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Barrel manufacturers who hate nitride? (Patreon)

Published:
2017-03-06 15:23:08
Imported:
2026-06

Content

There are apparently some barrel manufacturers that are specifically against the nitride process, Krieger being one of them.  They also recommend barrel "break-in" too, which I'm not a believer in.   

That said, I'm trying to reach out to them to see if they want to tell us why they believe this.

If you know of any others, please let me know by replying to this post.   It'll be interesting to see if anyone wants to get on camera about this.

~Karl

Comments

Carson Goff

My mom makes gun barrels and she doesn't like the nitride process either. We live near Phoenix so I could probably set y'all up on a date. My dad left when I was a baby

VicNighthorse

Of course, Bartlein as I commented about earlier. Oh, and the nitriding companies that I have spoken to, H&M for instance, also do recommend breaking in the barrel first before sending it to them.

VicNighthorse

These sorts of issues kinda make me queezy. I didn't know about the nitriding debate until a week ago when I was on the phone with both Krieger and Barlein. I am also suffering from the gain twist debate. I wish the water was a bit less muddy.

james Kachman

If you get the chance to talk to Criterion, that'd be great!

David Gummo

I really enjoy your in depth discussions with manufacturers. It's something i don't see from other gun channels. So i say go for it.

Marv Fritts

Marv Fritts Excuse the previous comment I hit the wrong key. I read the Krieger explanation for breaking in a barrel and it sounds logical but do you want spend all that time. Having read about other High Power shooters (Jim Owens book) there is a lot of disagreement. I think Krieger is splitting hairs to avoid disgruntled customers. The same for nitriding. But no matter what I say Krieger build a very good barrel.

Farmer Brown

I put a comment on Full30 after the Faxon vid - not sure if you've seen it - basically a series of further questions: - One big one is cryo treatment, which was the rage in the benchrest crowd a decade or two back. - Also ask about Blackstar, who made a whole industry around using a much harder steel (they seem to have disappeared) - they might have also been cryo boosters. - Cleaning (esp. ammonia solvents) - Recommended break-in procedures (that'll be an hour). There was a rumour it a make work scheme for a low-volume barrel maker who wanted his customers barrels to wear out more quickly (I have one of them). - Also moly coated bullets and what they do to barrels - so, coatings - good or not? - Fouling: firing jacketed v solid bullets (and mixing them one after another). - Fluting! Especially as it relates to stress relief, stringing etc. - Number of grooves: esp 3 v 6. - Also what are their thoughts on 5R rifling?

John J

I'd love to see those questions brought up as well. Because they not only give us some history, but also some technical info.

Ratus

I too want to hear about 5R, Moly, Cryo, and barrel"Break-in".

Grant Howard

I'd love to see you talk to a company with a differing view on how to make barrels. On a side note, I agree with you about "break-in" processes. If you have to break your gun (or any part) in before it really preforms well, you have a bad product.

Lars Henriksen

This is fantastic content. It's why i patreon support both InrangeTV and Forgotten Weapons. If there's any way to improve the sound quality it would be great. This is educational material as opposed to the wast majority of vendor sponsored advertising out there... Keep up the great work.

DerpLord90

Small arms barrel "break in" may be a bunch of hooey buuuut on large caliber artillery it *is* possible in certain circumstances to shoot a particular stress profile into a barrel which can cause wild dispersion issues if you change between high and low pressure propellants (between APFSDS and HE for example). Probably not an issue on rigid and relatively thick walled small arms barrels though but might explain that though process?

Bruce Brodnax

Lapping an already-nitrided bore would be more time consuming, & ultimately would remove a portion of the nitrided surface, eliminating some of the benefit of the nitriding process. I have no idea what f/x nitriding would have on an already-lapped bore, but suspect that it wouldn't have any measurably deleterious effect on accuracy after the 1st 100rds were run down the bore. So I suspect that the only reason Krieger, et al have against nitriding is that it would lower their production rate and decrease the number of replacement barrels ordered [ie, it would increase the interval between installing a new barrel and needing to replace it because the accuracy has fallen off...]