GG&G Chamber Cleaning Brush. This GG&G Chamber Cleaning Brush is 3" long .490" in diameter and manufactured from phosphor bronze. The jag is precision machined from 6061-T6 aluminum and slotted 2" deep to accept a cleaning patch. With the GG&G Chamber Cleaning Brush and its rugged poly universal joint that allows you the ability to easily get into the proper area for thorough chamber cleaning this is a "must have" item for any shooter. Specifications for GG&G Chamber Cleaning Brush: Manufacturer: GG&G Quantity: 1 Gun Type: Universal Country of Origin: USA Rod Length: 3 in Package Contents: GG&G Chamber Cleaning Brush GG&G GGG-1194: Chamber Cleaning Brush