Capping a Threaded Barrel

[edgerly779]

No to loctite or jb weld electric arc or tig/mig or silver solder or braze.

[redcliff]

No to loctite or jb weld electric arc or tig/mig or silver solder or braze.

We're discussing CADOJ rules, not BATFE. Can you support your claim?

[Cyc Wid It]

My old Walther P22's thread cover screwed right off with a little heat and torque.
I think they just used some industrial bonder. If they could do it I'm sure you can.

IIRC Walther had some explaining to do regarding this. The info Redcliff posted is the prevailing CGF wisdom regarding the topic.

[huntndog]

Agreed. I still say just grind the threads off. It's not like you can put a suppressor on the thing in CA anyway. Keep the gun, lose the threads, problem solved.

^^^ If you grind the threads off, you will shorten the barrel and it will no longer protrude through the barrel hole in the slide. Don't know if the barrel hole supports or guides the barrel when the slide is racked...
but even if not, you'd have a larger (unattractive) hole at the front of the gun.

[autoduel]

CADOJ is less likely to try to use a cheater bar and torch to take off your barrel cap than they are taking apart you magazines to determine "permanently blocked".

Grinding/cutting requires the barrel to be recrowned by a gunsmith, unless you don't care about accuracy.

[huntndog]

When you attempt the register the gun in CA, isn't the CADOJ going to know from the Serial # that it's a threaded-barrel model?
That would be a rather unfortunately time to find out that they won't accept my JBWeld job.

And what happens at that point? According to the CADOJ, I have an assault weapon and I'll assume they aren't going to let me run around town with it
trying to correct the situation...

[ptusa]

When you attempt the register the gun in CA, isn't the CADOJ going to know from the Serial # that it's a threaded-barrel model?
That would be a rather unfortunately time to find out that they won't accept my JBWeld job.

And what happens at that point? According to the CADOJ, I have an assault weapon and I'll assume they aren't going to let me run around town with it
trying to correct the situation...

No, they won't know by the serial number. But it would need to be perm. affixed before the Registration anyway.

[JeremyS]

^^^ If you grind the threads off, you will shorten the barrel...

Grinding/cutting requires the barrel to be recrowned...

No, no, no. I didn't say cut the front of the barrel off! I said grind the threads off. JUST THE THREADS. Just file the darn things down so they're flat. You know, as if you stripped them or whatever. I guess I should have said grind them down, but I thought it was really obvious. You could do this yourself with a metal file in 10 minutes.

My first suggestion, which I still stand behind, is grind the threads down and then JB Weld the thread protector back on so the gun looks factory and has a uniform diameter, etc.

not of grave concern as this would only be a CA use barrel.. keeping the OE unmolested for future resale at full value.

Originally I didn't think this was a likely option, because the M&P 22 is a straight blowback gun with a fixed barrel. I assumed the barrel was pinned or otherwise very solidly attached to the frame in a manner that would not be easy for anyone to remove. Turns out that isn't the case. So, OP, you could purchase a spare barrel and file the threads down on that one instead. How-to for removing the barrel is like half way down this page: http://www.gunsumerreports.com/revie...n_M&P22_p4.php

[limitdown]

The ATF is VERY SPECIFIC about what it considers a "Permanent" attachment.
From the ATF's NFA guide, "CHAPTER 2. WHAT ARE “FIREARMS” UNDER THE NFA?"

http://www.atf.gov/files/publications/download/p/atf-p-5320-8/atf-p-5320-8-chapter-2.pdf

It states very clearly :

>>>>>>>>>>>>

[redcliff]

http://www.atf.gov/files/publications/download/p/atf-p-5320-8/atf-p-5320-8-chapter-2.pdf

It states very clearly :

>>>>>>>>>>>>

The BATFE (Federal)requirements for achieving permanent barrel length have nothing to do with removing the "capacity to accept a flash suppressor or silencer" from a threaded barrel under California law other than it provides a worst case safe harbor method.

I personally see no reason to grind off threads in order to JB-weld a cap on. YMMV.

[limitdown]

I know this is not a Federal NFA/SBR/ATF issue and it's a state-specific California issue.
The cover still needs to be "Permanently" attached to the barrel.
If it's not permanently attached, then it means it has the capacity to accept a silencer or flash suppressor.
Although California doesn't specifically state what constitutes "permanently attaching", I would default to Federal law.

JB Weld is only about as heat resistant at red loc-tite, 500F, which is way below the 1100F ATF requirement

http://www.jbweld.com/faqs/

[redcliff]

I know this is not a Federal NFA/SBR/ATF issue and it's a state-specific California issue.
The cover still needs to be "Permanently" attached to the barrel.
If it's not permanently attached, then it means it has the capacity to accept a silencer or flash suppressor.
Although California doesn't specifically state what constitutes "permanently attaching", I would default to Federal law.

JB Weld is only about as heat resistant at red loc-tite, 500F, which is way below the 1100F ATF requirement

http://www.jbweld.com/faqs/

If JB-Weld was acceptable to the CA DOJ to resolve the Walther P22 fiasco, why should we assume it isn't still acceptable?

I have no problem with your recommendation to use BATFE methods to attach, just don't state that it's a requirement or "the law".