Pack the Hoppes Brush Kit on your next hunting trip for all your gun cleaning needs. Each kit contains a cleaning swab, tornado brush and phosphor bronze brush in the matching caliber of your firearm. Imported. Available: .22 Cal., .30 Cal., 12 Ga., 20 Ga. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Jags & Brushes.