Pro-Shot Premium Heavy Duty Nylon Bristle bore brushes are made with a tightly wound brass core and oversized extra thick fill bristles. The thicker, stiffer grade bristles allow for back and forth action and eliminate heavy fouling fast.
Brush Thread Information: All Pro-Shot Brushes are Mfg. with American Standard Threading
· .17 and .20 Cal. - #5-40 thread
· Rifle and Pistol - #8-32 thread
· Shotgun - #5/16-27 thread
