Shop › FIOCCHI RNG DYNA 300BLK 220GR 25/500 FIOCCHI RNG DYNA 300BLK 220GR 25/500 $40.95 Fiocchi Ammunition Range Dynamics, Subsonic, 300 Blackout, 220 Grain, Boat Tail Hollow Point Matchking, 25 Round Box 300BLKMB Quantity: Add To Cart Added! Fiocchi Ammunition Range Dynamics, Subsonic, 300 Blackout, 220 Grain, Boat Tail Hollow Point Matchking, 25 Round Box 300BLKMB