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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My 338 Sherman Shortmag
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<blockquote data-quote="tim_w" data-source="post: 1457581" data-attributes="member: 11132"><p>Looks great!!! Those loaded rounds look evil. I have found Remington brass to tend to be softer than all except hrdy ( they started making it in house). Not sure on the RSAUM or RUM as I have not used those in Rem brand. Not my first choice but if its what I had I prepped and shot it.</p><p></p><p>Looks like once the barrel is "broken in" and you have some Bertram cases you will be max 2800 fps with RL17 and the 250 EH. You might gain 50ps after you get some down the tube. See what you get for a max load after you get 100 or so down the tube. </p><p></p><p>Given the bore to powder ratio you are looking at very long barrel life i.e 4K+ The Norma Mags are 3K+ for the SS barrels if you take care of them.</p><p></p><p>Well seeing this I am believing a 375SS using the 260 AB really can hit 2600+ out of a 24". As vel for weight of bullet goes up with bore size this really seems doable WOW. The 375 H&H vel for the 260AB 24" low 2450 fps high 2800 fps basically 70-80 grains of powder to reach those vel.</p><p></p><p></p><p>Looking forward to seeing what accuracy you get from your tuned load.</p></blockquote><p></p>
[QUOTE="tim_w, post: 1457581, member: 11132"] Looks great!!! Those loaded rounds look evil. I have found Remington brass to tend to be softer than all except hrdy ( they started making it in house). Not sure on the RSAUM or RUM as I have not used those in Rem brand. Not my first choice but if its what I had I prepped and shot it. Looks like once the barrel is "broken in" and you have some Bertram cases you will be max 2800 fps with RL17 and the 250 EH. You might gain 50ps after you get some down the tube. See what you get for a max load after you get 100 or so down the tube. Given the bore to powder ratio you are looking at very long barrel life i.e 4K+ The Norma Mags are 3K+ for the SS barrels if you take care of them. Well seeing this I am believing a 375SS using the 260 AB really can hit 2600+ out of a 24". As vel for weight of bullet goes up with bore size this really seems doable WOW. The 375 H&H vel for the 260AB 24" low 2450 fps high 2800 fps basically 70-80 grains of powder to reach those vel. Looking forward to seeing what accuracy you get from your tuned load. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
My 338 Sherman Shortmag
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