The SinterFire SF45155SD is a top-notch ammunition product designed with an emphasis on safety and environmental protection. SinterFire\'s innovations significantly minimize lead-related concerns. Each ammunition piece is fitted with SinterFire projectiles, tailored to the exact specifications of the chosen product line.The Special Duty series is highlighted by its lead-free, frangible hollow point projectile. It is a perfect match for individuals seeking reliable self-defense ammunition.