For the common weal; perhaps one of these idea/products may prove to be of use in a vintage rimfire bore:

http://www.gunblast.com/Paco.htm

http://www.gunblast.com/Paco_Scorpn.htm

http://www.gunblast.com/Paco2.htm

http://www.gunblast.com/Paco-Flatface.htm

Disclaimer: no commercial or personal interest in either the Web site nor the product. Y'know, JIC someone may be wondering.



Relax; we're all experts here.