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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Sherman Build (This Is My Boomstick!)
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<blockquote data-quote="benchracer" data-source="post: 1365204" data-attributes="member: 22069"><p>After giving the matter further thought, I decided to test five different .010" increments, with the idea of casting a wide enough net to give myself the best chance of finding an accurate seating depth. With that in mind, I decided to back the throttle down to the next node for the sake of safety.</p><p></p><p>As it turned out, I only needed to back off an additional .010" from my initial seating depth of 3.565". I found what I was looking for at 3.555 and .020" off the lands. At its widest point, the group measured .232 center-to-center.</p><p></p><p>From here, I intend to throttle back up to the vicinity of 62.0 to fine tune the load.</p><p></p><p>Rich initially designed the 338 Sherman around the Berger 250 EH. I'd say he nailed it AGAIN! I expected this cartridge to shoot, but wasn't expecting results like these![ATTACH=full]84417[/ATTACH]</p></blockquote><p></p>
[QUOTE="benchracer, post: 1365204, member: 22069"] After giving the matter further thought, I decided to test five different .010" increments, with the idea of casting a wide enough net to give myself the best chance of finding an accurate seating depth. With that in mind, I decided to back the throttle down to the next node for the sake of safety. As it turned out, I only needed to back off an additional .010" from my initial seating depth of 3.565". I found what I was looking for at 3.555 and .020" off the lands. At its widest point, the group measured .232 center-to-center. From here, I intend to throttle back up to the vicinity of 62.0 to fine tune the load. Rich initially designed the 338 Sherman around the Berger 250 EH. I'd say he nailed it AGAIN! I expected this cartridge to shoot, but wasn't expecting results like these![ATTACH=full]84417[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
338 Sherman Build (This Is My Boomstick!)
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