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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Moving from 338 to 7mm.
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<blockquote data-quote="Lefty7mmstw" data-source="post: 1131997" data-attributes="member: 48043"><p>This is nearly the opposite direction of where I'm going with my rifles. I just picked up a remmy 700lr in 300rum... I plan on turning my existing 300rum ( a m700 bdl lh) into either an edge or 338rum. The build will likely be done next summer if/when finances allow. Properly loaded, the brass will last ten cycles or better, so 100 rounds of brass will last a good while.</p><p> </p><p>I did build a lh m700 in 7stw this year, but that had as much to do with component inventory as cartridge selection. I really like my big 7mm's, but I don't know if I'll ever go as small as a 7rem for a belted cartridge again unless it is a rifle for my kids. I really don't see the reason to use a belted (7rem) for the little bit of gain you get over the 270/280 rifles.</p><p> </p><p>Good luck to you on your 7rem; they work, but I'd look at a bigger 7mm like the 7x300 first. I've had a few 7rems, and I don't currently own one.</p><p></p><p>As far as twist, I would only look at 8" twist... The lighter bullets, say 140 and heavier, will shoot just fine on a 8" twist, but you will not spin your pills fast enough if you ever decide to go with a heavyweight if you go with a 9" or slower. I put a 8" twist shilen select match on my 7mmstw and she loves the 195 berger and 140 nos ab.</p></blockquote><p></p>
[QUOTE="Lefty7mmstw, post: 1131997, member: 48043"] This is nearly the opposite direction of where I'm going with my rifles. I just picked up a remmy 700lr in 300rum... I plan on turning my existing 300rum ( a m700 bdl lh) into either an edge or 338rum. The build will likely be done next summer if/when finances allow. Properly loaded, the brass will last ten cycles or better, so 100 rounds of brass will last a good while. I did build a lh m700 in 7stw this year, but that had as much to do with component inventory as cartridge selection. I really like my big 7mm's, but I don't know if I'll ever go as small as a 7rem for a belted cartridge again unless it is a rifle for my kids. I really don't see the reason to use a belted (7rem) for the little bit of gain you get over the 270/280 rifles. Good luck to you on your 7rem; they work, but I'd look at a bigger 7mm like the 7x300 first. I've had a few 7rems, and I don't currently own one. As far as twist, I would only look at 8" twist... The lighter bullets, say 140 and heavier, will shoot just fine on a 8" twist, but you will not spin your pills fast enough if you ever decide to go with a heavyweight if you go with a 9" or slower. I put a 8" twist shilen select match on my 7mmstw and she loves the 195 berger and 140 nos ab. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Moving from 338 to 7mm.
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