I work for a company called Novum Solutions and we make a product called Blue Wonder Gun Cleaner that has been used very successfully to clean out built up lead deposits in firearms. We do this by attacking the oxide compounds that are created when the firearm is fired. We have detailed instruction on our web page that describes how to use Blue Wonder and how it cleans. Our web page is www.novumsolutions.com
If after viewing our page you still have some questions please email me at firstname.lastname@example.org
, even if you do not use our product we may have some tips on how to make your cleaning easier that you have not tried before. Blue Wonder is not the panacea for all firearm problems but we believe it will help in situations like this.