Allen Shotgun Cleaning Brush 20 Gauge 70642 A.  

This Bronze Brush is an essential component for cleaning and maintaining your firearm.  The heavy-duty stiff bristles help you efficiently clean with multi-directional scrubbing, leaving you with a bright and shiny barrel, free of fouling, rust, and other damaging elements.

Pistols & Rifles: This brush’s 8-32 threads fit all Allen and Ruger brand and most rifle and pistol cleaning rods.

Shotguns: The shotgun brush’s 5/16-27 threads fit all Allen and Ruger brand and most shotgun cleaning rods.