The SG 550 is a selective-fire 5.56×45mm NATO assault rifle firing from a closed bolt. It has a gas-actuated piston-driven long-stroke operating system derived from the SIG SG 540 series …

The SG 550 (Assault Rifle 90), PE 90, is a light- weight assault rifle and used by the Swiss Army.

Aug 10, 2023 · The SIG SG 550 (Sturmgewehr Model 550) series was born in a Swiss Army initiative requiring an automatic weapon chambered for the 5.56x45mm NATO cartridge as a …

The SIG SG 550 (SturmGewehr) is a Swiss assault rifle designed by Jürgen Baumann[1] and Ennio Mattarelli around 1978 and produced by Schweizerische Industrie-Gesellschaft since …

Oct 6, 2020 · Made in Switzerland, the SG 550 is one of the few 5.56mm sniper rifles that was officially adopted. Developed From the SG 550 assault rifle, accuracy is improved by the …

Sep 1, 1998 · Manufactured in Switzerland by Schweizerische Industrie Gesellschaft (SIG), this semi-automatic rifle chambered in .223 Remington caliber (5.56 X 45mm) more than lives up …

Schweizerische Industrie-Gesellschaft (SIG) was no stranger to the 5.56 round. In the late 60s, SIG began work to develop a lightweight rifle chambered for the 5.56 round. The SIG SG 530 …

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These new SIG assault rifles are available in two versions: the standard model SG 550 and the SG 551 short pattern. As such, they effectively form a weapon family, sharing a majority of …

Why the Swiss SG550 rifle became legendary among special forces, combining precision, reliability, and innovative features that transformed modern warfare.