Military Wiki
Military Wiki
FM57
Type Battle rifle
Place of origin Sweden
Specifications
Mass 4.60 kg

Cartridge 7.62x51 mm NATO
Caliber 7.62 mm
Action Gas
Feed system 20 round magazine
Sights Iron

The FM1957 is a Swedish prototype battle rifle based on the Ljungman Ag m/42 semi-automatic rifle. Along with the FN FAL, M14, Rk 60 and GRAM 63, it was in competition to replace the bolt action Mausers and the Ag m/42 rifles in Swedish service during the early 1960s but lost over the Heckler & Koch G3 (license built as the Ak 4 in Sweden). The FM57 therefore never entered serial production. The rifle was built in two calibers: the 6.5x55 mm (standard in the Swedish Armed Forces at the time) and the 7.62x51mm NATO (which later replaced the 6.5 mm cartridge in Swedish service).

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