Designed to fit Glock Gen 1-4 Models: G17, G19, G20, G21, G22, G23, G24, G25, G26, G27, G29, G30.

Restore your Glock’s factory performance with the Wolff Factory Standard Spring Kit. This drop-in set includes three OEM-spec springs designed to replace worn or weakened components, ensuring consistent trigger feel and reliable ignition across all Gen 1–4 models. Wolff has over 60 years of spring manufacturing expertise, and their premium gun springs are trusted by gunsmiths and competitive shooters worldwide. NDZ Performance proudly partners with Wolff to bring you top-tier reliability and performance.

Kit Includes:

• 5.5 lb Factory Standard Striker Spring
• Factory Standard Safety Block Plunger Spring
• Factory Standard Trigger Spring

Key Benefits:

• Restores factory trigger characteristics.
• Drop-in installation – no fitting required.
• Consistent, calibrated compression and release cycle.
• Maintains full compatibility with Glock’s Safe Action system.
• Ideal for service, maintenance, or factory-spec rebuilds.

Wolff Gun Springs has been the leading spring manufacturer in the firearm industry and offers an array of spring powers from reduced, stock to extra power allowing a user to fine tune their setup. Due to varying firearm tolerances as well as to more accurately achieve better results Wolff Gun Springs offers multiple spring weights assuring that a user can achieve the results requested.

W. C. WOLFF COMPANY GUARANTEES THAT ITS PRODUCTS ARE FREE FROM DEFECTS IN MATERIAL AND WORKMANSHIP. IN THE EVENT OF ANY DEFECTS IN MATERIAL OR WORKMANSHIP, W. C. WOLFF COMPANY S SOLE LIABILITY THEREFOR SHALL BE THE REPLACEMENT OF ANY SUCH PRODUCT(S) THAT ARE DEFECTIVE IN MATERIAL OR WORKMANSHIP. THE REPLACEMENT OF ANY SUCH PRODUCT(S) SHALL BE W. C. WOLFF COMPANY S SOLE RESPONSIBILITY. THIS WARRANTY SPECIFICALLY EXCLUDES ANY AND ALL CONSEQUENTIAL OR ACCIDENTAL DAMAGES. NO OTHER WARRANTIES OR LIABILITY WHATSOEVER, ARE EITHER EXPRESSED OR IMPLIED. IF ANY SUCH WARRANTIES SHALL BE IMPOSED BY LAW NOTWITHSTANDING THIS PROVISION, THEN SUCH WARRANTIES SHALL BE THE RESPONSIBILITY OF W. C. WOLFF COMPANY S IMMEDIATE BUYER. BY WAY OF EXAMPLE, AND NOT LIMITATION, THERE SHALL BE NO WARRANTIES OF MERCHANTABILITY, USE IN TRADE, OR FITNESS FOR A PARTICULAR PURPOSE. W.C. WOLFF COMPANY SHALL HAVE NO LIABILIT FOR LOSS OF USE, REVENUE OR PROFIT.

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.