ZEV Technologies stainless steel recoil spring guide rod for 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 lbs fits best.
ZEV Guide Rods are NOT Compatible with Glock Factory Guide Rod Springs.
If you plan to use this Guide rod with a Generation 4 model Glock you must also use a Generation 4 reducer.
