Product DescriptionKeep your .17 caliber firearms performing at their best with the Breakthrough Clean Nylon Bristle Bore Brush. Built around a rugged brass core with stiff nylon bristles, this brush aggressively tackles heavy fouling and carbon build-up while protecting your barrel from scratches. A standard #5-40 thread ensures easy compatibility with most cleaning rods, making it a reliable tool for routine maintenance and precision cleaning.Product HighlightsStiff nylon bristles quickly break down carbon and heavy foulingTwisted brass core provides strength and keeps the brush rigidStandard #5-40 thread fits many cleaning rods for easy useSized for .17 caliber bores to deliver precise, scratch-free cleaningDurable construction for frequent, reliable firearm maintenanceSpecsProduct Type: Bore brushCaliber Compatibility: .17 caliberBristle Type: NylonCore Material: BrassThread Pattern: #5-40Unit of Measure: EachWeight: 0.02 lbCountry of Manufacture: USAUPC: 854325008698Manufacturer Part Number: BT17NBBBrand Name: Breakthrough CleanDisclaimer: 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.