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Rifles, Reloading, Optics, Equipment
Reloading
Best longrange 22-250 load and bullet
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<blockquote data-quote="brianwinzor" data-source="post: 64165" data-attributes="member: 1067"><p>Lerch, Judging from Freebore's experience with the Swift and his 1 in 12 twist barrel, then it is certainly worth trying the 69 grain Sierra's, but from my experience and also of many others, your chances of success are slim.</p><p></p><p>About 20 years ago, when the Hornady 68 and Sierra 69 HPBT's were released I built up a rifle with a Shilen 27 inch 1 in 12 twist barrel. Despite achieving about 3650 fps with these bullets, they would not stabilise, and keyholed into the target. </p><p></p><p>I am currently using the 69 grain Sierra's in a 22/250AI, in a 1 in 10 twist barrel, and they shoot sub 0.5 moa, with a variety of powders at velocities ranging from 3350 - 3430 fps. </p><p></p><p>The Nosler competition bullets with a bc of .440 which you mention, are the Nosler 80 grain HPBT, and I would be simply amazed if your 1 in 12 twist barrel could stabilise them.</p><p></p><p>I suggest that you certainly try the 69 grain Sierra, but if it doesn't work, then continue with the 55 grain BT's until the barrel is worn out. Then rebarrel with a 1 in 8 twist barrel, so that you can try your Nosler 80 grain bullets, and also give the 75 Amax a try as Jerry Teo suggests. Regards, Brian.</p></blockquote><p></p>
[QUOTE="brianwinzor, post: 64165, member: 1067"] Lerch, Judging from Freebore's experience with the Swift and his 1 in 12 twist barrel, then it is certainly worth trying the 69 grain Sierra's, but from my experience and also of many others, your chances of success are slim. About 20 years ago, when the Hornady 68 and Sierra 69 HPBT's were released I built up a rifle with a Shilen 27 inch 1 in 12 twist barrel. Despite achieving about 3650 fps with these bullets, they would not stabilise, and keyholed into the target. I am currently using the 69 grain Sierra's in a 22/250AI, in a 1 in 10 twist barrel, and they shoot sub 0.5 moa, with a variety of powders at velocities ranging from 3350 - 3430 fps. The Nosler competition bullets with a bc of .440 which you mention, are the Nosler 80 grain HPBT, and I would be simply amazed if your 1 in 12 twist barrel could stabilise them. I suggest that you certainly try the 69 grain Sierra, but if it doesn't work, then continue with the 55 grain BT's until the barrel is worn out. Then rebarrel with a 1 in 8 twist barrel, so that you can try your Nosler 80 grain bullets, and also give the 75 Amax a try as Jerry Teo suggests. Regards, Brian. [/QUOTE]
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Best longrange 22-250 load and bullet
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