Product Description
The Heckler & Koch MR762A4 is a premium semi-automatic rifle built around HK’s piston-driven 7.62 platform, combining robust construction with modern controls and accessory compatibility.
Chambered in 7.62x51mm NATO / .308 Winchester, this configuration features a 16.5-inch barrel and 20+1 capacity. The rifle uses HK’s short-stroke gas-piston operating system, designed for reliable cycling and reduced fouling compared with traditional direct-impingement layouts.
The A4 configuration incorporates a modern M-LOK handguard, full-length top rail, and ambidextrous controls, giving the rifle a contemporary setup suited for optics and accessories. Its substantial 7.62 chambering, premium build quality, and compact barrel length make it a strong fit for range use and precision-oriented sporting applications.
Features
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Manufacturer: Heckler & Koch / HK
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Model: MR762A4
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Manufacturer Part Number: 81000829
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UPC: 642230269453
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Caliber: 7.62x51mm NATO / .308 Winchester
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Action: Semi-Automatic
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Operating System: Short-Stroke Gas Piston
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Barrel Length: 16.5 inches
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Capacity: 20+1
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Magazine Capacity: 20 Rounds
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Handguard: M-LOK
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Top Rail: Full-Length Picatinny
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Controls: Ambidextrous
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Modern A4 Configuration
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Premium 7.62 Sporting Rifle Platform
