The Zev Technologies Guide Rod Reducing Ring ring allows you to run a standard diameter Glock guide rod and spring on your 4th generation Glock. The Guide Rod Reducing Ring allows the use of aftermarket Gen 3 guide rods and recoil springs on your Gen 4 Glock for optimal performance and customization.
- Allows use of narrower diameter Gen 3 guide rods and recoil springs on Gen 4 Glocks
- Increase your aftermarket guide rod and recoil spring options
- Made in the USA