Twist rate on my 2007 .308 Classic 84M - Kimber Forum

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Old 12-14-2019, 10:24 AM   #1
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Twist rate on my 2007 .308 Classic 84M

Thanks if anyone can help serial# KM25967 I called Kimber and they said it was made in 2007. I know some .308's are 1-10 and some are 1-12.
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Old 12-14-2019, 11:17 AM   #2
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I'd wager it's a 1/10 as about 90% of .308's are.

Every .30 caliber rifle in my safe with the factory tube runs that twist, can't imagine why Kimber would vary from the practice, as it affords the best twist for the majority of suitable .30 cal bullet weights/length.
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Old 12-14-2019, 12:12 PM   #3
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Kimber currently advertises .308 models in 1/10, 1/9 and 1/12.

Absent getting a firm answer, you can use a cleaning rod with a piece of tape near the handle and count the number of times it spins around as you push it through the bore.
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Old 12-14-2019, 02:49 PM   #4
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Welcome to the site from Tennessee.

I don't what twist mine is...not really concerned about it.
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Old 12-14-2019, 03:25 PM   #5
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Originally Posted by 2sharp2 View Post
I don't what twist mine is...not really concerned about it.
Arland, your 84M in 204 has a 1/12 twist. Keep in mind, that this twist is best for the .20 cal 32 grain bullet weight.

Almost all factory 204's have trouble with the 40 grainers, as the 1/12 twist is marginal for bullets with that length, not so much of a weight issue.

So lay in 32 grainers, or if you want a 'heavy' bullet for the little .20 bore, try the Sierra 39 gr BK, as it's the darling of the 204 long range crowd, myself included (loaded ammo factory available). Very good BC, and real varmint smacking power out to 600 yards. It really launches Skippy inside of 350!

We have launch!

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Old 12-14-2019, 06:42 PM   #6
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Originally Posted by Rick in Oregon View Post
Arland, your 84M in 204 has a 1/12 twist. Keep in mind, that this twist is best for the .20 cal 32 grain bullet weight.

Almost all factory 204's have trouble with the 40 grainers, as the 1/12 twist is marginal for bullets with that length, not so much of a weight issue.

So lay in 32 grainers, or if you want a 'heavy' bullet for the little .20 bore, try the Sierra 39 gr BK, as it's the darling of the 204 long range crowd, myself included (loaded ammo factory available). Very good BC, and real varmint smacking power out to 600 yards. It really launches Skippy inside of 350!

We have launch!


Thanks for the ammo Tip Rick. I've been "shopping" for 204 ammo, was wondering which grain boolit I should try out first. I was going to PM you for that info before I got ready to place a order, probably wait until after Christmas now.
I'm not finding very many online ammo sales that even offer 204 Ruger. I know you probably "ROLL" your own!!
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Old 12-15-2019, 09:57 AM   #7
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Originally Posted by 2sharp2 View Post
Ruger. I know you probably "ROLL" your own!!
Yeppers, my dozen or so varmint/game rifles have never had a factory round shot through them. Been at it since returning to "the world" in '68, been at it ever since. Rifle, handgun, shotgun all covered.

From internet wanderings, I've noticed that in 204 caliber, Fiocci (sp?) brand 32 gr loading is both accurate, and popular as a result. In the field, the super flat shooting and accurate 204 is a real hoot. It's a real love affair!

Did I mention it's highly effective on marauding badgers too? Well, it is!



231 yards, DRT with a Nosler 32gr BT launched at 4,045 fps.

HTH
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Last edited by Rick in Oregon; 12-15-2019 at 10:02 AM.
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Old 12-15-2019, 05:23 PM   #8
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Originally Posted by Rick in Oregon View Post
Yeppers, my dozen or so varmint/game rifles have never had a factory round shot through them. Been at it since returning to "the world" in '68, been at it ever since. Rifle, handgun, shotgun all covered.

From internet wanderings, I've noticed that in 204 caliber, Fiocci (sp?) brand 32 gr loading is both accurate, and popular as a result. In the field, the super flat shooting and accurate 204 is a real hoot. It's a real love affair!

Did I mention it's highly effective on marauding badgers too? Well, it is!



231 yards, DRT with a Nosler 32gr BT launched at 4,045 fps.

HTH
Whoa!!! That's impressive.
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Old 12-16-2019, 04:57 PM   #9
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I called Kimber today and they said it was a 1/12 4 grove..

Last edited by catman; 12-19-2019 at 03:06 PM.
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