

18 rounds Ammo Card to carry near body for constant temperature.
Important point, unfortunately often ignored, ammo’s temperature variations will induce significant POI ( Point of Impact ) shift.
By exemple, one 308 175gr 789 m/s at 15°. If this cartridge reach the temperature of 30 °, POI will shift 18 cm up at 800 m and 47 cm at 1000 m.
( cf. The book « TIR LONGUE DISTANCE De l’oeil à la cible « by Benoit BAUDIN ) For warm or cold weather, shooting on open range without cover or shadow, this item will help to keep your ammo at the same temperature, the one of your external body, during your entire cession.