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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338SS NOW A REALITY
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<blockquote data-quote="elkaholic" data-source="post: 1375247" data-attributes="member: 13833"><p>The Sherman family is growing with a firm order for a 338SS. I will be ordering the reamer this week. This is timely with the possibility of Head stamped brass looking like a reality. The 338 itself will not have its own head stamp for a while but will be easy to form from the smaller SS sizes. I will design the reamer so the neck wall should be correct with no need to neck turn.</p><p>I expect the 338 to launch the 250 Berger at 2800' from a 24" barrel,based on the performance of the long action 338 Sherman. It will do so with a coal to the lands of 2.970". The charge weight should be about 61 grains RL17. With these numbers, the SS will have 4363 ft/lbs M E, will need only 25 moa at 1000 yards, and carry 1000 ft/lbs. of energy past 1500 yards!</p><p>I could see this chambering being a "do all" big game rifle. With say a 24" #5 contour barrel on a true short action, it would not be too heavy or long to pack. It would be a real thumper at close range, and with a loading as described above, could easily be a 1000 yard rifle when you hit the open country. I would also see some very useful big game loads with the mono's (STEVE)<img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite8" alt=":D" title="Big Grin :D" loading="lazy" data-shortname=":D" />.</p><p>Here is a pic loaded with the dummy round that will go to JGS for throating purposes.......Rich</p><p>[ATTACH=full]86063[/ATTACH] </p><p></p><p></p><p></p><p></p><p></p><p></p><p>i</p></blockquote><p></p>
[QUOTE="elkaholic, post: 1375247, member: 13833"] The Sherman family is growing with a firm order for a 338SS. I will be ordering the reamer this week. This is timely with the possibility of Head stamped brass looking like a reality. The 338 itself will not have its own head stamp for a while but will be easy to form from the smaller SS sizes. I will design the reamer so the neck wall should be correct with no need to neck turn. I expect the 338 to launch the 250 Berger at 2800' from a 24" barrel,based on the performance of the long action 338 Sherman. It will do so with a coal to the lands of 2.970". The charge weight should be about 61 grains RL17. With these numbers, the SS will have 4363 ft/lbs M E, will need only 25 moa at 1000 yards, and carry 1000 ft/lbs. of energy past 1500 yards! I could see this chambering being a "do all" big game rifle. With say a 24" #5 contour barrel on a true short action, it would not be too heavy or long to pack. It would be a real thumper at close range, and with a loading as described above, could easily be a 1000 yard rifle when you hit the open country. I would also see some very useful big game loads with the mono's (STEVE):D. Here is a pic loaded with the dummy round that will go to JGS for throating purposes.......Rich [ATTACH=full]86063[/ATTACH] i [/QUOTE]
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338SS NOW A REALITY
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