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 of rifles, which uses burnt powder gases vented through a port in …

Extensive selection of customizable SIG SAUER rifles & pistol configurations for precision hunting, defense, competitive shooting and tactical maneuverability.

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 was something of a hybrid rifle. It retained the roller locks of …

The SIG Sauer SG 550 is the first in a series of gas operated rifles based on an AKM style action. This rifle uses a long-stroke gas piston and 2-lug rotating bolt and is built with a 20.8 inch barrel topped with a hooded front sight and a range-adjustable diopter sight at the rear.

The SIG Sauer SIG516 is a sporting rifle manufactured by SIG Sauer, chambered in 5.56×45mm NATO. The SIG Sauer SIG516 shares lineage with the Heckler & Koch HK416. The principal firearms engineers for the SIG516 were Robert Hirt and Chris Sirois.

By understanding the dan-gers inherent in the use of any firearm, and by taking the precautions de-scribed herein, you can enjoy complete safety in the use of your Rifle. Failure to heed any of these warnings may re-sult in serious injury to you or others, as well as severe damage to the fire-arm or other property.

the SiG 500 series of assault rifle comprises the older SG540 series and the visually similar, although more recent, SG550 series. Most models feature green-grey polymer furniture (hand guards, pistol grips, and stocks), which helps to distinguish them from rifles with a similar overall layout, such as the fN fAl.

May 5, 1999 · In February 1983, the Swiss Federal Council made public its decision that the new 5.6mm SIG SG541 assault rifle (renamed the SG550 at the end of October 1984) would be adopted as the standard service weapon of the Swiss Army.

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