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HK21 vs Steyr MG 74
Side-by-side technical comparison
HK21
Other WeaponsDiscontinued
Steyr MG 74
Other WeaponsIn production
Overview
Spec
HK21
Steyr MG 74
Production
1961–1980
1974–present
Units produced
Unknown (tens of thousands)
Unknown
Specifications
Spec
HK21
Steyr MG 74
Overall length
1030 mm
1,225mm (48.2 in)
Barrel length
450 mm
565mm (22.2 in)
Weight
9.0 kg
12.2 kg (26.9 lb) with bipod
Magazine capacity
Belt fed (100 round box)
50-round drum or continuous belt
Action type
Roller-delayed blowback
Recoil-operated, roller-locked delayed blowback
Trigger type
Automatic only
Full auto only
Sights
Iron sights (diopter)
Adjustable iron sights, optional optics mount
Calibers
HK21
Steyr MG 74