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Ruger AC-556 vs SIG SG 552 Commando
Side-by-side technical comparison
Ruger AC-556
RiflesDiscontinued
SIG SG 552 Commando
RiflesDiscontinued
Overview
Spec
Ruger AC-556
SIG SG 552 Commando
Production
1982–1994
1998–present
Units produced
Approximately 5,000
Unknown
Specifications
Spec
Ruger AC-556
SIG SG 552 Commando
Overall length
946 mm
730 mm (stock extended)
Barrel length
330 mm
226 mm
Weight
3.06 kg
3.10 kg
Magazine capacity
20 rounds
30 rounds
Action type
Gas-operated, rotating bolt
Gas-operated, rotating bolt
Trigger type
Selective fire
Selective fire
Sights
Adjustable front post, aperture rear
Diopter rear, post front
Calibers
Ruger AC-556
SIG SG 552 Commando