40cal bronze bore brushes with size marked on brush stem

These comprise UV marking dye for target acquisition confirmation and leakage prevention tests before leaving the factory

which makes it noticeable but still comfortable for daily wear

Durable Carbon Steel Construction for Long-Term Daily Use

MPN: 66149

Ring's BlueGuns M67 Baseball Grenade Simulator FSBBG Holsters 40cal bronze bore brushes withMaster Your Training with the Blue Training Guns by Rings M67 Baseball Grenade Simulator Realistic, Safe, and Durable Training Tool The Blue Training Guns by Rings M67 Baseball Grenade Simulator offers a realistic and reliable solution for professionals who need hands on practice without the risks of live explosives. Whether you're law enforcement, military, or a civilian trainer, this tool bridges the gap between safety and realism. It matches the