Brass adapter fits the BMG Chamber Rod and allows you to use a standard 8-32 .50 cal. chamber brush. Sold as a pair.
Big Book Catalog, Issue:67, Page:326
Law Enforcement / Police Store, Issue:07, Page:059
New Product Supplement, Issue:593, Page:014
SPECS: Brass. Male end has 5⁄16" x 27 threads. Female end has 8 x 32 threads. Sold as a pair.