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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel twist in AR style 223
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<blockquote data-quote="SBruce" data-source="post: 454094" data-attributes="member: 21068"><p>Sierra says 1-7 or 1-8 for the 80 grn Matchking. They say 1-6.5 for the 90 grn Matchking.</p><p> </p><p>Berger says you'll need 1-7 or faster for the 90 grainers.</p><p> </p><p>Guess if you're gonna use it for really long range, 1-7 might be the way to go. You might get lucky and be able to shoot either bullet that way.</p><p> </p><p>I went with 1-8 in mine, but I have no intention of shooting anything heavier than 75-77's. Supposedly, the heavier bullets have to be loaded single shot, and what's the use of having a semi auto that's gotta be shot single shot.</p></blockquote><p></p>
[QUOTE="SBruce, post: 454094, member: 21068"] Sierra says 1-7 or 1-8 for the 80 grn Matchking. They say 1-6.5 for the 90 grn Matchking. Berger says you'll need 1-7 or faster for the 90 grainers. Guess if you're gonna use it for really long range, 1-7 might be the way to go. You might get lucky and be able to shoot either bullet that way. I went with 1-8 in mine, but I have no intention of shooting anything heavier than 75-77's. Supposedly, the heavier bullets have to be loaded single shot, and what's the use of having a semi auto that's gotta be shot single shot. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel twist in AR style 223
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