Compatibility:
• Mec-Gar full-size 18rd magazine for Glock
• Mec-Gar compact 15rd magazine for Glock
• SIG/Mec-Gar P226 18rd magazine
• CZ P10/P10c/P09/P07/P09 Nocturne W/SP0316

Product Overview:
The Springer Precision extra power magazine spring for your Mec-Gar Glock magazines. The extra power spring is essential for reliability when adding any of our extensions to your magazines. They work with the 18rd mags as a replacment spring without our extension. For reliable performance, keep your magazine springs fresh.