I am looking into Having a new noveske barrel melonited. How is the barrel extention and gas block dealt with? Do you guys take them off of just treat the barrel with extention installed? I have heard this can lead to problems down the road? And if the extention is taken off can it be put back on in the proper fashion with index and headspace intact?
I have had issues with the extension becoming lose after having Melonited. I no longer do AR barrels with the extension on. I mark the extension/barrel so I know where it was indexed or just reference the gas block hole and remove. I have processed the extensions and have not. Does not seem to matter either way once reinstalled. If you choose to Melonite the extension you might need to replace the indexing pin.
The issue lies in the fact that the alloys used in the extension and barrel differ and expand and move at different rates and to varying degrees.
I would not recommend doing the barrel if it has been shot a lot or run very hard. I do love the process for new barrels.
Remove the gas block and Melonite it separate along with a gas tube.
crossgun… you work for/at wmd guns? this is exactly why i asked. everything you said confirms my suspicion and what i have heard elsewhere. i just haven’t heard it from any one who had a direct bad experience with meloniting a barrel with out removing barrel extension until now, thank you.
so i read WMD guns doe not remove the barrel extention because “they haven’t had a costumer with a problem yet”…or so i read. so have they found a method that works? whats the secret?
no matter what i would want to have the barrel extention removed, treated, and re-installed perfectly. here is my problem… i cant find a competent professional that will touch it. i emailed ADCO and they told me simply “we do not offer that service” . ADCO is really my “go-to” so now i am lost. can anyone recommend a shop/person who can trusted for the procedure??? thanks.
-ken
No sir, not involved with “wmd” guns? No association and never heard of them.
All personal experience and I do my own barrel work. I just bought the tools needed to remove the extension.
thank you for your help. an you recommend some one who will remove/re-install an extension correctly? most shops i have contacted said they wont.i have read once a barrel extension is removed it cant be used again and you will need a new one. is this true? i would like to use the original noveske extension.
We at WMD have heard of the possibility of barrel extensions loosening
after the salt bath nitrocarburizing process. After having performed this
process to thousands of barrels (both production barrels with extensions on
them and some customer upgrade barrels) we did have one customer say his
barrel extension loosened. We did not inspect that barrel on incoming for
this and have no idea as to the quality of manufacture or process used to
tighten/assemble the barrel.
so even on production barrels the extention stays on ? in other words… suppose aac ( or other manufacturer that used melonite and out sourced to wmd guns) asked wmd guns to melonite thousands of barrels… the extensions stay on. then, when i buy a 300blk upper from aac (or other comparable product from comparable manufacturer using melonite barrel that has been outsourced to WMD) i am purchasing a factory riffle or upper that has been melonited with the extention still torqued on???
do i have that correct???
if thats the way things work in the industry, and if on that great of a scale…well it sounds safe enough to me.
the above is the way things are working … no?
Yes the extensions stay on fine. The only time we coat barrels in Nitromet without the extensions is when a NiB-X extension is added afterwords. Most barrels are torqued and pinned so there is no walking loose. Like I said we do thousands of barrels for OEM’s and have never had a problem.
So to be safe… Can you pull my extension, toss it, melonite my barrel, and then… Install a band new NiBx extention???
That would give me the Safley melonited barrel I want, with out the risk of the extention comming loose, and with the added Benifit of the NiBx extention.
Sure you could do that!!
How experianced is WMD guns in torquing on new barrel extentions? Is head space checked?? Is the index pin easy indexed to the gas post with everything linked up and torqued correctly?
Just to clarify we will be glad to coat your barrel in Nitromet if you take off the barrel extention. We do not remove them and or replace them. If you want to buy a NiB-X barrel extention we will be glad to sell you one for you to install on your barrel.
So WMD will not do any work as far as taking off or reinstalling a barrel extention? Looks like I will need an entire barrel melonited extention and all… As I know no shop that will remove/ reinstall one. If it does come loose after melonite … Does WMD offer any warrantee? How was the customer that had is extention come loose after treatment handled?
One out of thousands was loose and it proably was loose to start with. It’s up to you but I would coat it as one unit and it should be fine like all the other customer barrels we do! Remember it’s pinned in place.
Excuse me if a am mistaken but I believe it is torqued in place. That pin does not hold the extention in place. The index pin is not holding the extention on in anyway. That is why all the fears of it comming loos for melonite treatment. As the metal of the extention is different than the metal of the barrel they heat and cool at different rates… Possibly breaking the torque. Or so I read on the forum.