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MG3 vs SIG MG 338
Side-by-side technical comparison
MG3
Other WeaponsIn production
SIG MG 338
Other WeaponsIn production
Overview
Spec
MG3
SIG MG 338
Production
1959–present
2016–present
Units produced
Over 1,000,000 (including MG 42 production)
Unknown
Specifications
Spec
MG3
SIG MG 338
Overall length
1,225mm (48.2 in)
1219 mm
Barrel length
565mm (22.2 in)
610 mm (24 inch)
Weight
11.5 kg (25.4 lb) with bipod
5.9 kg
Magazine capacity
50-round drum or continuous belt feed
50 or 100 round belt
Action type
Recoil-operated, roller-locked delayed blowback
Short-stroke gas piston, rotating bolt
Trigger type
Full auto only
Full auto only
Sights
Adjustable iron sights, optional optics
Picatinny rail for optics, backup iron sights
Calibers
SIG MG 338