Wilson Combat 9mm Chamber Cleaning Tool Replacement Brush Black. Powder residue lead and bullet lubrication can get packed in your barrel's chamber which can cause feeding and extraction malfunctions. Unfortunately your 9mm/38 Super bore brush is the wrong diameter and usually too soft to remove chamber contamination. Use this cleaning brush to remove the most difficult chamber residue and have your chamber looking like new again. Replacement brush for tool 803-9 9mm/.38 Super Durable and reliable nylon bristles Specifications for Wilson Combat 9mm Chamber Cleaning Tool Replacement Brush: Manufacturer: Wilson Combat Color: Black Features of Wilson Combat 9mm Chamber Cleaning Tool Replacement Brush If you have our chamber cleaning tool this replacement brush will keep you prepared for future cleanings. Package Contents: Wilson Combat 9mm Chamber Cleaning Tool Replacement Brush Wilson Combat 803-9B: 9mm Chamber Cleaning Tool Replacement Brush Black