Byrna Pro Training Projectiles – .68 Cal (25 Count)Train like its real without the risk. The Byrna . 68 Cal Pro Training Projectiles are specially designed for realistic practice with your Byrna SD, LE, TCR, and Mission 4. These inert rounds mimic live ammunition performancewithout chemical payloadsmaking them perfect for drills, accuracy training, or instructional use in controlled environments. 25 count container of inert . 68 caliber projectiles Compatible with Byrna SD, LE, TCR, and Mission 4 No