Production began in 1986 and four years later the rifle was officially accepted into service in 1990, hence the military designation Stgw 90. Over 600,000 rifles have been delivered since then and production for the military has now ceased. [2] The SG 550 is a selective-fire 5.56×45mm NATO assault rifle firing from a closed bolt.

The Stg.90 is certainly a feature laden rifle. It incorporates a fire control system with an ambidextrous selector switch and is capable of firing single shots, three round bursts, and fully automatic fire.

Das SG 550 oder SIG 550, als militärische Version auch Sturmgewehr 1990, abgekürzt Stgw 90, ist ein leichtes Sturmgewehr im Kaliber 5,56x45mm NATO auch GP90, das von der Schweizerischen Industrie-Gesellschaft entwickelt und hergestellt wurde. Es ist die Ordonnanzwaffe der Schweizer Armee. Bis heute wurden etwa 450'000 Sturmgewehre 90 …

2023年8月10日 · Page details technical specifications, development, and operational history of the SIG SG 550 (Sturmgewehr Model 550) / Stgw 90 Assault Rifle / Assault Carbine including pictures. The global defense reference actively compiled since 2003

2022年7月4日 · Its “5,6 mm Gewehrpatrone 90” (GP 90) has a unique 4.1 g lead core bullet, fired at 905 m/s muzzle velocity. The twist rate of the Stgw 90 barrel is 250 mm (9.8in). Reply

2022年7月13日 · The Swiss designation STGW 90, is the non-export version of the SIG SG 550 issued to military personal and instructors of the Swiss Confederation. It was produced in Switzerland by SIG Combibloc Services AG. The STGW 90 is the replacement to the STGW 57, its philosophy is rather different than its predecessor.

Das Sturmgewehr 90 (abgekürzt Stgw90) wurde, wie der Name sagt, im Jahre 1990 in der Schweizer Armee als Ablösung für das aus dem Jahre 1957 stammende Sturmgewehr 57 eingeführt und ist auch für den Schiesssport zugelassen. Es ist eines der präzisesten Sturmgewehre der Welt.

2022年7月4日 · Make sure to check out the new video on 9 Hole Reviews, with the SIG 550 on their 500yd course of fire, plus discussion with a Swiss infantry officer: • 🥇 SG 550 (Swiss Army Rifle) to 500yds......

2016年6月5日 · The rifle is based on the earlier 5.56mm SG 540 and is also known as the Fass 90 (Fusil d’assaut 90/Fucile d’assalto 90) in French/Italian or Stgw 90 in German (Sturmgewehr 90). In February 1983, the Swiss Federal Council made public its decision that the new 5.6mm SIG SIG541 assault rifle (renamed the SIG550 at the end of October 1984 ...

The Stg.90 began limited service with the Swiss in the late 1980s, and went into full scale production in 1990. The Stg.90 may well be the most accurate assault rifle in the world, as well as one of the best.