(RO1079382) 2 Clips and case The Tisas Duty 9 DS FF (Double Stack Full Frame) is a modern, budget-friendly 2011-pattern 9mm pistol designed for high-capacity performance. Manufactured by TSA in Turkey and imported by Tisas USA, it pairs a full-size 5-inch bull barrel with an optics-ready slide and a full-length forged steel frame to maximize recoil absorption and accuracy