This is a Otis Technology Brush known as the Chamber Brush, model FG-367 HT.
With a competitive drive and a never-ending passion for hunting and shooting" OTIS is constantly looking for a better way to help you care for your firearms. OTIS Smart Gun Care products allow passionate gun owners to get more from their firearms. More years. More precision. More rounds down range.
Features:
Scrubs the Chamber, Neck, Shoulder and Locking Lugs
Standard 8-32 Thread
For M4/M16/AR15
