Max Steel HP 12Ga

Express’s most powerful steel game cartridge, the High Performance Max Steel has been designed to offer shooters a performance cartridge that is effective at the most extreme ranges.

High Performance Steel | 36gm 1,3,4 

For HP Steel cartridges, ensure the gun is suitable for HP Steel and is stamped with a Fleur de Lys symbol. Proof House guidance suggests a maximum of half choke is used for all steel cartridges.