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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Tikka Target/Sporter
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<blockquote data-quote="milanuk" data-source="post: 31747" data-attributes="member: 376"><p>I'd say that list isn't entirely accurate/complete, but then most things for twist rates are kind of situation dependent.</p><p></p><p>From shooting several .223's including 2 bolt guns and 3 AR's, I'd say that a 1-12 should definitely do a 55gr, and most likely a 60gr. A 1-9" will stabilize most bullets *under* 75gr, and depending on the bullet, may do 75-77gr (i.e. a lot of 1-9" twist barrels will stabilize a Hornady 75gr BTHP, but not a 75gr A-Max). A 1-8" twist should do an 80gr SMK, but a 1-7" twist will 'make sure' of any of the 75-80gr VLD's as well. For the 90gr JLK VLD, use a 1-6.5" twist.</p><p></p><p>Monte</p></blockquote><p></p>
[QUOTE="milanuk, post: 31747, member: 376"] I'd say that list isn't entirely accurate/complete, but then most things for twist rates are kind of situation dependent. From shooting several .223's including 2 bolt guns and 3 AR's, I'd say that a 1-12 should definitely do a 55gr, and most likely a 60gr. A 1-9" will stabilize most bullets *under* 75gr, and depending on the bullet, may do 75-77gr (i.e. a lot of 1-9" twist barrels will stabilize a Hornady 75gr BTHP, but not a 75gr A-Max). A 1-8" twist should do an 80gr SMK, but a 1-7" twist will 'make sure' of any of the 75-80gr VLD's as well. For the 90gr JLK VLD, use a 1-6.5" twist. Monte [/QUOTE]
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