The AUG A3 M1 24-inch Heavy is a dedicated precision and sustained-fire configuration with a heavy-profile barrel that resists heat buildup during extended firing sessions. The heavier barrel profile provides improved harmonic consistency shot-to-shot compared to the standard 24-inch configuration and is rated for higher sustained fire rates. Intended for competition and law enforcement sniper-support roles where extended engagement is possible. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2016, Austria Weight: 88 oz Overall length: 35.5" Status: Active Intended use: competition, precision, law_enforcement