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Old October 29, 2009, 09:37 AM   #20
bamaranger
Senior Member
 
Join Date: October 9, 2009
Location: North Alabama
Posts: 8,273
I got some corrosive x39 ammo mixed in w/ non once, likely just a couple of rounds, and discovered it the next day after shooting. The bolt would not retract, the op rod had flash rusted to the gas cyl/port! Took it out of the action, hosed it down w/ WD-40, and after a brief while, smacked it with a leather mallet on the bolt handle. Popped free!

Worked the bore over w/ a bristle brush/ solvent, then some JB paste. No visible damage ( to then naked eye) and the Mini still groups the same, which is to say fair. Lucky!
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