muzzle break

[muzzleblastm38]

Ils it possible to machine tread on a barrel with out removing thé action.
Thé gun ils a mossberg MVP and thé barrel but ils strip from thé factory
Son i dont want to removed thé barrel from thé action

 

[tiriaq]

It is possible.

 

[GSG1911]

It should be doable. If the threads are stripped you might just try to run a die over them to get the kink out rather than completely re-doing them.