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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
So, should I change barrels?
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<blockquote data-quote="SBruce" data-source="post: 866846" data-attributes="member: 21068"><p>Derek,</p><p> </p><p>I did a lot of study on barrel lengths and velocities with the 6.5-284 before buying mine. What I found through research, for the most part, is that cartridge really needs a 26" or longer barrel to get all the "goods" out of it when shooting 140's. I've read seemingly countless posts from others that couldn't get the velocity they wanted with a 24" barrel. Seems like most 1000 yd competition shooters using that cartridge are picking 27-29" barrels and using slow powders.</p><p> </p><p>Perhaps R17 or 4350 will get you close enough to your goal that another tube isn't necessary........only way to know is to try I guess. Some of the competition guys are using 4350 with good results.</p><p> </p><p>One thing to keep in mind is this: Even if we can only get 2900'/sec. with the 140 VLD.......we've theoretically still got enough energy and velocity at 925 yds for a clean kill on antelope and deer. Getting 3000'/sec only increases that distance to 1000 yds (I am speaking of at least 1800'/sec, and at least 1000 ftlbs of energy on target, based on my elevation of 4200'). If you drop the bullet down to the 130 gr. NAB, we've also dropped our maximum effective range to 800 yds and that's assuming we can get it up to 3100'/sec!! Perhaps switching to the 129 gr. Long Range Accubond would kinda split the difference, but I don't know if they're available. I haven't seen any on the shelves yet.</p><p> </p><p>Hopefully you're seeing promise as far as accuracy goes.? My 2 cents would be; if it's accurate and you're getting around 2900'/sec.........run with it. </p><p> </p><p>Best of luck and hopefully this helps the decision some.</p></blockquote><p></p>
[QUOTE="SBruce, post: 866846, member: 21068"] Derek, I did a lot of study on barrel lengths and velocities with the 6.5-284 before buying mine. What I found through research, for the most part, is that cartridge really needs a 26" or longer barrel to get all the "goods" out of it when shooting 140's. I've read seemingly countless posts from others that couldn't get the velocity they wanted with a 24" barrel. Seems like most 1000 yd competition shooters using that cartridge are picking 27-29" barrels and using slow powders. Perhaps R17 or 4350 will get you close enough to your goal that another tube isn't necessary........only way to know is to try I guess. Some of the competition guys are using 4350 with good results. One thing to keep in mind is this: Even if we can only get 2900'/sec. with the 140 VLD.......we've theoretically still got enough energy and velocity at 925 yds for a clean kill on antelope and deer. Getting 3000'/sec only increases that distance to 1000 yds (I am speaking of at least 1800'/sec, and at least 1000 ftlbs of energy on target, based on my elevation of 4200'). If you drop the bullet down to the 130 gr. NAB, we've also dropped our maximum effective range to 800 yds and that's assuming we can get it up to 3100'/sec!! Perhaps switching to the 129 gr. Long Range Accubond would kinda split the difference, but I don't know if they're available. I haven't seen any on the shelves yet. Hopefully you're seeing promise as far as accuracy goes.? My 2 cents would be; if it's accurate and you're getting around 2900'/sec.........run with it. Best of luck and hopefully this helps the decision some. [/QUOTE]
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Rifles, Bullets, Barrels & Ballistics
So, should I change barrels?
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