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Hunting
Long Range Hunting & Shooting
338 rum
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<blockquote data-quote="angus-5024" data-source="post: 632845" data-attributes="member: 10306"><p>When your primer raises like that its a pressure sign. I would say that you would do well not to go above your 93 grains. </p><p> </p><p>I have a 26" barrell on my .338 RUM and with 94 grains Retumbo Im getting right around the 2815-2820 at my elevation. you should be running a little faster with you 30" even though a grain less charge.</p><p> </p><p>I cant stress it enough, a chronogragh is seriously as important to long range shooting as a scope with turrets or hold-over reticle... you cant be effective at it without one (even though I've seen some old timers do some crazy stuff with ol' kentucky windage, still not great). I tried for a long time estimating my velocity. when I broke down and bought a chrony my game got 10x better overnight.</p><p> </p><p>*EDIT* I have a "shooter" chrony, cheap but it works.</p></blockquote><p></p>
[QUOTE="angus-5024, post: 632845, member: 10306"] When your primer raises like that its a pressure sign. I would say that you would do well not to go above your 93 grains. I have a 26" barrell on my .338 RUM and with 94 grains Retumbo Im getting right around the 2815-2820 at my elevation. you should be running a little faster with you 30" even though a grain less charge. I cant stress it enough, a chronogragh is seriously as important to long range shooting as a scope with turrets or hold-over reticle... you cant be effective at it without one (even though I've seen some old timers do some crazy stuff with ol' kentucky windage, still not great). I tried for a long time estimating my velocity. when I broke down and bought a chrony my game got 10x better overnight. *EDIT* I have a "shooter" chrony, cheap but it works. [/QUOTE]
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