About this product+
NDZ Tuner Pack for Glock Gen 1-3 20, 20SF, 21, 21SF - Old Style
Designed to fit Glock Gen 1-3 Models: G20, G20SF, G21, G21SF.
Spring Weights Included in Pack: 11 lb., 13 lb., 15 lb., 17 lb., 20 lb., 22 lb., 24 lb.
Tune your Gen 1-3 Glock pistol for reliable feeding and optimized recoil without guesswork, the NDZ Performance Guide Rod Tuner Pack is the perfect all-in-one kit for customizing the performance of your Glock. This kit pairs NDZ’s rigid stainless-steel guide rod (with hex-screw removable tip) alongside a selection of recoil springs so you can match spring tension to your ammo and shooting style, reducing malfunctions and improving follow-up shots. Customize your Glock with the highest-quality parts on the market from NDZ Performance today!
Features:
- Eliminates guide-rod flex: rigid stainless body improves lockup and consistent cycling.
- Tunable system: hex-tip allows quick spring swaps so you can calibrate your gun to different loads.
- Durable & frame-safe: won’t chip or crack like OEM polymer rods; safe for Glock polymer frames.
- Field-proven: trusted by LE and competitive shooters for repeatable performance.
See our new Glock G20 Guide Rods here
See our complete line of Glock Gen 1-3 Products here
Please use the proper tools like a vice and This NDZ Performance Guide Rod Spring Removal Tool here when switching out your springs.
Important: We recommend the use of Blue Loctite on the hex screw threads when switching out springs. This will provide a firm hold and still allow easy removal when necessary.
Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.