First Strike Rounds 300 Count Smoke Red Shell White FillFirst Strike Rounds 300 Count Smoke Red Shell White Fill in 300 Count boxes feature two individual bags of 150 round each. First Strike round or FSR, make the perfect projectile for those extra difficult shots. First Strike Rounds have set the bar for consistent and accuracy in paintball. Utilizing both aerodynamic design and fin stabilization technology, First Strike Rounds maintain their velocity longer than a regular paintball. The result is 50%