ZEV Technologies stainless steel recoil spring guide rod for standard and compact frame size Glock pistols.
Recommended usage of either an ISMI recoil spring in a corresponding correct weight for your pistol. In most cases 13-17 lbs.
ZEV Guide Rods are NOT Compatible with Glock Factory Guide Rod Springs.
If you plan to use this Guiderod with a Generation 4 model Glock you must also use a Generation 4 reducer (RDC-4G-SS or RDC-4G-SS-DLC)