The HK MR762A4 Upper Kit is a complete upper receiver assembly chambered in 7.62x51mm NATO (.308 Winchester), featuring a 13-inch free-float handguard and HK’s proven piston operating system.
- Type: Complete Upper Receiver Kit
- Caliber: 7.62x51mm NATO / .308 Winchester
- Compatible With: HK MR762A4 Lower Receivers
- Handguard Length: 13 inches
- Operating System: Gas Piston
- Includes: Upper Receiver, Barrel, Bolt Carrier Group, Charging Handle, Handguard
- Note: Lower receiver required to complete firearm. Ensure compliance with all federal, state, and local laws.
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