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Honest question- accuracy wise why would someone spend more on a rifle cut vs a button cut barrel like criterion barrels? Anything to gain or loose?
Iv’e tried several different brands and they all shoot well. One not better than the other. Maybe one fouls more but similarly accurate.
Button rifling doesn't cut. A mandrel is pushed or pulled through the bore and displaces material into the shape of rifling. It's more susceptible to button slip (twist rate error) and displacing the material work hardens it and creates internal stresses. If good stress-relief processes are in place, button barrels shoot right in there with all of the good cut barrels. Benchmark, Criterion, Rock Creek, Shilen, etc... All make outstanding button barrels.
Cut rifled barrels don't stress the steel but take forever (relatively) to make. Multiple passes per groove vs. push/pull a single mandrel through the bore. The theory has always been that if you never stress the steel then you have less chance for a dud. I think modern manufacturing&QC processes pretty much negate that "old" sentiment with quality barrel blanks.
Factory rifles often come with button barrels, but the quality standards are much worse so it's not really even in the same universe. Nobody wastes their time making 'cheap' cut-rifled barrels because it takes so long. So I guess a guy could still kinda make the point that button rifling is on a sliding scale of quality where cut-rifled blanks are almost all top-notch... But again, with the brands I listed before, and many others, it's a non-issue between the two methods as far as end-result accuracy.
FWIW, I'm currently running a $170 Wilson blank for my 6.5cm practice barrel and it's doing well under 1MOA with factory ammo. Good enough I'd have no reservations competing with it.
Criterion told me they wouldn’t do a 7 saum in a barrel nut application.Anyone know if criterion will chamber a barrel with a reamer they don’t list in their inventory? Looking to possibly do a 7 saum remage
Don’t know but I’m not having any issues with my 7 saum Brux in a heavy Palma savage small shank.Is that because of pressure and potential issues with a barrel nut application?
Is it just bigger cal stuff? I was thinking about a 22BR and do not see it listed.What steel head said. Criterion is kinda goofy on bigger cal stuff. They wont do savage small shank or remage in 6.5prc, but shilen, pva, and several others will.
As long as their limited contours, lengths and calipers fit your needs.Proof SS prefits are only a little bit more if you shop around.
Ive shot both and haven't noticed a difference.Does a cut rifled barrel have longer life than the typical button rifled barrel in the same caliber? If so, about how much more barrel life can be expected from cut rifled?
See that is the thing, maybe I just got a good crop of barrels, my 6mm Creed is a Proof SS - .308 bartlin - 6.5.47 benchmark - 284 Criterion, all of them shoot.
Have had several Savage prefits. Most in 243AI shooting H1000. All have been capable of .4 moa prone from bipod with handloads. Many are better. They typically last 2500-2700 rounds. I don't push them hard. 3150-3180 fps with 105's and 3050 fps with 115's.
A buddy did one in 308. I did the load development and it was easy to get it shooting under half moa. I stopped there. He probably has less than 700 rounds on it in three years, so no info on barrel life.
Criterion is funny about chambering magnum bolt face cartridges in barrel nut set-ups. If you have an action print for them to work with they will cut a shouldered barrel for a small additional fee last I checked with NSS. They will also chamber a barrel with your reamer if you send it to them.
I cannot say for certain about the shouldered options. I have not had them cut a shouldered barrel. If I want a barrel with a nut I buy them from NSS. If I want a shouldered barrel I have a Criterion blank sent to my gunsmith.
My bad, I just looked it up again. It is only the SAUM barrels that they list as large shank only.I have a 300wm barrel from them with a barrel nut.
Just put this 260 together tonight
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Is a 260 a 4 cylinder chevy engine that never made it to production or something?