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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 ruger to 30/375 s.i.
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<blockquote data-quote="Pdvdh" data-source="post: 1253585" data-attributes="member: 4191"><p>I'm shooting the HBN coated 215s at 3,050fps MV out of a 26" barrel. With Hornady brass, I'm running pressures that will leave plunger marks on the case heads, but only infrequently (maybe 1 out of 10 shots fired). I'm measuring case head expansion with each shot fired also using my calipers. In other words, I'm running pretty close to what most would consider maximum pressures.</p><p></p><p>This with a 4-groove Krieger melonited barrel, 215gr HBN coated bullets, RL-33 powder, and Federal 215 primers. 87.6gr RL-33 with the bullets jammed about 0.010" into the lands. I'm at about 100% capacity with this powder charge. More powder would compress the powder while seating bullets.</p><p></p><p>I could up the pressures further but case life would go down. Nosler also makes .375 Ruger cases. They may be tougher than the Hornady brass. I've been too miserly to purchase them... <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" /></p><p></p><p>Spend $5,000 on a rifle and refuse to purchase cases @ $2.50 each. Go figure. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite11" alt=":rolleyes:" title="Roll Eyes :rolleyes:" loading="lazy" data-shortname=":rolleyes:" /></p></blockquote><p></p>
[QUOTE="Pdvdh, post: 1253585, member: 4191"] I'm shooting the HBN coated 215s at 3,050fps MV out of a 26" barrel. With Hornady brass, I'm running pressures that will leave plunger marks on the case heads, but only infrequently (maybe 1 out of 10 shots fired). I'm measuring case head expansion with each shot fired also using my calipers. In other words, I'm running pretty close to what most would consider maximum pressures. This with a 4-groove Krieger melonited barrel, 215gr HBN coated bullets, RL-33 powder, and Federal 215 primers. 87.6gr RL-33 with the bullets jammed about 0.010" into the lands. I'm at about 100% capacity with this powder charge. More powder would compress the powder while seating bullets. I could up the pressures further but case life would go down. Nosler also makes .375 Ruger cases. They may be tougher than the Hornady brass. I've been too miserly to purchase them... :) Spend $5,000 on a rifle and refuse to purchase cases @ $2.50 each. Go figure. :rolleyes: [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
375 ruger to 30/375 s.i.
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