H&N Slug HP .217 23GR 5.50 (200) Slug HP 23 gr .22 cal AMMO THAT GOES THE DISTANCE The H&N Slug HP is a pellet which differs significantly from the usual pellets due to its bullet shape. It‘s designed for powerful rifles which can shoot such projectiles precisely at targets at 50, 100 or even 200 meters distance. An extremely favorable ballistic coefficient (BC) ensures a flat trajectory and excellent energy retention.