Need a quick clean or want to put that final shine on the bore of your 12ga or 20ga shotgun? Remington's Barrel Scrubber collects debris and shines up your bore all at once. 2 PIECE CONSTRUCTION - Keeps you organized and compact. COTTON MOP - Loaded with cotton mop in the handle to help clear any tough gunk from your bore. VERSATILITY - Perfect for a 12ga or 20ga