NEW GAMEBORE MAMMOTH STEEL 12G 31/2 ' 42GRAM 3 PLASTIC

Mammoth Steel 3.5” is the ultimate wildfowl load with high velocity and 1 ½ oz of large size steel shot. This cartridge uses double based propellant exclusively imported from the USA. This ensures Gamebore uses the latest advances in steel powder technology to offer truly High Performance steel loads.

42gms/3 (3.5mm) *High Performance. Steel Proofed Shotgun with Fleur de Lys stamp. CIP regulations state No Choke Restrictions however we strongly advise Half Choke Maximum

*Steel MPS Velocity calculated at Muzzle and falls within MAXIMUM CIP Momentum.