Federal Premium, Practice & Defend, HST, Syntech, 40S&W, 180 Grain, JHP/TSJ, 100 Round Box P40HST1TM100 Federal has paired the self-defense load proven by law enforcement with the industry's most complete training ammunition for a combination like no other. Federal's Practice & Defend Packs include 50 HST Personal Defense loads and 50 Syntech Training Match rounds. All produce identical velocities, trajectories and point of impact for the most realistic training and utmost protection.