[Chuck Dye]

I'd be inclined to wipe each round with a coarse cloth, then try it in a less-than-premium gun with a closed, locking, action. My Ruger 77/22, with its easily removed and replaced barrel, for example. I would not mix such corroded cases with a revolver's normal gas leaks. I would be careful to listen for a proper report with each shot and sure to observe an ample delay against the possibility of hangfire should there be no report. I would be prepared to deal with a bullet that leaves the chamber but fails to leave the barrel. (All this is back-of-the-mind-don't-forget SOP for all shooting, brought forward and fully active for old, suspect, ammo.) Given the low cost of .22LR, it wouldn't take many failures to set me to hunting an ammo amnesty day at a nearby military base.