Use for scrubbing out lead deposits. Available with 2 thread sizes: 5/16-27 which fits shotgun cleaning rods, and 10-32 which fits muzzleloading ramrods. TCA's brass bore brush is used for scrubbing out lead deposits and can also be used as a cleaning jag when a patch is placed over it's tip. Will fit rods having a thread size of 5/16" x 27.
