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Rifles, Reloading, Optics, Equipment
Reloading
338 Norma Reloading Data
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<blockquote data-quote="Jakeweb09" data-source="post: 2046690" data-attributes="member: 113122"><p>Well I went out today and shot the rifle for the second time. I do have one problem in that the bottom metal won't stay closed now that I'm higher in the charge weights. It pops open on every shot. Don't know if that's effecting my groups or not. Started at 87 grains and worked up to 90.5 grains. At 90.5 I was shooting around 2830 average. Seems slow but barrel may have some speeding up to do. I'm not crunching powder and I had absolutely no pressure signs. No cratering, no ejector, easy bolt lift, and rounded primers still. But across all charges I had pretty bad ES and SD numbers compared to what I've gotten with all my other rifles. I'm usually able to get in the single digit numbers pretty easily and today I was in the 30-40 range on most loads. At 88 I had a failure with the magneto on my second shot and it didn't give me a number and the other two were 9fps apart. I may try and go a little higher in the charge weights till I reach pressure and see if I find a flatter spot in velocity. The 88 grain group did shoot around 3/4" and 89 grain shot just a tad larger. But es and sd still were not impressing. If I can't find a decent spot on the next trip I may try the 300s but trying to stick with the 250s.</p></blockquote><p></p>
[QUOTE="Jakeweb09, post: 2046690, member: 113122"] Well I went out today and shot the rifle for the second time. I do have one problem in that the bottom metal won’t stay closed now that I’m higher in the charge weights. It pops open on every shot. Don’t know if that’s effecting my groups or not. Started at 87 grains and worked up to 90.5 grains. At 90.5 I was shooting around 2830 average. Seems slow but barrel may have some speeding up to do. I’m not crunching powder and I had absolutely no pressure signs. No cratering, no ejector, easy bolt lift, and rounded primers still. But across all charges I had pretty bad ES and SD numbers compared to what I’ve gotten with all my other rifles. I’m usually able to get in the single digit numbers pretty easily and today I was in the 30-40 range on most loads. At 88 I had a failure with the magneto on my second shot and it didn’t give me a number and the other two were 9fps apart. I may try and go a little higher in the charge weights till I reach pressure and see if I find a flatter spot in velocity. The 88 grain group did shoot around 3/4” and 89 grain shot just a tad larger. But es and sd still were not impressing. If I can’t find a decent spot on the next trip I may try the 300s but trying to stick with the 250s. [/QUOTE]
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Reloading
338 Norma Reloading Data
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