Bore Brush Nylon .30/.308/7.62mm Rifle

Caliber .30, .308 and/or 7,62mm Rifle, Bore Brush Nylon Bristles, with brass core and end looped, thread #8-32Inch outside, Premium Heavy Duty Type Code 30NR 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.