Features:

·         Pro-Shot Bore Brush - Precision Engineered Design, Fit, & Function
·         Superior Heavy Duty Stiff Nylon Bristles with Extra Thick Fill
·         Precision 5-40 Threads
·         Made in USA

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