Yes it was started with the 22 mag semis. Being blow back they can start opening while pressure is too high ripping the case once a bit of fouling has built up. Chamber polishing may be an option?
Type: Posts; User: Marty Henry
Yes it was started with the 22 mag semis. Being blow back they can start opening while pressure is too high ripping the case once a bit of fouling has built up. Chamber polishing may be an option?