CPJ016444 (DRRR) The Steyr Arms AUG A3 M1 is a modern, semi-automatic, bullpup rifle chambered in 5.56x45mm NATO/.223 Remington, known for its compact design, 16.37-inch cold-hammer-forged barrel, and 7.8 lb weight. It features a 2-position gas-piston system, interchangeable barrel, and integrated, optics-ready picatinny rail or 1.5X/3X optics. Key Features and Specifications: Operating System: Short-stroke gas-piston system with a 2-position adjustable gas regulator. Design: Bullpup configuration allows a 16-inch barrel within an overall length of 28.15 inches. Barrel: 16.37-inch (416mm) heavy barrel with 1:9" twist, cold-hammer-forged and Mannox-lined. Optics/Rail Options: Available in High-Rail (integral rail) or Short-Rail configurations, with factory-integrated 1.5X or 3X optics options. Magazines: Available in the standard AUG version (uses proprietary Steyr translucent magazines) or the NATO version (uses standard STANAG/AR-15 magazines). Color Options: Available in Black, Green, Trigger: Single-stage trigger, often with about a 9 lb 8 oz pull, though aftermarket upgrades are common. Controls: Reversible ejection, with an external bolt release. Performance and Utility: The AUG A3 M1 is highly regarded for close-quarters maneuverability due to its short length while maintaining rifle-length ballistics. It is a reliable platform, often utilized in multi-gun competitions, and by defense/law enforcement, with effective accuracy often reported out to 400-700 meters.