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FN MAG / M240 vs SIG MG 338
Side-by-side technical comparison
FN MAG / M240
Other WeaponsIn production
SIG MG 338
Other WeaponsIn production
Overview
Spec
FN MAG / M240
SIG MG 338
Production
1958–present
2016–present
Units produced
Over 200,000
Unknown
Specifications
Spec
FN MAG / M240
SIG MG 338
Overall length
1,263mm (49.7 in)
1219 mm
Barrel length
630mm (24.8 in) standard
610 mm (24 inch)
Weight
12.5 kg (27.6 lb) M240B with bipod
5.9 kg
Magazine capacity
M13 disintegrating link belt, typically 50 or 100 rounds
50 or 100 round belt
Action type
Gas-operated, open bolt
Short-stroke gas piston, rotating bolt
Trigger type
Full auto only
Full auto only
Sights
Adjustable iron sights, Picatinny rail for optics
Picatinny rail for optics, backup iron sights
Calibers
FN MAG / M240
SIG MG 338