This is a captured guide rod that directly replaces your stock one. It is made from 303 ground and polished stainless steel. It is made right here at Shepherd Tactical Supply on our swiss machine. It includes a flat wound spring with your choice of 15#, 18#, 20# or 22# spring. You also pick from a polished stainless screw or black zinc screw.
Fits G19 G23 G32 G38 Gen 1-3, Does not fit Gen 4-5