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Heckler & Koch MP5K vs United Defense M42
Side-by-side technical comparison
Heckler & Koch MP5K
Submachine GunsIn production
United Defense M42
Submachine GunsDiscontinued
Overview
Spec
Heckler & Koch MP5K
United Defense M42
Production
1976–present
1942–1945
Units produced
Unknown
Approximately 15,000
Specifications
Spec
Heckler & Koch MP5K
United Defense M42
Overall length
325 mm
820 mm
Barrel length
115 mm
267 mm
Weight
2.0 kg
3.2 kg
Magazine capacity
30 rounds
25 rounds
Action type
Roller-delayed blowback
Blowback
Trigger type
Selective fire
Single stage
Sights
Fixed front post and adjustable rear aperture
Fixed front post, rear aperture
Calibers
Heckler & Koch MP5K
United Defense M42