Fiocchi Field Dynamics 22-250 Remington 55gr PSP Rifle Ammo - 20 Rounds - Fiocchi's Field Dynamics line of centerfire rifle cartridges can be relied on when game is in your crosshairs. Field Dynamics ammunition is comprised of high-quality components to ensure repeatable point-of-impact and optimal terminal performance from a pointed soft-point projectile. Priced to give hunters plenty of opportunity to practice field-rest shooting and be assured of their rifle's zero and point-of-impact across all hunting distances.