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#738389 - 08/06/07 10:21 AM 1:8 or 1:9 for .223
buddy10mm Offline
Predator Master

Registered: 12/22/06
Posts: 88
Ok,
I know this is probably going to start an endless run of "my twist is better than your twist" comments. But I'm curious: what would you recommend for a coyote barrel - 1:8 or 1:9? And would it matter if it were a 16" or a 20" barrel?

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#738390 - 08/06/07 10:29 AM Re: 1:8 or 1:9 for .223 [Re: buddy10mm]
OldTurtle Offline
Moderator

Registered: 12/20/05
Posts: 19624
Loc: East Central FL
Personally, I like to load the heavier soft point bullets for hunting anything, but either twist rate will handle them... the 1/9 will handle lighter bullets if you want them as well.

The 16" barrel is a little louder according to some, but much easier to maneuver in most cases. Since I wear hearing protection and am a little clumsy , the shorter barrels work for me..
_________________________
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#738391 - 08/06/07 10:40 AM Re: 1:8 or 1:9 for .223 [Re: OldTurtle]
Ridge Runner Offline
Die Hard Member III

Registered: 04/21/01
Posts: 2718
Loc: Mathias, WV, USA
My results and those that I've read here on the net, and in magazines all say about the same thing, the 8 twists of the same quality just shoot better than a 9, with all weights from 50 to 77 gr. plus you get the added bonus of better terminal performance, the spin aids expansion enough that you can see the difference.
RR
_________________________
Born to hunt, Forced to work

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#738392 - 08/06/07 08:19 PM Re: 1:8 or 1:9 for .223 [Re: Ridge Runner]
SuperSeal110 Offline
Die Hard Member III

Registered: 01/15/04
Posts: 3461
Loc: Michigan
1/8

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#738393 - 08/06/07 08:28 PM Re: 1:8 or 1:9 for .223 [Re: SuperSeal110]
Sub_Doc Offline
New Member

Registered: 08/03/07
Posts: 6
Loc: Ga
My 1:9 handles bullets up to 75 grain quite well. My 1:8 handles up to 77gr. Both do just fine with everything under 75gr.

Each barrel has it's own most prefered load.

General consensus is that if the majority of the loads you will be using are going to be on the heavy side then go with the 1:8. If you're going to keep it to 69 gr and lighter then the 1:9 should serve you quite well.

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#738394 - 08/06/07 08:37 PM Re: 1:8 or 1:9 for .223 [Re: Sub_Doc]
Al_Hansen Offline
Die Hard Member II

Registered: 06/21/06
Posts: 1307
Loc: Layton, Utah
Seems like the factory bolt guns that I have been around are 1/9 and the autos being posted are 1/8. So, does it make a difference between the autos and the bolts ??
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I don't own any guns. Now go away and leave me alone.
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#738395 - 08/06/07 08:41 PM Re: 1:8 or 1:9 for .223 [Re: Al_Hansen]
sumrifle Offline
Die Hard Member II

Registered: 06/14/06
Posts: 1111
Loc: Kern County CA
I really like my 1 in 10 twist a lot.
Very accurate with 40, 45, 50, 55 and 62 grain bullets.

I also like my 1 in 9 twist.
Almost as accurate with the same bullet weights.
_________________________
Kimber 84M in .204 Ruger is a varmint killer. Shorthaired Pointers may be the best dogs on earth.

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#738396 - 08/06/07 09:55 PM Re: 1:8 or 1:9 for .223 [Re: sumrifle]
SteveM Offline
Retired PM Staff

Registered: 01/26/02
Posts: 7617
I always recommend 1 in 8's for AR's. Some bolt guns are a little different but 8's do not limit you to what can be used. I feel the 8's are better all around twists.

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#738397 - 08/06/07 10:29 PM Re: 1:8 or 1:9 for .223 [Re: SteveM]
2muchgun Offline
PM Junkie

Registered: 01/18/05
Posts: 14660
Loc: Michigun
If you said you were using it on deer or antelope, I'd definitely say 8. For yotes, either.......

I'd still probably go 1-8 though.....

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#738398 - 08/06/07 10:40 PM Re: 1:8 or 1:9 for .223 [Re: 2muchgun]
Bayou City Boy Offline
Die Hard Member III

Registered: 12/13/02
Posts: 2651
Loc: Cypress, Texas
I prefer the 8" twist barrels over the 9" twist barrels in my AR's.

I also have a Tikka bolt gun with an 8" twist barrel that shoots all bullet weights from 52 grain on up through the 70 grain Speer Semi-spitzer extremely well...

-BCB
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#738399 - 08/07/07 01:26 PM Re: 1:8 or 1:9 for .223 [Re: Bayou City Boy]
Predator Strikeforce Offline
PM Sponsor

Registered: 12/08/06
Posts: 1719
Loc: Utah
If you plan to buy an AR, the 1-8" is what you want. I've had a 16" AR and a 20". If I had to choose one to do it all, definately the 20".
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Tom Austin FOXPRO

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#738400 - 08/07/07 02:22 PM Re: 1:8 or 1:9 for .223 [Re: Predator Strikeforce]
kelbro Offline
Die Hard Member II

Registered: 06/07/06
Posts: 1145
Loc: AZ
Funny, each rifle has its own personality.

My 24" 1:9" BM really likes the 75g Amaxes and hates light bullets. My 16" 1:7 prefers the light bullets and doesn't do well with 69g or 75g bullets.
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Only two defining forces have ever offered to die for you, Jesus Christ and the American GI. One died for your soul, the other for your freedom.

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#738401 - 08/07/07 10:48 PM Re: 1:8 or 1:9 for .223 [Re: kelbro]
CWeeks Offline
PM senior

Registered: 11/20/06
Posts: 5283
Loc: Idaho
Go with the 20" barrel, for the simple fact of how loud the 16" is in comparison. Some people say the difference is little to none but I think the 16" is much louder. You can't swing on things as easy with the 20" but that makes no difference to me. I hunt without ear plugs or hearing protection so the lighter sound is very appealing to me.
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www.timberbutteoutdoors.com


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#738402 - 08/08/07 12:22 AM Re: 1:8 or 1:9 for .223 [Re: CWeeks]
Jack Roberts Offline
Former Admin/moderator - deceased

Registered: 05/10/01
Posts: 15854
Loc: Elko, NV formerly MD
"I hunt without ear plugs or hearing protection so the lighter sound is very appealing to me."

It will still cause permanent hearing loss with every shot. Absolutely a proven fact, no way around it. You shoot without hearing protection even a 22LR, you are burning your hearing never to recover it.

If that is what you want, go for it, just realize it is a permanent irreversible loss.

Jack
_________________________
"When the going gets tough, the tough get going."
"Yeah, to where the going's easier." Ben Bova

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#738403 - 08/08/07 07:33 AM Re: 1:8 or 1:9 for .223 [Re: Jack Roberts]
sscoyote Offline
Die Hard Member III

Registered: 11/28/02
Posts: 2486
Loc: pueblo, co
I now have permanent hearing damage, and very slight constant tinnitus, and it's not a terrible condition but i sure wish i'd have worn hearing protection while hunting. I've found that if i keep ear muffs around my head, it's not really excessive movement to slide them down over my ears for the shot. Once they're on for a minute or so i don't even notice them tight above my ears really. I'll never shoot another round without them, that's for sure.

I like the 65 JLK Low Drag in my 9 twist AR .223 AI. I''m using the old DPMS VLD magazine, and it's a great system for coyotes out to around 500 yds. or so. This bullet @ 100 fps faster than the 75's keeps up with them for energy, a little better for velocity, and wind. I killed a 500, and 430 yd. coyote last season with this combination last year, and it was as effective as any other 22 i've used out to that range.

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