The Real Avid AVBMBS4L-PDQ Copper & Carbon Eliminator is engineered for firearm enthusiasts seeking peak performance. This powerful gun-metal grade solvent penetrates deep into the gun bore, swiftly dissolving stubborn copper and powder fouling that can compromise accuracy. Powerful Copper and Carbon Eliminator Cleans Bores Fast (12)-4oz Bottles in PDQ Elevate your gun maintenance routine with this essential cleaning solution for superior shooting performance.