Stuck choke tube

[theman4bran]

My DIL has a weatherby SA08. The tube is stuck really tight. I’ve soaked the barrel end in PB blaster, Hoppes, oil etc. I have the barrel in a vice with oak jaws. Can’t put to much pressure on the barrel so I am leveraging against the rib. I’m putting quite a bit of pressure on it an using a heat gun in the process with no luck. It’s the Mobilchoke system which my research tells me that this is a common issue. Any other suggestions?

Kano Aero Kroil penetrating oil has never failed me

 

[dlbleak]

Just tried the frozen barrel with a heat gun. No luck. For salt in the wound, I got the barrel a little high in the vice and missed the rib support. That mashed the rib down and tweaked it slightly to the side at the bend. It’s fixable so that’s no big deal but this thing still won’t budge!

 

[Profreedomokie]

Kroil penetrating oil is one of the best and Penefree is very good also. Ridge Tool makes a pipe nipple removal tool. It slips inside and then you turn it counterclockwise. There are three flats that expand out to grip the nipple. I used these for years and they work really well.

 

[magna19]

If you could come up with a fitting for a barrel vise and use some rosin to hold barrel. Weld a good fitting choke tube wrench to a knocker for a rivet gun. A good rivet gun that is easy to control and not hit too hard is a must. Also go through a couple of the processes you've already tried it may just be on the edge of breaking loose.

 

[PBramble]

that barrel is 168 bucks at Numrich. Not sure what your time is worth or how far you're willing to go with that barrel.

 

[magna19]

Sit in a jar of kroil for week or two try again.

 

[Profreedomokie]

I'm guessing that you looked at another choke tube you have, and you know if it is right- or left-hand thread. The reason I threw this out here is some of the H&K pistols are lefthand threaded for a suppressor.

 

[HiredHand]

I bought a cheap vent rib 870 barrel with a stuck choke tube that wouldn’t break free. I recall reading that in some cases the barrel and choke tube threads can become locked together due to some combination of ammo and perhaps the choke being too loose or tight. I tried all sort of combos of penetrants and heat/cold to no avail. Bought and broke a choke removal tool from Brownells that will damage the choke, but promises to get it free. Later I found a company that sold a Bad A$$ choke removal tool, that really was the name of the tool. It looked really similar to a multi-spline stuck screw extractor. So, I ordered a set of them from Irwin. Even that wouldn’t budge the choke tube. I eventually cut my losses and shortened the barrel.

 

[DRC458]

At this point, I think it would be time and money well spent to take it to @SPDguns !

 

[dlbleak]

At this point, I think it would be time and money well spent to take it to @SPDguns !

I’ve been talking to David for a year or more about some other projects anyway. I’ll kill 3 or 4 birds with one stone!