AR15 0.223 caliber/5.56 mm chamber and lug recess kit everything needed to thoroughly clean the chamber and lug recesses of your rifle. Kit includes 10 in chamber rod with handle, chamber brush, chamber mop and cotton rolls. Includes micro-polished stainless chamber cleaning rod with aluminum handle black delrin chamber rod guide holder for lug recess cotton rolls 12 cotton rolls (1-1/2 in Length) bronze chamber brush cotton chamber mop double end nylon all-purpose brush packaged in clear reusable hang tube 8 x 32 standard American thread.