Hoppes no9 Copper Solvent 5oz
Removes copper fouling
Removes plastic and carbon residue
Available in 5oz plastic bottles
Use gloves while cleaning
Always neutralize with oil after bore cleaner
Got a copper problem? Hoppe’s Bench Rest copper cleaner can fix it. Shooting rounds down your barrel causes copper fouling where the jacket of the bullet meets the grooves. Hoppe’s cleaner removes the residue restoring your barrel back to bare steel. As copper builds up, it can change the velocity of your rounds causing issues and carbon to build up.
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