Switzerland. Canton Ticino. Bellinzona. Piazza del Sole. Castle's wall and rocks. A group of men from the Swiss Armed Forces, all wearing camouflage uniforms and carrying automatic or semi-automatic assault rifle SG 550. The SG 550 is an assault rifle manufactured by Swiss Arms AG (formerly a division of Schweizerische Industrie Gesellschaft now known as Sig Holding AG) of Neuhausen, Switzerland. "SG" is an abbreviation for Sturmgewehr, or "assault rifle". 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). 11.04.2017 © 2017 Didier Ruef