SIG SG 550
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The SIG SG 550 is an assault rifle manufactured by SIG Sauer AG in Switzerland. "SG" is an abbreviation for Sturmgewehr. The SG 550 was co-developed by SIG Sauer AG and the Italian firearm manufacture
SIG SG 550 adopted as the standard service rifle of the Swiss Army, designated as the Stgw 90
The C42 by Waffenfabrik Bern, 6.45mm Rifle version
SG 550 disassembled into its main constituent groups
A close-up look on the integrated adjustable gas regulator on the gas block, the front sight with a flip-up night sight post, and the bayonet lug attaches on the flash suppressor
SIG SG 540
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The SG 540 is a 5.56×45mm NATO assault rifle developed in the early 1970s by Schweizerische Industrie Gesellschaft of Neuhausen, Switzerland as a private venture primarily destined for export markets
SIG SG 550
…assault rifle"). The SG 550 was co-developed by SIG Sauer AG and the Italian firearm manufacturer Beretta and is based on its predecessor, the SIG SG 540, which is chambered in 5.56×45mm NATO. In 1978, the Swiss armed forces formulated requirements for a successor to the Stgw 57 battle rifle (known…
SG 543 carbine with stock extended.
SG 540-1M upgraded by FAMAE in Chile.
SG 542 Made by FAMAE for the Canadian civilian market
Ecuadorian Army soldiers equipped with the SG 542, circa 2002.