Hoppe's 9 3-Pack Bore C Brush Mop 5.56mm/.223 192248. This pack includes one bronze brush to remove lead from the bore quickly one chamber brush to assist in clearing residue and fouling from the chamber and one chamber mop that will not scratch the chamber. Each pack is available in .223/5.56mm or .30/7.62mm. Specifications for Hoppe's 9 3-Pack Bore C Brush: Manufacturer: Hoppe's 9 Gun Type: Rifle Features of Hoppe's 9 3-Pack Bore C Brush: Bronze brush cleans lead and fouling from the bore Dual diameter chamber brush fits into the chamber to remove hard-to-clean powder lead and metal fouling Bore brush section of the chamber brush is phosphor bronze and chamber section is steel Dual diameter Chamber Mop makes cleaning or oiling chamber easy 8-32 threading Cleaning accessories fit standard cleaning rods Package Contents: Hoppe's 9 3-Pack Bore C Brush Hoppe's 9 192248: 3-Pack Bore C Brush Mop 5.56mm/.223