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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
7 mm SHERMAN SHORTMAG vs 7 SAUM
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<blockquote data-quote="5RWill" data-source="post: 1398680" data-attributes="member: 98561"><p>Well Rich i didn't realize that was you i was talking to on that PRC thread. After some reading on your cartridge, i'm sold. Seems to have remedied the glaring weakness of the 7 SAUM which was OAL restrictions. Velocity is outstanding, brass is lasting as you said. So yeah i'm 100% on board, going to try and find a barrel this summer for my TL3 to be spun up. Looking to snag a proof if i can catch a deal on one and it doesn't require inlet on my EH1, but might stick with a #4 bartlein. I'll be cutting to 24" to save a bit of length with the can. Maybe shoot for 3000-3100 with 175/180s, if applicable without too much pressure.</p><p></p><p>What is the FB on the reamer specs? I imagine i'd have it throated long like i did our 6.5 SAUM. Which i had the lands at 2.970 with a 140gr EH which was the OAL restriction of the alpha and accurate mags we're using. I've been running everything 10 thou off the lands so cutting it close. Might cut shorter than that to allow room to chase but idk that it would be shot that much.</p><p></p><p>Have you tried H1000 or 7977? We've been running H1000 but it's so **** dirty i stopped and went to RL26 which from my understanding allows more speed regardless. 7977 should be cleaner though going on my previous experience with both enduron powders (4166,4451). Just curious as i know those two powders are extremely temp stable, where as RL26 seems to have various opinions on it's stability.</p></blockquote><p></p>
[QUOTE="5RWill, post: 1398680, member: 98561"] Well Rich i didn't realize that was you i was talking to on that PRC thread. After some reading on your cartridge, i'm sold. Seems to have remedied the glaring weakness of the 7 SAUM which was OAL restrictions. Velocity is outstanding, brass is lasting as you said. So yeah i'm 100% on board, going to try and find a barrel this summer for my TL3 to be spun up. Looking to snag a proof if i can catch a deal on one and it doesn't require inlet on my EH1, but might stick with a #4 bartlein. I'll be cutting to 24" to save a bit of length with the can. Maybe shoot for 3000-3100 with 175/180s, if applicable without too much pressure. What is the FB on the reamer specs? I imagine i'd have it throated long like i did our 6.5 SAUM. Which i had the lands at 2.970 with a 140gr EH which was the OAL restriction of the alpha and accurate mags we're using. I've been running everything 10 thou off the lands so cutting it close. Might cut shorter than that to allow room to chase but idk that it would be shot that much. Have you tried H1000 or 7977? We've been running H1000 but it's so **** dirty i stopped and went to RL26 which from my understanding allows more speed regardless. 7977 should be cleaner though going on my previous experience with both enduron powders (4166,4451). Just curious as i know those two powders are extremely temp stable, where as RL26 seems to have various opinions on it's stability. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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7 mm SHERMAN SHORTMAG vs 7 SAUM
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