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Discussion Starter · #1 ·
I am probably overthinking this, but can someone please explain how to remove the factory flash hider from the MK22?

I placed vice grips on the flash hider and rotated counter clockwise (with the gun pointing towards me), but the only thing that happened was the barrel began to spin inside the gun. I also attempted to put the barrel in my table vice with rubber jaws, but the tension applied was enough to spin it in the vice as well. I could try a metal jaw vice but I am certain it would mar the finish of the barrel. Do I need to take the gun apart and the barrel out in order to remove the hider and install my KYgunco adapter?
 

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Discussion Starter · #3 ·
Yes, finally, but with some professional help. I took it to a gunsmith who was able to put it in a barrel vise. He said it put up a pretty good fight. The thread goo the factory had used looked like petrified black tar/plastic and made it nearly impossible to break free without spinning the sheath.
 
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