Originally posted by S/W - Lifer:

"I remember the article. Seems to me that was the one that mentioned cleaning Jet charge holes with acetone. I remember my Jets running for 18 rounds before developing problems but for handgun hunting, that was never a concern."

In the artcle, Metcalf says he used "Birchwood Casey's Cleaner-Degreaser compound." Earlier in the article, he said the factory advised Jet shooters to keep the chambers clean and dry using "lighter fluid, gasoline or degreasing agents".