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Steyr-Mannlicher STM556

Assault Rifle / Assault Carbine

Steyr-Mannlicher STM556

Assault Rifle / Assault Carbine

OVERVIEW
SPECIFICATIONS
VARIANTS
HISTORY
IMAGES
OVERVIEW



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.
National Flag Graphic
ORIGIN: Austria
YEAR: 2012
MANUFACTURER(S): Steyr-Mannlicher - Austria / Rheinmetall - Germany
OPERATORS: Austria; United States
National flag of Austria
AST
National flag of United States
USA
SPECIFICATIONS



Common measurements, and their respective conversions, are shown when possible. * Calibers listed may be model/chambering dependent.
ACTION: Selective Fire; Gas-Operated
CALIBER(S)*: 5.56x45mm NATO
SIGHTS: Iron Front and Rear; Optional Optics
ADVERTISEMENTS
LENGTH (O/A)

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BARREL LGTH

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WEIGHT

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kilograms
MUZZLE VEL.

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fps
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meters-per-second
RATE-OF-FIRE

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RANGE (EFF)

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feet
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Yards
VARIANTS



Series Model Variants
• 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.










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