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Armalite AR-180 vs SIG Sauer SIG516
Side-by-side technical comparison
Armalite AR-180
RiflesDiscontinued
SIG Sauer SIG516
RiflesDiscontinued
Overview
Spec
Armalite AR-180
SIG Sauer SIG516
Production
1969–1985
2010–2020
Units produced
Approximately 20,000
Unknown
Specifications
Spec
Armalite AR-180
SIG Sauer SIG516
Overall length
965 mm
930 mm
Barrel length
470 mm
406 mm (16 inch)
Weight
3.06 kg
3.3 kg
Magazine capacity
20 rounds (STANAG)
30 rounds
Action type
Gas-operated, short-stroke piston
Gas-operated, short-stroke piston
Trigger type
Single-stage
Single stage
Sights
Adjustable rear aperture with front post
Flip-up backup iron sights
Calibers
Armalite AR-180
SIG Sauer SIG516