12 Gauge Steel Atomic Line Magnum

Shot size
Box Size

Steel Magnum line is a 36g cartridge in shot size 1 and 3. The heaviest of the steel loads loaded in a 76mm case

For high performance steel cartridges, ensure a suitable gun is being used. Stamped with a Fleur de Lys.

CIP Regulations state a maximum of half choke is used.