Heckler & Koch MR762 A4 Upper Receiver Kit 7.62x51mm 13" Barrel Black Finish

The Heckler & Koch MR762 A4 Upper Receiver Kit is a complete upper and barrel assembly chambered in 7.62×51mm/.308, featuring a 13-inch barrel with a black finish. It is designed to provide a compact, factory-built HK upper assembly that incorporates HKs piston-driven operating system and pairs with compatible 7.62 AR-style platforms. The kit includes an HK free-floating handguard and is intended for users seeking a high-quality 7.62×51mm upper configuration from HKs MR762A4 line.

• 13-inch 7.62×51mm barrel with black finish
• HK short-stroke gas piston system with adjustable gas block
• Free-floating HK handguard with modern accessory mounting

This MR762 A4 upper receiver kit offers a compact 7.62×51mm solution built around HKs proven piston system and free-floating rail design. It is suitable for shooters who want a premium HK MR762A4 upper to match with a compatible lower receiver.