The J Dewey Rods 37mm/.40 Cal 5/16-27 male Grenade launcher brush is a specialized cleaning tool designed for the maintenance and care of grenade launchers with a 37mm or .40 Cal bore. This brush features a 5/16-27 male thread, ensuring compatibility with a wide range of cleaning rods and accessories. Constructed with high-quality materials, the brush is engineered to effectively remove residue, fouling and debris from the bore, ensuring optimal performance and longevity of the firearm. The bristles are designed to provide thorough cleaning without causing damage to the barrel's interior surface. The J Dewey Rods brush is an essential component for maintaining the operational readiness and accuracy of grenade launchers, making it a valuable tool for military, law enforcement and civilian users who require reliable and efficient firearm maintenance solutions.

• Grenade Launcher/Riot gun cleaning brush
• Non-damaging bronze bristles with brass core
• Male threads with a 5/16-27 unified national special (UNS) specification