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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
6.5mm Craze? 264WM vs 6.5 SAUM vs 6.5 PRC?
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<blockquote data-quote="Mike D Texas" data-source="post: 2412891" data-attributes="member: 71221"><p>Thanks for the kind words. I have stopped chasing lands because I have 2 guns with ridiculously long throats/freebore and the are both 1/2" or better guns. One is my 257 Wby I mentioned the other is a R700 5R Milspec in 308. I run accurate mags in it with bullets seated at 2.95 and I still have on average .0050" to touch the lands with most bullets I shoot. It that gun is a 1/2" gun as well. What also appears to happen with more freebore is you can drive the cartridge harder without pressure signs as easily. I have run my 257 Wby up to 3650fps with 115 VLDs before getting stiff bolt lift. I've run the .308 up to 2968fps with 168 ABLR and it only has a 20" barrel. I know speed isn't everything but it is nice for keeping down range velocity up for a bit further. </p><p></p><p>I get what you are saying, most BR shooters kiss or jam into the lands but I'm not so sure it matters as much as previously believed.</p></blockquote><p></p>
[QUOTE="Mike D Texas, post: 2412891, member: 71221"] Thanks for the kind words. I have stopped chasing lands because I have 2 guns with ridiculously long throats/freebore and the are both 1/2” or better guns. One is my 257 Wby I mentioned the other is a R700 5R Milspec in 308. I run accurate mags in it with bullets seated at 2.95 and I still have on average .0050” to touch the lands with most bullets I shoot. It that gun is a 1/2” gun as well. What also appears to happen with more freebore is you can drive the cartridge harder without pressure signs as easily. I have run my 257 Wby up to 3650fps with 115 VLDs before getting stiff bolt lift. I’ve run the .308 up to 2968fps with 168 ABLR and it only has a 20” barrel. I know speed isn’t everything but it is nice for keeping down range velocity up for a bit further. I get what you are saying, most BR shooters kiss or jam into the lands but I’m not so sure it matters as much as previously believed. [/QUOTE]
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6.5mm Craze? 264WM vs 6.5 SAUM vs 6.5 PRC?
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