GBNT12STMMxFam

Gamebore

Mammoth Magnum Steel 3″ 12Ga

From £525.00 / 1000

Mammoth Magnum Steel is the ultimate wildfowl load with high velocity. This cartridge uses double based propellant exclusively imported from the USA.

High Performance Steel | 36gm 1,3,4 & 42gm BB,1,3

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.

  • Grouse

  • Partridge

  • Pheasant

  • Pigeon

  • Duck

  • Goose

 
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Just Cartridges