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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
28 Nosler, Terrible barrel burner??
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<blockquote data-quote="rsaxtonwyo" data-source="post: 1323335" data-attributes="member: 42407"><p>1:8 twist might work ok for a 7mm-08 in an AR, maybe not so good in a higher velocity 7mm like 28 Nosler, 7mm Dakota, or 7mm STW. 7mm WSM is 1:9.5, as are several other factory rifles. Twist rate shouldn't be any faster than required to stabilize the bullet, and a lot depends on rifling (4 groove or 5R Krieger, Pac-Nor polygon, Shilen Ratchet), I doubt any barrel maker or factory rifle would advise a 1:8 twist for a 160 grain bullet at 3300 fps. I've had very good accuracy with 1:9.35 and 1:9.5 twist with 168 Berger and Sierra bullets. Just my experience. </p><p>So, actually I was asking if anyone out there has used the RE-23 or RE-26 powder with the 7mm Dakota. I've used the RE-23, 74.2gr with 168 Sierra HPBT match, Fed 215 match, 3256 fps, very accurate, 5 shot 5/8" group @ 200 yards, 26" Shilen 1:9 ratchet 5 groove. Anyone with experience to compare with .28 Nosler, same type bullet etc. Alliant and Nosler hyped up the RE-26 and RE-23 for the 28 Nosler, but I notice the new Nosler reloading manual actually recommends Norma 217 as most accurate for 160 grain bullet. So, any experience on the 28, finicky for loads etc.?</p></blockquote><p></p>
[QUOTE="rsaxtonwyo, post: 1323335, member: 42407"] 1:8 twist might work ok for a 7mm-08 in an AR, maybe not so good in a higher velocity 7mm like 28 Nosler, 7mm Dakota, or 7mm STW. 7mm WSM is 1:9.5, as are several other factory rifles. Twist rate shouldn't be any faster than required to stabilize the bullet, and a lot depends on rifling (4 groove or 5R Krieger, Pac-Nor polygon, Shilen Ratchet), I doubt any barrel maker or factory rifle would advise a 1:8 twist for a 160 grain bullet at 3300 fps. I've had very good accuracy with 1:9.35 and 1:9.5 twist with 168 Berger and Sierra bullets. Just my experience. So, actually I was asking if anyone out there has used the RE-23 or RE-26 powder with the 7mm Dakota. I've used the RE-23, 74.2gr with 168 Sierra HPBT match, Fed 215 match, 3256 fps, very accurate, 5 shot 5/8" group @ 200 yards, 26" Shilen 1:9 ratchet 5 groove. Anyone with experience to compare with .28 Nosler, same type bullet etc. Alliant and Nosler hyped up the RE-26 and RE-23 for the 28 Nosler, but I notice the new Nosler reloading manual actually recommends Norma 217 as most accurate for 160 grain bullet. So, any experience on the 28, finicky for loads etc.? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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28 Nosler, Terrible barrel burner??
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