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Dune SG550 sniper

Type Assault rifle
Place of origin Switzerland
Production history
Designer Schweizerische Industrie Gesellschaft
Designed 1970s
Manufacturer Swiss Arms AG (formerly Schweizerische Industrie Gesellschaft)
Produced 1986–present

Cartridge 5.56×45mm NATO (5.6mm Gw Pat 90)
Action Gas operated, rotating bolt
Rate of fire Approx. 700 rounds/min
Muzzle velocity SG 550: 911 m/s (2,989 ft/s)
SG 551: 850 m/s (2,788.7 ft/s)
SG 552 Commando: 725 m/s (2,378.6 ft/s)
SG 550 Sniper: 940 m/s (3,084.0 ft/s)
Effective firing range 100–400 m sight adjustments
Feed system 5, 20, 30-round detachable box magazine