CuBUSTER is chemically formulated to act on heavy layers of copper and to treat heavy copper fouling in rifles and sidearms. 
Q: Will the solvent damage my gun barrel?
A: This formulation will not damage the barrel of your rifle or sidearm and is considered barrel safe. Stick to the given directions and avoid letting the solvent sit in the barrel for undisclosed lentghs of time.
Q: How long can I leave this solvent in my barrel?
A: This formulation will not damage the barrel of your rifle or sidearm. Stick to the given directions and avoid letting the solvent sit in the barrel for undisclosed lentghs of time.
Q: Will this solvent damage my gun finish?
A: This formulation is not intended to be used on stocks and finishes. It is always wise to wipe of residual spillage on the stock or finish immediately after you witness the spill.
Q: I still see lines in my barrel after exposing my barrel to the solvent?
A: No chemical can be used as a miracle cure for cleaning the inside of the barrel. Make use of a proof positive copper brush or a nylon brush to ensure thorough cleaning. Also ensure that the barrel is not damaged, if so refer to your nearest gunsmith for assistance.
Q: Will CuBuster attack other metals?
A: CuBuster is save to use on all metals except for Zinc, Nickle, Copper and Brass finishes. CuBuster will tarnish brass surfaces as it will remove the copper and zinc elements from the brass. Avoid using the product to clean casings, rather opt for our product that is specified for the intended application.
