SIG Sauer SG 543 Complete Specs and Full Gun Specifications

The SIG SG 543 is a Swiss gas-operated assault rifle of the SIG SG 540 series available in fixed and folding butt stock models, chambered for the 5.56 mm cartridge fed from a 20- or 30-round box magazine and with a cyclic rate of between 650 and 800 rounds-per-minute. It has a muzzle velocity of 875 metres per second.