Wolff magazine springs for use in Glock pistols are available in +10% extra power to improve feeding and magazine performance.

Note: W. C. Wolff Company does not recommend use of extended base pads with Glock magazines, the exception of the Glock factory +2 extensions for their 9mm magazines.

For Use In:

• Glock 17, 17L & 34 - 17 or 19 rounds.
• Glock 20 - 15 rounds.
• Glock 22 and 35 - 15 rounds
• Glock 31 - 15 rounds (Law Enforcement) *With +2 Extension