Physical
The physical qualities of the Steyr-Mannlicher STM556. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
850 mm
33.46 in
O/A Length
370 mm
14.57 in
Barrel Length
6.33 lb
2.87 kg
Weight
Selective Fire; Gas-Operated; Short-Stroke Piston
Action
5.56x45mm NATO (.223 Remington)
Caliber(s)
10-round detachable box magazine
Feed
Iron Front and Rear; Optional Optics
Sights