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The Range
Ammo & Reloading
26 Nosler
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<blockquote data-quote="Jack Shootza 50" data-source="post: 3876836" data-attributes="member: 49036"><p>My gun is a custom-built model 70 Winchester with 30" Pacnor 1-7" twist barrel and I wanted to be able to shoot Sierra's 150g Match King bullets in it but they all blow up about 10-15 yards in front of the gun, only 2 ever made it to a 100 yard target and those were just pieces, there was a "buckshot" pattern of about 7-8 little holes around where I was aiming. I emailed Sierra about this and never got a response back from them but I think they must have designed this bullet for a max velocity of about 2900 fps with a 1 in 7&1/2"or faster twist. I experimented with some reduced loads and finally got 5 into a group with a m-v of 2870fps but the group was about 2" and extreme spread @ 88 fps, not good, I can get that out of my 6.5/300 WSM. I tried a couple in my 6.5/270 Winchester, and they wouldn't stabilize in the 1 in 8" twist barrel. I bought a box of 500 of these when I started this project but now they are pretty useless in any of my 6.5 cal guns unless I re-barrel something. I'll keep trying a few more experiments, maybe get lucky and find the "perfect" combination.</p></blockquote><p></p>
[QUOTE="Jack Shootza 50, post: 3876836, member: 49036"] My gun is a custom-built model 70 Winchester with 30" Pacnor 1-7" twist barrel and I wanted to be able to shoot Sierra's 150g Match King bullets in it but they all blow up about 10-15 yards in front of the gun, only 2 ever made it to a 100 yard target and those were just pieces, there was a "buckshot" pattern of about 7-8 little holes around where I was aiming. I emailed Sierra about this and never got a response back from them but I think they must have designed this bullet for a max velocity of about 2900 fps with a 1 in 7&1/2"or faster twist. I experimented with some reduced loads and finally got 5 into a group with a m-v of 2870fps but the group was about 2" and extreme spread @ 88 fps, not good, I can get that out of my 6.5/300 WSM. I tried a couple in my 6.5/270 Winchester, and they wouldn't stabilize in the 1 in 8" twist barrel. I bought a box of 500 of these when I started this project but now they are pretty useless in any of my 6.5 cal guns unless I re-barrel something. I'll keep trying a few more experiments, maybe get lucky and find the "perfect" combination. [/QUOTE]
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