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#1652301 - 08/12/10 08:27 AM What is the barrel twist rate of CZ 527 ?
four Offline
New Member

Registered: 08/11/10
Posts: 1
Loc: TX

Hi All,

I am a new member of this forum. I have a question about the CZ 527 varmint 223 rem model 03042. I called CZ USA and they said the twist rate was 1:9 for all the varmint models. But I saw a lot of web sites that mentioned the twist rate was 1:12. Please explain. Thanks,

Richard.

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#1652326 - 08/12/10 09:50 AM Re: What is the barrel twist rate of CZ 527 ? [Re: four]
bushy Offline
Die Hard Member III

Registered: 09/16/05
Posts: 2573
Loc: Cave Creek, Arizona
varmint has 9 twist, American has a 12 twist.
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#1652331 - 08/12/10 10:05 AM Re: What is the barrel twist rate of CZ 527 ? [Re: four]
RePete Offline
PM senior

Registered: 07/11/07
Posts: 5783
Loc: Idaho (Clearwater County)
Hearsay is just that.
It's pretty easy to check it your self with a cleaning rod.
Put a mark on a piece of tape then see how long the rod is before and after it makes one full revolution.

I had a Remmy that was supposed to be a nine twist but some of the first releases of that model got out the door with twelve.

Hearsay can come from the factory as well as the Internet.
Best to find out for yourself.

Luck
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#1652694 - 08/12/10 07:35 PM Re: What is the barrel twist rate of CZ 527 ? [Re: RePete]
JJH Offline
Seasoned Member

Registered: 12/01/04
Posts: 390
Loc: Princeton, MN
Originally Posted By: RePete
Hearsay is just that.
It's pretty easy to check it your self with a cleaning rod.
Put a mark on a piece of tape then see how long the rod is before and after it makes one full revolution.

I had a Remmy that was supposed to be a nine twist but some of the first releases of that model got out the door with twelve.

Hearsay can come from the factory as well as the Internet.
Best to find out for yourself.

Luck


Do the cleaning rod trick and go from there. I'm amazed at how often twist questions come up maybe we need a sticky describing how to determine twist?
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#1652821 - 08/12/10 10:36 PM Re: What is the barrel twist rate of CZ 527 ? [Re: four]
Rustydust Online
PM senior

Registered: 10/21/07
Posts: 6241
Loc: Southwest Idaho
I have one of those CZ 527 Americans in .223 and it does have the 1-12 twist. It seems to thrive on 40 grain Vmax or Ballistic Tip bullets. A ground squirrel at 400 yards is in a good deal of jeopardy with this gun and a good handload using one of those bullets.
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He said, "Well, I don't know and I don't care.'"


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#1655641 - 08/17/10 08:43 PM Re: What is the barrel twist rate of CZ 527 ? [Re: Rustydust]
Ducksoup Offline
Die Hard Member II

Registered: 11/20/03
Posts: 1417
Loc: Tacoma, Washington
What RustyDust said and the 40 grain plastic tipped bullets are pretty amazing! I'd have to go check my records but I think I'm getting about 3750 fps with a 40 grain V-Max out of my CZ527 American. Groups are pretty consistant at about 5/8" with a 4-12X scope. I think only the laminate and the composite stocked varmint versions are 1-9 twist whereas the wood stocked 527 Varmint is 1-12". Check the website to be sure.

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#1655644 - 08/17/10 08:45 PM Re: What is the barrel twist rate of CZ 527 ? [Re: Ducksoup]
Ducksoup Offline
Die Hard Member II

Registered: 11/20/03
Posts: 1417
Loc: Tacoma, Washington
nope, my bad, I just checked the web site and all the current varmint models in .223 are, in fact, 1-9 twist.

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#1655732 - 08/17/10 10:32 PM Re: What is the barrel twist rate of CZ 527 ? [Re: Ducksoup]
TripleDeuce660 Offline
Die Hard Member III

Registered: 11/10/08
Posts: 2913
Loc: Las Vegas Nevada
all varmint models are 1:9. I had a walnut varmint .223 it was 1:9. It shot 40 gr. vmax fiochi moa right out of the box the first day. I hardley shot it before I sold it i'm sure it would do way better.
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