G&G GGG-1778 Ruger Mini-30 Chamber Cleaning Tool The rugged poly-steel universal joint allows you the ability to easily get into the chamber area for thorough chamber Cleaning Additional chamber Cleaning brushes are sold separately when needed The chamber brush is 1.750 inch long and manufactured from phosphor bronze The overall length of the mini-30 chamber Cleaning tool is approximately 13.00 inch and weighs only 5.1 oz The Slotted Jag is precision Machined from 6061-T6 aluminum and Slotted 1.3 inch deep to accept a Cleaning patch