Description

The HK MR762A4 Upper Kit delivers a factory-built 7.62x51mm NATO/.308 Winchester upper receiver assembly designed for the MR762 platform.

  • Type: Complete upper receiver assembly
  • Caliber: 7.62x51mm NATO / .308 Winchester
  • Barrel Length: 16 inches
  • Barrel Type: Cold hammer-forged, chrome-lined
  • Handguard: Free-floating KeyMod rail system
  • Operating System: HK gas piston system
  • Compatibility: MR762 lower receivers
  • Includes: Upper receiver, barrel assembly, bolt carrier group, charging handle, handguard
  • Use: Rifle assembly, platform upgrade, replacement upper