This package contains one low force recoil spring for the TP9 & METE Series pistols. This spring is intended to give optimal performance with the large variety of 9x19mm ammunition on the market. The lighter recoil spring, marked with blue paint is intended to be used with lower energy 9x19mm ammunition. Specifications for Canik Full Size Recoil Low Force Spring Assembly: Manufacturer: Canik Color: Black Gun Make: Canik Gun Model: Canik METE, Canik METE SFT, Canik TP9SF, Canik TP9SFx, Canik TP9, Canik TP9SA Condition: New Features of Canik Full Size Recoil Low Force Spring Assembly Compatible with the Canik TP9 SA, TP9 SA Mod.2, TP9 SF, TP9 SFx, TP9 SFL, TP9 SFT, METE SFT, METE SFx, METE SFT PRO, METE SFx PRO, & SFx RIVAL pistols Package Contents: Canik Full Size Recoil Low Force Spring Assembly Which weapon models is Canik Full Size Recoil Low Force Spring Assembly compatible with? Canik Full Size Recoil Low Force Spring Assembly is compatible with Canik TP9SA, Canik TP9, Canik TP9SFx, Canik TP9SF, Canik METE SFT, Canik METE