Nylon Oil brush M4 Cal. 20-12  from Niebling are used for cleaning the barrel with solvent or provided with a layer of oil, the high quality of these products guarantees a long service life. The brush fits the other Niebling products and can also be used as an addition or replacement in an existing cleaning set.

• Cleaning brush with nylon bristles.
• Manufacturer: Niebling.
• Material: nylon, brass.
• Diameter: 20 mm. 
• Length: approx. 90 mm.
• Thread: M4 external thread, with insertion aid.
• Caliber: 20-12
• Manufacturer item number: 9-12G.10.27.