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Rifles, Reloading, Optics, Equipment
Reloading
Primer/Ignition question?
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<blockquote data-quote="Waffen" data-source="post: 130019" data-attributes="member: 4311"><p>Gentlemen,</p><p></p><p>I recently found a load that I can FINALLY get to shoot out of my Rem 700 in 300 RUM, however it seems to be a bit inconsistent. </p><p></p><p>I just got back from the range today where I fired 30 rounds of the exact same load. Temps were about 50 degrees. I can put 3 rounds in the exact same hole at 100 yards without problem, however when I shoot a 5 shot group at least two of the rounds are "flyers". I can't really explain it. I KNOW it's not me, I've shot much bigger and badder, the shots feel good as soon as I pull the trigger, however when I look back down the scope I see a flier 1 inch away from the other 3 rounds. </p><p></p><p>I got to thinking about everything that would affect the situation. I know the mounts/rings are good. I know the scope is good. I know the stock/rifle contact is good. The load seems to be good as it will one hole 3 rounds; I mean groups in the .2's .3's CTC. </p><p></p><p>I moved over to the 200 yard range, same thing. Groups about .5-.6 for 3 rounds, but when I shoot 5 it opens the group up to 1.2-2.0 </p><p></p><p>I was wondering, I had heard that Federal GM215M Primers were the "coldest" of the magnum primers. Any truth to this?</p><p></p><p>I've never experienced an ignition problem in a rifle before so I don't really know what to look for. I do know when setting off 98gr of powder it wouldn't be hard to get them. I was wondering if others are using 215M primers on big mags, or if they move to something a bit hotter say a WLRM? </p><p></p><p>The rifle is basically a factory stock 700 Sendero. I've glass bedded it, added an aftermarket trigger and tuned it down to about 1/2lb. I've got a Leupold 8.5-25x50LRT sitting on top.</p><p></p><p>Questions, thoughts, comments?</p></blockquote><p></p>
[QUOTE="Waffen, post: 130019, member: 4311"] Gentlemen, I recently found a load that I can FINALLY get to shoot out of my Rem 700 in 300 RUM, however it seems to be a bit inconsistent. I just got back from the range today where I fired 30 rounds of the exact same load. Temps were about 50 degrees. I can put 3 rounds in the exact same hole at 100 yards without problem, however when I shoot a 5 shot group at least two of the rounds are "flyers". I can't really explain it. I KNOW it's not me, I've shot much bigger and badder, the shots feel good as soon as I pull the trigger, however when I look back down the scope I see a flier 1 inch away from the other 3 rounds. I got to thinking about everything that would affect the situation. I know the mounts/rings are good. I know the scope is good. I know the stock/rifle contact is good. The load seems to be good as it will one hole 3 rounds; I mean groups in the .2's .3's CTC. I moved over to the 200 yard range, same thing. Groups about .5-.6 for 3 rounds, but when I shoot 5 it opens the group up to 1.2-2.0 I was wondering, I had heard that Federal GM215M Primers were the "coldest" of the magnum primers. Any truth to this? I've never experienced an ignition problem in a rifle before so I don't really know what to look for. I do know when setting off 98gr of powder it wouldn't be hard to get them. I was wondering if others are using 215M primers on big mags, or if they move to something a bit hotter say a WLRM? The rifle is basically a factory stock 700 Sendero. I've glass bedded it, added an aftermarket trigger and tuned it down to about 1/2lb. I've got a Leupold 8.5-25x50LRT sitting on top. Questions, thoughts, comments? [/QUOTE]
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Reloading
Primer/Ignition question?
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