Cleaning Wool brush M4 Cal. 27-338 / 6.8-9 mm Niebling  with soft trimmings made of wool for thorough cleaning.

• Manufacturer: Niebling;
• Material: wool thread, brass;
• Diameter: 10 mm;
• Length: approx. 90 mm;
• Thread: M4 external thread, with insertion aid;
• Caliber: .27 - .338 / 6.8 - 9 mm;
• Manufacturer item number: 9-762.40.27.