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#12035845 - 05/16/17 Any comments before I order  
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Holston Offline
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Southwest VA
About to put in an order for a PN#1, 3 groove, 1-8". Will finish at 21ish"

Going to drop that in a McM Winchester Compact swirly. (Win M70, push feed, SA, .223 AI)

Finally getting around to finishing a project that was supposed to happen years ago.

Thinking that will be a pretty handy rig, not looking for super light, just comfortable (7-8lbs) and short enough to be easy to carry. Hopefully be a nice all arounder.

Most of you here have a lot more experience than me when it comes to building.

Thanks

RV 728 BP
#12035864 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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mathman Offline
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Any particular reason for three grooves?

#12035869 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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Holston Offline
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No reason other than the praise I've read for them here and a couple other sites I frequent.

Last edited by Holston; 05/16/17.
#12035877 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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mathman Offline
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I've seen 3 grooves praised my many, but cussed pretty strongly by a few. I don't have one myself.

#12035886 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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Holston Offline
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Thanks for the insight, I'll do a little more research on that.

#12035892 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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mathman Offline
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A gunsmith near me has had very good luck with three groove Liljas in .308".

#12036140 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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peeshooter Offline
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Peoria, AZ
I do not cuss any of my Pacnor 3 grooves.

#12036142 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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peeshooter Offline
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Peoria, AZ
Including the 223AI

#12036145 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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peeshooter Offline
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Peoria, AZ
[Linked Image]

#12036317 - 05/16/17 Re: Any comments before I order [Re: Holston]  
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LBP Offline
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I had the identical barrel you described and loved it.


Will Munny: It's a hell of a thing, killing a man. Take away all he's got and all he's ever gonna have.

The Schofield Kid: Yeah, well, I guess they had it coming.

Will Munny: We all got it coming, kid.
#12037015 - 05/17/17 Re: Any comments before I order [Re: Holston]  
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Redneck Offline
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WI.
Originally Posted by Holston
About to put in an order for a PN#1, 3 groove, 1-8". Will finish at 21ish"

Going to drop that in a McM Winchester Compact swirly. (Win M70, push feed, SA, .223 AI)

Finally getting around to finishing a project that was supposed to happen years ago.

Thinking that will be a pretty handy rig, not looking for super light, just comfortable (7-8lbs) and short enough to be easy to carry. Hopefully be a nice all arounder.

Most of you here have a lot more experience than me when it comes to building.

Thanks

A gentle suggestion - go with the 5-groove barrel. But at the same time, do yourself a favor and double-check that item with P-N.. IIRC, there are some calibers that are a bit fussy with the 3-groove barrels...


NRA Benefactor member.

Ex- USN (SS) '66-'69
#12037314 - 05/17/17 Re: Any comments before I order [Re: Holston]  
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30338 Offline
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Denver
My mountain rifle contour Pacnor 8 twist, 3 groove, in 223ai is shooting 75 amax into tiny little clusters. Love mine but maybe got lucky.

#12037395 - 05/17/17 Re: Any comments before I order [Re: Holston]  
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peeshooter Offline
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Peoria, AZ
I do not think the 223, 6.5 or 458 calibers are fussy with the three grooves. All of mine are consistent accurate shooters. I have 5 groove Pacnors in 358 and 7mm and they shoot great too.

#12037548 - 05/17/17 Re: Any comments before I order [Re: Holston]  
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Kaleb Offline
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TN
We've used 3 different PN 3 groove barrels for 1-8" 223AI's. No problems here either.


The democracy will cease to exist when you take away from those who are willing to work and give to those who would not.

Thomas Jefferson
#12038307 - 05/17/17 Re: Any comments before I order [Re: Holston]  
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DakotaDeer Offline
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Why not 7 twist nowadays?

#12038317 - 05/17/17 Re: Any comments before I order [Re: DakotaDeer]  
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Holston Offline
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Originally Posted by DakotaDeer
Why not 7 twist nowadays?


I had thought about that, but came to the conclusion that 1-8" will do everything I'll ever need.

#12041458 - 05/19/17 Re: Any comments before I order [Re: Holston]  
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montana
I think a good barrel is a good barrel, that being said some BR guys prefer 4, 5R and I know one that likes 3 grooves. Maybe it's the way they tune there load that fits that particular groove, I think the majority of us could never really be able to tell the difference if they were all good barrels to begin with.

#12041537 - 05/19/17 Re: Any comments before I order [Re: sherm_61]  
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mathman Offline
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I've read Dan Lilja's comments about three groove barrels. If I remember right he had talked with varmint hunters looking for more barrel life, and the thinking was if the number of grooves was reduced to three while keeping the same land to groove ratio the barrel life could be extended because the same amount of steel would have fewer exposed edges to be eroded during firing. Cleaning could be easier with fewer corners to clean out.

From other conversations, the main knock on three groove barrels I recall was they were tougher on long target bullets in tight twist, high velocity situations. After the barrel wore just a bit the bullets would get torn up an come apart in flight, more so than with six groove barrels for example.

I don't know how the land to groove ratio varies between different groove numbers for Pac-Nor.

#12041634 - 05/19/17 Re: Any comments before I order [Re: Holston]  
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Tejano Offline
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Out Yonder
I would be really tempted to try a poly barrel as I have heard good things about them as in easy on bullets, easy to clean, last longer and even that the BC is higher as there are no deep grooves on the bullet. I don't know about the last claim but the others seem legitimate.


"When you disarm the people, you commence to offend them and show that you distrust them either through cowardice or lack of confidence, and both of these opinions generate hatred." Niccolo Machiavelli
#12041794 - 05/19/17 Re: Any comments before I order [Re: Holston]  
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Holston Offline
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Good to go on the barrel, now I just have to decide whether to go Edge or gel coat.

Thanks to all who weighed in.

Last edited by Holston; 05/19/17.
#12042498 - 05/19/17 Re: Any comments before I order [Re: Holston]  
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Ackleyfan Offline
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For an 8lb rifle I would go gel coat over Edge and save a few bucks........

#12043499 - 05/20/17 Re: Any comments before I order [Re: Holston]  
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65BR Offline
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NW Louisiana
Had a few 3-G and 5 via P-N. All shooters.

I would ask Chris for his recommendation in that caliber.

Will a #2 not meet your weight goal? A 2 at 22" might be my pick for balance but it's all subjective.

Well mostly.


Hit and Destroy Vitals

Ballistics is a great study.
POI is the application.
#12043621 - 05/20/17 Re: Any comments before I order [Re: 65BR]  
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Holston Offline
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Originally Posted by 65BR
Had a few 3-G and 5 via P-N. All shooters.

I would ask Chris for his recommendation in that caliber.

Will a #2 not meet your weight goal? A 2 at 22" might be my pick for balance but it's all subjective.

Well mostly.

They recommended their 3 groove.

I had though initially about a #2, but PNs #1 should be meaty enough for this one. .6ish at the muzzle should be plenty for me in .22 cal.

Not really hung up on specific weight here, just don't want a lot of extra heft and not looking for a flyweight either.

My go-to rifles are all between 7 and 8lbs (ready to go) and that's about right for me. As long as I don't get too far above or below that I'll be fine.

Last edited by Holston; 05/20/17.
#12046660 - Yesterday at 09:56 PM Re: Any comments before I order [Re: Holston]  
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rainierrifleco Offline
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All the 3 gu barrels I have installed were real shooters...

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