Product Description The Pro-Shot AR-10 Military Style Chamber Bore Mop is designed for fast, effective cleaning and lubrication of .30 caliber rifle chambers. Built with a 100% cotton mop and a durable brass core, it helps remove excess carbon fouling and apply lubricant after brushing. Its dual-purpose shape is intended to reach both the chamber and the locking lug recess area on AR-10/AR-platform rifles chambered in .308/7.62 NATO. Product Highlights AR-10 military-style chamber mop for .308/7.62mm cleaning and lubrication 100% cotton mop with brass core for durability and consistent cleaning performance Dual-purpose design helps reach the chamber area and locking lug recesses Useful after a chamber brush to remove excess carbon fouling or extra CLP Designed to provide good foaming action for lubrication and quick maintenance Specs Brand: Pro-Shot Product Type: Chamber bore mop Caliber Compatibility: .308 caliber / .30 caliber / 7.62x51mm NATO Platform Compatibility: AR-10 / AR platform (as applicable) Material: 100% cotton mop Core Material: Brass Thread: #8-32 Manufacturer Part Number: PSTMPCH30 UPC: 709779900329 Country of Manufacture: USA Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product&&';;s manufacturer.