Command Palette
Search for a command to run...
Command Palette
Search for a command to run...
Heckler & Koch MR556 vs SIG SG 553
Side-by-side technical comparison
Heckler & Koch MR556
RiflesIn production
SIG SG 553
RiflesIn production
Overview
Spec
Heckler & Koch MR556
SIG SG 553
Production
2007–present
1990–present
Units produced
Unknown
Unknown
Specifications
Spec
Heckler & Koch MR556
SIG SG 553
Overall length
920 mm
733 mm
Barrel length
406 mm
246 mm
Weight
4.2 kg
3.1 kg
Magazine capacity
30 rounds
20 rounds
Action type
short-stroke gas piston
Short-stroke gas piston
Trigger type
single-stage
Single stage
Sights
Flip-up or optics-ready
Adjustable diopter rear with front post
Calibers
Heckler & Koch MR556
SIG SG 553