The 20-inch HK416 A5 is the designated marksman and competition-focused configuration, delivering the maximum velocity potential of the 5.56x45mm cartridge from the piston-driven HK416 platform. The full-length barrel provides a longer sight radius, improved accuracy potential, and better sustained fire cooling compared to shorter variants. Used by designated marksmen who require precision at the outer edge of the cartridge's effective range. Type: Rifle Action: Semi-Automatic Caliber: 5.56x45mm Capacity: 30 Year introduced: 2015, Germany Weight: 86 oz Overall length: 38.6" Status: Active Intended use: competition, precision, dmr