Bore Brush Nylon Multi 12GA to 410GA Shotgun

Caliber 12GA up to 410GA example 12/76 and/or 12/89, Multi Bore Brush Nylon Bristles, with brass core and end looped, thread #5/16-27Inch outside, Premium Heavy Duty Type Code MULTI-SHOTGUN Pro-Shot USA.-Notice from Pro-Shot USA:Pro-Shot Premium Heavy Duty Nylon Bristle bore brushes are made with a tightly wound brass core and oversized extra thick fill bristles.Nylon bristle bore brushes are recommended by some Pistol manufacturers for use with their barrels.The thicker, stiffer grade bristles allow for back and forth action and eliminate heavy fouling fast.