The Breakthrough Clean Copper Remover safely and effectively removes copper fouling and is 100% petroleum and ammonia-free. It’s virtually odorless and biodegradable formula easily removes copper fouling and minimizes future copper build-up without giving off any harmful or strong offensive odors found in other copper removers. Usable on all types of bore steel and won’t etch or harm the barrel.

Features: 

• Quickly breaks down copper fouling & minimizes future copper build-up
• 100% ammonia free—User safe & eco-friendly
• Safe on bore steel—Won’t etch or harm barrels
• Virtually odorless is biodegradable & is petroleum-free
• Made in the USA