Description NcStar 5.56/.223 Barrel Brush works well with G.I. cleaning rods, kits and threads. The bronze material the bristles are made of help remove carbon, powder and bullet residue but does not damage the bore. This NcStar Barrel Bore Brush cleans .22 caliber barrel bores. Features: G.I. bore brush replacement Works with G.I. cleaning rods/ kits/ threads Cleans .22 caliber barrel bores Bronze bristles to remove carbon, powder, and bullet residue, but it will not damage the bore Diameter: 0.24″ Weight: 0.2 oz Specifications Additional Features: w/MIL Additional information Weight 0.208 oz MPN TBB223 UPC 848754003232
