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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm sherman max
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<blockquote data-quote="JTH" data-source="post: 2266448" data-attributes="member: 59647"><p>Shot some more today after thoroughly scrubbing the barrel. I ran some 131 grain hammer hunters through it, using H4831sc, building up to 71.3 grains, where I hit pressure at 3,541 FPS. More work to do on that load but it looks promising.</p><p></p><p>Cleaned the barrel again, and took another stab at the 195 EOL with N570. Worked my way up to 69.0 grains where the bolt lift stiffened a little and had a very faint ejector mark. At 68.5 grains it produced a nice group running 2,925 FPS.</p><p></p><p>Picture is from the 195 EOL's. It's only a 3 round group, but SD of 4.7 seems like I'm on the right path. </p><p></p><p>[ATTACH=full]292522[/ATTACH]</p></blockquote><p></p>
[QUOTE="JTH, post: 2266448, member: 59647"] Shot some more today after thoroughly scrubbing the barrel. I ran some 131 grain hammer hunters through it, using H4831sc, building up to 71.3 grains, where I hit pressure at 3,541 FPS. More work to do on that load but it looks promising. Cleaned the barrel again, and took another stab at the 195 EOL with N570. Worked my way up to 69.0 grains where the bolt lift stiffened a little and had a very faint ejector mark. At 68.5 grains it produced a nice group running 2,925 FPS. Picture is from the 195 EOL’s. It’s only a 3 round group, but SD of 4.7 seems like I’m on the right path. [ATTACH type="full" alt="757A4664-1A7D-4C55-8141-551C4AFF49BF.jpeg"]292522[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7mm sherman max
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