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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New .264 WM owner has questions...
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<blockquote data-quote="rooster721" data-source="post: 694374" data-attributes="member: 40654"><p>...I forgot to mention:</p><p> </p><p>Far as the "too much velocity for thin-jacketed bullets" goes.. NO - you'll have a hard time getting that fast outta your 70 unless you're loading very-very hot!! ...and not safe</p><p> </p><p>I started to see 168's (Bergers) fly apart for me through my 7mm Lazzeroni last winter.. couldn't figure out *** was going on. I had them up over 3300 fps and at 100 yards would get one, sometimes two outta three to even reach the paper!!! I started looking into it, and later through Kirby actually (Allen Magnums) finally realized what was happening with my missing bullets!! ..needless to say, dropped to 3200 +/- & now they're fine...</p><p> </p><p>264 won't (or shouldn't anyway) safely shoot a <strong>140gr </strong>bullet over 3300fps.. not that I have seen or tried** 3300 is right about where that thin-jacketing/velocity issue comes into play</p><p> </p><p>fwiw.. I have started wondering whether a 5-R barrel might possibly solve that problem** (lapped/smoothed rifling of the 5-R MAY possibly reduce the friction enough to increase a higher velocity "limit" from the 3300 to..????) But I haven't YET (myself) tried.. no 5-R barrel!! ...that's still to come**</p><p> </p><p>Anyhow, again.. Goodluck</p></blockquote><p></p>
[QUOTE="rooster721, post: 694374, member: 40654"] ...I forgot to mention: Far as the "too much velocity for thin-jacketed bullets" goes.. NO - you'll have a hard time getting that fast outta your 70 unless you're loading very-very hot!! ...and not safe I started to see 168's (Bergers) fly apart for me through my 7mm Lazzeroni last winter.. couldn't figure out *** was going on. I had them up over 3300 fps and at 100 yards would get one, sometimes two outta three to even reach the paper!!! I started looking into it, and later through Kirby actually (Allen Magnums) finally realized what was happening with my missing bullets!! ..needless to say, dropped to 3200 +/- & now they're fine... 264 won't (or shouldn't anyway) safely shoot a [B]140gr [/B]bullet over 3300fps.. not that I have seen or tried** 3300 is right about where that thin-jacketing/velocity issue comes into play fwiw.. I have started wondering whether a 5-R barrel might possibly solve that problem** (lapped/smoothed rifling of the 5-R MAY possibly reduce the friction enough to increase a higher velocity "limit" from the 3300 to..????) But I haven't YET (myself) tried.. no 5-R barrel!! ...that's still to come** Anyhow, again.. Goodluck [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New .264 WM owner has questions...
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