could not seat them using my Redding hand primer tool. Since I had issues with this seater in the past I ended up using my Forster Coaxial primer seater and this pushed them home without deformation. There is a narrower dimension(tighter)at the base of the primer pocket that seems to be the issue. The Forster has a lot of leverage and a variable stroke. I can feel the resistance at the end of the stroke. Since my groups and ES are very good, I have kept using the brass and I'm up to about 7 reloads with an annealing at four reloads. Except for the tight pockets, I really like this brass. For what they charge for it, it should be perfect though. I had very small groups with 75,5 gr. H1000 with 210 VLDs, but terrible ES, 50+FPS. I tried everything, seating depth, charge, brass, etc. No improvement. I thought it was my chronograph as well, but I also tested the loads on two other chronos and there was no change. I ended up switching to 79 gr of Retumbo. This got me the same accuracy, but ES under 10FPS, very consistently. Also picked up another 100FPS with no pressure signs. Lots of shooters swear by H1000 but I guess my rifle doesn't like it.</p></blockquote><p></p>
[QUOTE="Greyfox, post: 806734, member: 10291"] I ordered Norma brass from Brownells a few months ago and found the same issue with 215's. I could not seat them using my Redding hand primer tool. Since I had issues with this seater in the past I ended up using my Forster Coaxial primer seater and this pushed them home without deformation. There is a narrower dimension(tighter)at the base of the primer pocket that seems to be the issue. The Forster has a lot of leverage and a variable stroke. I can feel the resistance at the end of the stroke. Since my groups and ES are very good, I have kept using the brass and I'm up to about 7 reloads with an annealing at four reloads. Except for the tight pockets, I really like this brass. For what they charge for it, it should be perfect though. I had very small groups with 75,5 gr. H1000 with 210 VLDs, but terrible ES, 50+FPS. I tried everything, seating depth, charge, brass, etc. No improvement. I thought it was my chronograph as well, but I also tested the loads on two other chronos and there was no change. I ended up switching to 79 gr of Retumbo. This got me the same accuracy, but ES under 10FPS, very consistently. Also picked up another 100FPS with no pressure signs. Lots of shooters swear by H1000 but I guess my rifle doesn't like it. [/QUOTE]
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Reloading
Advise on my .300 win mag load
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