Excellent for removing plastic from Shotgun chambers! Premium Chamber brush with a full fill of bristles. Use our brass chamber tool Item# CH Tool with this brush for an excellent chamber/choke tool set. The Payne Galway style brush is made to rotate 360 degrees in the chamber for fast & easy chamber cleaning. For use in Over and Under, Side by Side, and Single Barrel Shotguns. Shotgun #5/16-27 Threads.