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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 RUM loads, pressure signs?
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<blockquote data-quote="300 Rem" data-source="post: 230237" data-attributes="member: 12750"><p>Shooting Rem 700 SS .300 RUM, 26" barrel and I'm interested in other shooters' favorite loads. I've read about quite a few and it seems I'm using a fairly mild load (92.5gr Reloder 25, 180 gr Swift Scirocco, 3100 fps). Even with this load I get slight ejector marks on the case head (small circular imprint), which on some cases is hard to distinguish. Is this sign alone reason to be concerned? I've probably shot 100 rounds of this load, and it shoots well. </p><p> </p><p>I'm trying to work up a load using 180 Nosler Accubonds and thinking about giving Retumbo a try. I tried several "mild" loads using this projectile and IMR 4350 (80 and 81 gr) and also the same 92.5 gr RL-25. All of these case heads show the same faint ejector mark as my Scirocco load. I haven't had any trouble shooting sub-MOA groups, just curious about the possible pressure signs. At these charges I'm already not reaping the true benefit of the .300 RUM, trajectory-wise. </p><p> </p><p>I guess the question is, are these marks common on most other shooters' loads? Or is this just my bad luck with my particular rifle? The cases I'm using are Rem, full-length resized, trimmed to 2.843", cleaned primer pocket, deburred flash hole, COL 3.603", using Fed 215 primers. </p><p> </p><p>Interested in favorite loads (with 180 gr) and other reloaders' experiences.</p><p> </p><p>Thanks in advance</p></blockquote><p></p>
[QUOTE="300 Rem, post: 230237, member: 12750"] Shooting Rem 700 SS .300 RUM, 26" barrel and I'm interested in other shooters' favorite loads. I've read about quite a few and it seems I'm using a fairly mild load (92.5gr Reloder 25, 180 gr Swift Scirocco, 3100 fps). Even with this load I get slight ejector marks on the case head (small circular imprint), which on some cases is hard to distinguish. Is this sign alone reason to be concerned? I've probably shot 100 rounds of this load, and it shoots well. I'm trying to work up a load using 180 Nosler Accubonds and thinking about giving Retumbo a try. I tried several "mild" loads using this projectile and IMR 4350 (80 and 81 gr) and also the same 92.5 gr RL-25. All of these case heads show the same faint ejector mark as my Scirocco load. I haven't had any trouble shooting sub-MOA groups, just curious about the possible pressure signs. At these charges I'm already not reaping the true benefit of the .300 RUM, trajectory-wise. I guess the question is, are these marks common on most other shooters' loads? Or is this just my bad luck with my particular rifle? The cases I'm using are Rem, full-length resized, trimmed to 2.843", cleaned primer pocket, deburred flash hole, COL 3.603", using Fed 215 primers. Interested in favorite loads (with 180 gr) and other reloaders' experiences. Thanks in advance [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
.300 RUM loads, pressure signs?
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