Dense, durable Nyflex™ fiber brushes offer maximum bristle area per square inch to thoroughly clean specific parts of the weapon without risk of scratching bore or the aluminum components. Includes brushes for .223/5.56mm bore, upper receiver, chamber, and bolt carrier.
AR-15, Issue:09, Page:071
Big Book Catalog, Issue:66, Page:069
New Product Supplement, Issue:631, Page:016
SPECS: Brushes - Nyflex nylon fiber. Brush Pak contains bore brush, upper receiver brush, chamber brush, and bolt carrier brush.