This Airmarksman bore cleaning rope features a braided kevlar loop at one end and a wide, thick handle at the other end.

Thread the lanyard through the barrel of your gun, thread a cleaning cloth through the braided loop, and gently pull the lanyard and cloth back through your barrel.

This way you can easily clean the barrel of your rifle and remove lead and (powder) residue.

Combine this in your toolkit with Ballistol/Brunox for the steel and silicone grease/oil for your o-rings, and your rifle will have a long life!