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Rifles, Reloading, Optics, Equipment
Reloading
New 257 STW
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<blockquote data-quote="Fiftydriver" data-source="post: 108590" data-attributes="member: 10"><p>Bjlooper,</p><p></p><p>I would say with the barrel length you are using you are getting more velocity then you should be with that bullet.</p><p></p><p>The Pac Nor will probably be faster then the Liljas I generally use because the Liljas have tighter bores but in your barrel length, I have found a 27" Lilja barreled 257 STW will begin to loosen primer pockets at around 3800-3850 fps.</p><p></p><p>Many smiths say 4100 fps with a 100 gr bullet is possible in the STW in a 28" barrel. From what I have seen with over a dozen different 257 STWs is that they are being extremely optimistic about velocity potential of the round in this length barrel.</p><p></p><p>In a Lilja 30" pipe, 3950 fps is about the top comfortable load with a 100 gr bullet. As I said, your Pac Nor will more then likely have a bit looser bore which will allow a bit more velocity but I would have to say you are topped out where you are. In fact I am suprised your getting that much velocity to be honest.</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 108590, member: 10"] Bjlooper, I would say with the barrel length you are using you are getting more velocity then you should be with that bullet. The Pac Nor will probably be faster then the Liljas I generally use because the Liljas have tighter bores but in your barrel length, I have found a 27" Lilja barreled 257 STW will begin to loosen primer pockets at around 3800-3850 fps. Many smiths say 4100 fps with a 100 gr bullet is possible in the STW in a 28" barrel. From what I have seen with over a dozen different 257 STWs is that they are being extremely optimistic about velocity potential of the round in this length barrel. In a Lilja 30" pipe, 3950 fps is about the top comfortable load with a 100 gr bullet. As I said, your Pac Nor will more then likely have a bit looser bore which will allow a bit more velocity but I would have to say you are topped out where you are. In fact I am suprised your getting that much velocity to be honest. Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
New 257 STW
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