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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
22-250 ai ??????
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<blockquote data-quote="Wild_Bill" data-source="post: 127561" data-attributes="member: 4785"><p>Hi i have a 22-250AI wilt a 7 twist barrel to use heavier projectiles it shoots the 69 and 80gr Sierra's like stink it does however blow up the occasional 90gr Sierra. I would go with the 8 twist and it will stabalise the 90ge Sierra aswell and be a lot better than the 80gr projectiles. The 75gr A Max will stabalise in a 9 twist but i would not use it in the 22-250AI as they can blow up with the same barrel as my 22-250 i chambered it in 223 first and blew up A Max projectiles in the 7 twist barrel at 223 velocity so even in the 8 twist if you are pushing them hard you may have troubles. I would look at the new 80gr A Max and see how it holds up. </p><p></p><p>My preference would also be an 8 twist and use the Sierra MatchKings and forget about the A MAx projectiles and i would try the 90gr MAtchKings as they are very accurate. when the barrel was in 223 for testing i shot a group at 300 yards that measured .325" high and .865" wide because a gust came up and blew me out as i did not have any flags out i missed the change. their also was another 223 shooter using 80gr Sierra's at the same time and his group opened to 2"</p><p></p><p></p><p>Cheers Bill</p><p>Australia</p></blockquote><p></p>
[QUOTE="Wild_Bill, post: 127561, member: 4785"] Hi i have a 22-250AI wilt a 7 twist barrel to use heavier projectiles it shoots the 69 and 80gr Sierra's like stink it does however blow up the occasional 90gr Sierra. I would go with the 8 twist and it will stabalise the 90ge Sierra aswell and be a lot better than the 80gr projectiles. The 75gr A Max will stabalise in a 9 twist but i would not use it in the 22-250AI as they can blow up with the same barrel as my 22-250 i chambered it in 223 first and blew up A Max projectiles in the 7 twist barrel at 223 velocity so even in the 8 twist if you are pushing them hard you may have troubles. I would look at the new 80gr A Max and see how it holds up. My preference would also be an 8 twist and use the Sierra MatchKings and forget about the A MAx projectiles and i would try the 90gr MAtchKings as they are very accurate. when the barrel was in 223 for testing i shot a group at 300 yards that measured .325" high and .865" wide because a gust came up and blew me out as i did not have any flags out i missed the change. their also was another 223 shooter using 80gr Sierra's at the same time and his group opened to 2" Cheers Bill Australia [/QUOTE]
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22-250 ai ??????
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