Includes 5 Colour Coded Recoil Springs :

• 10# White
• 11# Yellow
• 12# Red
• 13# Green
• 14# Gray

Fits: CZ, including the CZ-97B/BD and Canik, It will not fit the Canik TP series.

Note: This is a light spring, and typically used in competition. The correct recoil spring is based on the ejection distance of an empty/fired case.  6-8 feet is the optimal ejection distance.  This can vary based on the recoil spring weight, bullet weight, slide weight, and powder charge.