Tag Archives: MK 258 Mod 1

Nammo’s 30 mm Swimmer (APFSDS-T MK 258 Mod 1) The Bullet That Swims Through Water

While traditional ammunition is either stopped or deflected when it hits water, Nammo‚Äôs 30 mm Swimmer (APFSDS-T MK 258 Mod 1) swims straight through water, thanks to a groundbreaking design on the supercavitating projectile developed in cooperation with the US … Continue reading

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