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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Barrel Length for .260 or 6.5 creedmoor?
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<blockquote data-quote="PrecisionRifleBlog" data-source="post: 828462" data-attributes="member: 69537"><p>I know a couple people that still reference this thread, and I had some empirical data I thought might help others trying to figure this out. Essentially one of my closest friends has two Surgeon rifles chambered in 6.5 Creedmoor, and he has tried out a 26" barrel as well as a 22" barrel (both with the same heavy MTU contour and rifle setup). He has fired both guns 1,000+ rounds and shot over his Oehler 35P chronograph regularly. It is really a pretty great experiment, and I thought others might like to know what we found.</p><p></p><ul> <li data-xf-list-type="ul"><strong>26" Barrel: 2860 fps </strong>- This is what he was getting after 1,200 rounds (no suppressor)<br /> <br /> </li> <li data-xf-list-type="ul"><strong>22" Barrel: 2805 fps</strong> - This is what he was getting after 800 rounds (no suppressor)<br /> <br /> </li> <li data-xf-list-type="ul"><strong>22" Barrel w/ Suppressor: 2833 fps</strong> - This is what the was getting after adding a 30P-1 suppressor made by Thunder Beast Arms.<br /> </li> </ul><p>Overall he only lost 55 fps after cutting off 4" of barrel, and after adding a suppressor it cut that to only 27 fps. That is only 2/10 of a mil (2 clicks) at 1,000 yards. He couldn't be more happy with that trade. He shoots that 22" 6.5 Creedmoor rifle out to 1,200 yards regularly without any issues. Beyond that he breaks out his Sako TRG-42 in 338 Lapua ... but who wouldn't?</p><p></p><p>I wrote a blog post with more complete details. If anyone is interested, you can check it out here: </p><p></p><p><strong><a href="http://precisionrifleblog.com/2013/07/16/6-5-creedmoor-barrel-length-and-muzzle-velocity/" target="_blank">http://precisionrifleblog.com/2013/07/16/6-5-creedmoor-barrel-length-and-muzzle-velocity/</a></strong></p></blockquote><p></p>
[QUOTE="PrecisionRifleBlog, post: 828462, member: 69537"] I know a couple people that still reference this thread, and I had some empirical data I thought might help others trying to figure this out. Essentially one of my closest friends has two Surgeon rifles chambered in 6.5 Creedmoor, and he has tried out a 26" barrel as well as a 22" barrel (both with the same heavy MTU contour and rifle setup). He has fired both guns 1,000+ rounds and shot over his Oehler 35P chronograph regularly. It is really a pretty great experiment, and I thought others might like to know what we found. [list] [*][B]26" Barrel: 2860 fps [/B]- This is what he was getting after 1,200 rounds (no suppressor) [*][B]22" Barrel: 2805 fps[/B] - This is what he was getting after 800 rounds (no suppressor) [*][B]22" Barrel w/ Suppressor: 2833 fps[/B] - This is what the was getting after adding a 30P-1 suppressor made by Thunder Beast Arms. [/list] Overall he only lost 55 fps after cutting off 4" of barrel, and after adding a suppressor it cut that to only 27 fps. That is only 2/10 of a mil (2 clicks) at 1,000 yards. He couldn't be more happy with that trade. He shoots that 22" 6.5 Creedmoor rifle out to 1,200 yards regularly without any issues. Beyond that he breaks out his Sako TRG-42 in 338 Lapua ... but who wouldn't? I wrote a blog post with more complete details. If anyone is interested, you can check it out here: [B][url]http://precisionrifleblog.com/2013/07/16/6-5-creedmoor-barrel-length-and-muzzle-velocity/[/url][/B] [/QUOTE]
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Barrel Length for .260 or 6.5 creedmoor?
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