The SIG SG 530 was a Swiss assault rifle developed in the 1960s by
Schweizerische Industrie Gesellschaft
SIG Combibloc Group AG, originally founded as ''Schweizerische Industrie Gesellschaft'' (German for Swiss Industrial Company; in French, as ''Société Industrielle Suisse''; and, in Italian, as ''Societa Industriale Svizzera''), and later know ...
(SIG) to take the then-new
5.56×45mm NATO round.
Development
Development of the rifle started in 1963 as a joint project between SIG and
Beretta
Fabbrica d'Armi Pietro Beretta (; "Pietro Beretta Weapon Factory") is a privately held Italian firearms manufacturing company operating in several countries. Its firearms are used worldwide for a variety of civilian, law enforcement, and militar ...
. The latter had already cooperated with SIG on the production of the SG 510-4 rifle for Chile. Initial prototypes of the 5.56 mm rifle used the delayed-blowback operating system of the
SIG SG 510
The Sturmgewehr 57 is a selective fire battle rifle designed by Schweizerische Industrie Gesellschaft (now SAN Swiss Arms) of Switzerland. It uses a roller-delayed blowback system similar to the H&K G3 and CETME rifles.
The AM 55 entered servic ...
. However, this operating system proved to be problematic with the relatively "weak" 5.56×45mm NATO intermediate cartridge, and the designers were forced to use a
gas-operated
Gas-operation is a system of operation used to provide energy to operate locked breech, autoloading firearms. In gas-operation, a portion of high-pressure gas from the cartridge being fired is used to power a mechanism to dispose of the spent ...
, roller-locked system. In 1968, Beretta ceased development with SIG, and went to work on their own 5.56 mm rifle design resulting in the outwardly similar
AR70, later known as AR70/223. Due to a lack of sales, SIG abandoned the SG 530 in the 1970s in favor of developing the
SG 540 series.
Bibliography
*
Hogg, Ian V. and Weeks, John S. ''Military Small Arms of the 20th Century''. Iola, WI, 7th edition, 2000. Pages 280–281. .
See also
*
SIG SG 540
Sig used as a name may refer to:
*Sig (given name)
* Sig, Algeria, a city on the banks of the Sig River
*Sig Alert, an alert for traffic congestion in California, named after Loyd Sigmon
*Sig River, a river of Algeria also known as Mekerra
sig (l ...
*
SIG 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) in Switzerland. "SG" is an abbreviation for ''Sturmgewehr'' ("assault rifle"). The rifle ...
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SIG Sauer SIG516
The SIG Sauer SIG516 is a semi-automatic rifle manufactured by SIG Sauer. It is an AR-15 style rifle chambered in 5.56×45mm NATO. Introduced in 2010, the SIG516 was discontinued as of 2019. A variant chambered in 7.62x51mm NATO, the SIG716i, re ...
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Beretta AR70/90
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FARA 83
The FARA 83 ( es, Fusil Automático República Argentina; "Argentine Republic Automatic Rifle") or FAA 81, "Argentine Automatic Rifle" ( es, Fusil Automático Argentino) was a rifle locally designed and developed for the Argentine Army in the 198 ...
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List of assault rifles
An assault rifle is a rifle that uses an intermediate cartridge, a detachable magazine, and can switch between semi-automatic/fully automatic fire. Assault rifles are currently the standard service rifles in most modern armies. Some rifles listed ...
References
5.56×45mm NATO assault rifles
Assault rifles of Switzerland
SIG Sauer rifles
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