All first hand experience here. I'll guaranfreakintee you it turns into crap that is like glue within 8 years. How much sooner than 8 years i dont know. The gun I left sit covered with it sat that long unexamined and removing it was a matter of scraping it off as nothing I found would cut it. And even 3InOne oil would have protected my gas rings on the 16 better.


h