KG PRODUCTS - 4 oz Big Bore Cleaner

I use this for cleaning copper in my 6 ppc and 30 br barrels. Use as directed. Apply KG 1 carbon remover first then KG 12 copper remover. My barrels are clean and accuracy is excellent.

I have a Winchester 94 that copper fouls quickly. I've tried a number of ammonia based cleaners that work okay, but always leave some copper in the bore no matter how much scrubbing and repeated applications. Nothing has come close to the effectiveness of KG12. Three wet patches of KG12 and all traces of copper are gone. Amazing results! Just wish I would have learned about KG12 sooner.

I've used this product for removing copper from my various bolt guns. I tried numerous copper-removing products, inducing some that include ammonia. This is by far the best on the market today. It works without any significant efforts by the individual, other then patching it into a barrel. then wait 10-15 minutes and you are done. If the copper is super thick you might need to do this coat/wait process a second time. I've never needed to do more then that. I patch the barrel dry when I'm done (coat as you normally might for storage). No ammonia, so its safe on your barrel if you forget it in the barrel for long periods of time.

Several years ago I purchased a quart of this as well as several other KG products directly from KG as I could not find it elsewhere. Having used it while in the Marine Corps, I noticed that the KG products were used exclusively by the armorers and those cleaning the barrels of the big guns, therefore asked about it. To state that they were enthusiastic about the KG products would be an understatement. They gave me some and I tried them myself. Incredible! No more need for wire brushing or scrubbing, no more stench, no more worries about etching a barrel due to interruptions. Just perfect performance, every time. While I was very happy with this stuff, my wife was far happier yet because of no mess or smell.

I've got an M1 Garand with an original military barrel that had thick, visible copper streaks on the lands. I spent several days of soaking and scrubbing with a commonly available solvent, and nothing would touch the heavy streaks. Patches still came out deep blue. Based on the great reviews, I decided to order a bottle of this and try it. I soaked a couple patches and pushed them back and forth through the barrel for a few minutes per the directions. I swabbed it out and looked down the bore, and where there were once streaks of copper there was now bare metal. It is misleading because this product didn't turn the patches blue like other copper solvents, but it sure did an unbelievable job getting it out of the bore.