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Rifles, Reloading, Optics, Equipment
Equipment Discussions
6.5WSM
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<blockquote data-quote="Fiftydriver" data-source="post: 132189" data-attributes="member: 10"><p>Vivtor,</p><p></p><p>Well, if someone is getting 3400 fps with a 140 gr pill in a 6.5mm WSM they are either running a 40" barrel or running pressures to blowing primer pocket pressures or more then likely a combo of both.</p><p></p><p>A 6.5mm WSM will not outperform a 264 Win Mag loaded to the same chamber pressure in the same length of usible barrel. 3150 to possibly 3200 fps will be all you will get in the 6.5mm WSM in a conventional length barrel, even a long one at 28".</p><p></p><p>My 6.5mm AX is a 300 Dakota necked down to 6.5mm and blown out as much as possible and it will get you around 3400-3425 fps in a 27" barrel with a 140 gr bullet and not much more.</p><p></p><p>You hear the comment alot that a round will get 3400 fps but is only accurate around 3000-3100 fps. Thats funny, thats the top end of where the round should be anyway, the 3400 fps part of the comment is generally greatly exaggerated in most every case, not only with the 6.5mm caliber but most other rounds.</p><p></p><p>Most cartridges will be most consistant in their top working pressure ranges of around 60,000 to 65,000 psi. So those that say they can get substantially more velocity then they are using but down load for accuracy are generally either full of hot air or they pushed their rifle WAY to hard during load development.</p><p></p><p>As far as dies go, all of my customers just called up Redding and ordered dies from them. They are a catalog item and my reamer is the standard 270 WSM necked down to 6.5mm. The Redding dies work very well.</p><p></p><p>3. I would have to look up my load for my XP-100 but it is driving a 120 gr Ballistic Tip to just shy of 3100 fps in a 15" barrel. I was planning on shooting the 140 class bullets but the 120s shot so well I have never changed from those!! </p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 132189, member: 10"] Vivtor, Well, if someone is getting 3400 fps with a 140 gr pill in a 6.5mm WSM they are either running a 40" barrel or running pressures to blowing primer pocket pressures or more then likely a combo of both. A 6.5mm WSM will not outperform a 264 Win Mag loaded to the same chamber pressure in the same length of usible barrel. 3150 to possibly 3200 fps will be all you will get in the 6.5mm WSM in a conventional length barrel, even a long one at 28". My 6.5mm AX is a 300 Dakota necked down to 6.5mm and blown out as much as possible and it will get you around 3400-3425 fps in a 27" barrel with a 140 gr bullet and not much more. You hear the comment alot that a round will get 3400 fps but is only accurate around 3000-3100 fps. Thats funny, thats the top end of where the round should be anyway, the 3400 fps part of the comment is generally greatly exaggerated in most every case, not only with the 6.5mm caliber but most other rounds. Most cartridges will be most consistant in their top working pressure ranges of around 60,000 to 65,000 psi. So those that say they can get substantially more velocity then they are using but down load for accuracy are generally either full of hot air or they pushed their rifle WAY to hard during load development. As far as dies go, all of my customers just called up Redding and ordered dies from them. They are a catalog item and my reamer is the standard 270 WSM necked down to 6.5mm. The Redding dies work very well. 3. I would have to look up my load for my XP-100 but it is driving a 120 gr Ballistic Tip to just shy of 3100 fps in a 15" barrel. I was planning on shooting the 140 class bullets but the 120s shot so well I have never changed from those!! Kirby Allen(50) [/QUOTE]
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