Upgrade your Glock magazine with a Wolff +10% extra power magazine spring, engineered for enhanced feeding reliability and improved performance—especially in extended or high-stress use. Ideal for shooters using +2 extensions or worn OEM springs.

Compatible With:

• Glock 19 – 15 or *17-round mags
• Glock 21 – 13-round mag (+5% spring strength, not for Gen 4 or Gen 5)
• Glock 23 – 10- and 13-round mags
• Glock 26, 27, 29, 30 – 9- or 10-round mags
• Glock 21 and 33 – 10-round mags
• Glock 32 – 10- and 13-round mags (LE use)

Important Notes:

• Glock 19 17-round use requires a +2 extension
• Glock 21 spring rated at +5% power, not compatible with Gen 4/5 mags

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.