Steyr-Mannlicher STM556

Assault Rifle / Assault Carbine

The STM556 is designed to compete in the crowded AR-15 market - offered by the Austrian concern with a quick-change barrel feature and ambidextrous controls.

Authored By: Staff Writer | Edited: 1/12/2017

Specifications

Year: 2012
Manufacturer(s): Steyr-Mannlicher - Austria / Rheinmetall - Germany

Action: Selective Fire; Gas-Operated
Caliber(s): 5.56x45mm NATO
Sights: Iron Front and Rear; Optional Optics
Overall Length: 850 mm (33.46 in)
Barrel Length: 370 mm (14.57 in)
Weight (Unloaded): 6.33 lb (2.87 kg)

Muzzle Velocity: 2,900 feet-per-second (884 meters-per-second)
Rate-of-Fire: 900 rounds-per-minute
Effective Range: 1,650 ft (503 m; 550 yd)

Operators: Austria; United States

Variants / Models

• STM556 - Base Series Designation
• RS556 - Assault rifle form offered by Rheinmetall of Germany and Steyr-Mannlicher; variable barrel lengths; 4.2kg weight; lightweight adjustable stock; standard and optional accessories rail support.

Home
Aviation
Land Systems
Naval Warfare
The Warfighter
U.S. Military Pay
U.S. Military Ranks
World War 1
World War 2
DoD Glossary

Site Disclaimer | Privacy Policy | Cookies | Site Map

www.MilitaryFactory.com. Site content ©2003- MilitaryFactory.com, All Rights Reserved.

The "Military Factory" name and MilitaryFactory.com logo are registered ® U.S. trademarks protected by all applicable domestic and international intellectual property laws. All written content, illustrations, and photography are unique to this website (unless where indicated) and not for reuse/reproduction in any form. Material presented throughout this website is for historical and entertainment value only and should not to be construed as usable for hardware restoration, maintenance, or general operation. We do not sell any of the items showcased on this site. Please direct all other inquiries to militaryfactory AT gmail.com.

Part of a network of sites that includes GlobalFirepower, a data-driven property used in ranking the top military powers of the world, and WDMMA.org, the World Directory of Modern Military Aircraft.