17 Cal. Adaptor-Converts  5/40 Thread to 8/32 thread.

This Adaptor is used on .17 Cal. and .20 Cal. rods to clean tight bore .22 Caliber Rimfire Rifles.  The adaptor allows you to use the standard 8-32 threaded rifle accessories with the smaller diameter rod.

NOT FOR USE ON CLEANING .17 Cal. Firearms.  

Converts 5-40 (.17 Cal.) threads to 8-32 (.22 Cal. Rimfire) on Pro-Shot rods .17 Cal. and .20 Cal rods.