You can find the Canik TP9 Series 9mm 18 Round Magazine Black here.

Canik TP9 Series Magazine. Canik factory replacement magazine with durable steel construction.

Firearm: Canik TP9 V2, TP9 DA, TP9 SF, TP9 SA, TP9 SA MOD.2, TP9 SFX, TP9 SFL, METE SFX, and METE SFX PRO, Rival, Rival-S, and TTI Combat
Caliber: 9mm 
Capacity: 18 rounds
Color: Black