M645 FTP-HE

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An M645 after launch. Note the plasma envelope.

The M645 Ferric-Tungsten Projectile - High Explosive is a 16×65mm slug round used by Acheron Security's ARC-920 railgun.[1]

Overview[edit]

The M645, contained in a rectangular casing, is loaded into the railgun's internal magazine through a topside well. The slug contains a high-explosive charge to aid in armor penetration. Coupled with the kinetic force imparted by the weapon's high muzzle velocity, the M645 can penetrate both hard and soft targets; ideally it is to be used against well-armored personnel. The slug is fired with such tremendous speed that it is enveloped by plasma while in flight.[1] The M645 FTP-HE has helped dramatically decrease the mass of the ARC-920. The follow-on explosive charge in the M645 has helped make the ARC-920 railgun the most popular electromagnetic launcher among augmented UNSC Armed Forces personnel.[2]

Gallery[edit]

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