Minggu, 16 Oktober 2011

SIG SG 551



SIG SG 551
Type Assault rifle
Place of origin  Switzerland
Service history
In service 1990–present
Used by See Users
Production history
Designer SIG
Designed 1970s
Manufacturer Swiss Arms AG (formerly SIG)
Produced 1986–present
Number built 600,000+
Variants See Variants
Specifications
Weight SG 551: 3.40 kg (7.5 lb)
Length SG 551 (stock extended): 833 mm (32.8 in)
SG 551 (stock folded): 607 mm (23.9 in)
Barrel length SG 551: 363 mm (14.3 in)

Cartridge 5.6mm Gw Pat 90 (5.56x45mm NATO)
Action Gas operated, rotating bolt
Rate of fire Approx. 700 rounds/min
Muzzle velocity SG 551: 850 m/s (2,788.7 ft/s)
Effective range 100–400 m sight adjustments
Feed system 5, 20, 30-round detachable box magazine
Sights Rear: rotating diopter drum with tritium night inserts; front: hooded post with folding night post
466 mm (18.3 in) sight radius (SG 551)

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