Heckler & Koch MR556 A4 Patriot Brown Receiver M-LOK 5.56 NATO Black Rifle
Caliber: 5.56 NATO · Capacity: 10+1
Specifications
Action Semi-Automatic
Finish Black
Sights Standard Sights
Weight 8.6 pounds
Capacity 10+1
Grip Safety No
Optic Ready Yes
Barrel Length 16.5 inches
Manual Safety Yes
Overall Length 32.5 inches
Trigger Safety No
Caliber / Gauge 5.56 NATO
Threaded Barrel Yes
Magazines Included 1
Ambidextrous Safety Yes
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
The Heckler & Koch MR556 A4 is a semi-automatic 5.56 NATO rifle built around HK’s short-stroke gas-piston operating system. This configuration combines a 16.5-inch threaded barrel with a Patriot Brown receiver, Picatinny top rail, M-LOK handguard, and six-position adjustable stock. The full-length rail supports the installation of a wide range of optics, while the factory flip-up sights provide a practical aiming solution when an optic is not installed. Its ambidextrous controls and adjustable stock support adaptable handling for a variety of shooting positions and users.
Key Features
- Short-stroke gas-piston system supports reliable semi-automatic operation
- 16.5-inch threaded barrel accommodates compatible muzzle devices
- Full-length Picatinny rail is optic ready for versatile sighting setups
- M-LOK handguard provides flexible accessory mounting with reduced bulk
- Six-position adjustable stock helps tailor length of pull
- Ambidextrous manual safety supports adaptable controls
The MR556 A4 combines HK operating-system features with a versatile rail and M-LOK configuration for range, training, and duty-oriented use.
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- SKU:
- 81001204
- UPC:
- 642230271081
- BUDS ID:
- 180690
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
