Callfiregun Cleaning Bore Snake for 308 30-30 30-06 300 303cal 7.62mm Boresnake New -Brushes and swabs bore in one quick pass Multiple short brushes embedded in the floss pass easily through the shortest action or port Initial floss area (inside the barrel) removes loose grit and debris prior to the scrubbing action of the brush Main floss, with 160 times more floss than a patch, supercleans the bore Brass weighted drop-through cord slips easily down barrel; No assembly required