HK MR556 A4 5.56 NATO Semi-Auto Pistol with M-LOK Handguard
- Item Number: 81001050
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- Condition: NEW
Product Description
What's in the Box
- HK MR556 A4 Pistol
- (1) 30 Round Magazine
- Cable Lock
- Owner's Manuel
The HK MR556 A4 features a short-stroke gas piston operating system that keeps hot carbon fouling out of the action, allowing for longer runtimes, reduced maintenance, and decreased wear on internal components. An adjustable gas regulator enables reliable tuning for suppressed or unsuppressed use. Fully ambidextrous controls, reduced weight, and a slimmer profile make the A4 faster and easier to operate while maintaining HK’s legendary durability and performance.
Firearm Features
- Short-stroke gas piston operating system
- Adjustable gas regulator for suppressed or unsuppressed use
- Fully ambidextrous controls and safety
- Threaded 11" barrel
- M-LOK handguard
- Picatinny top rail receiver
- Slim, lightweight A4 profile
Firearm Specifications
- Manufacturer: HK
- Model: MR556
- Series: A4
- Caliber: 5.56x45mm NATO
- Action: Semi-Auto
- Operating System: Gas Piston
- Barrel Length: 11"
- Overall Length: 26.50"
- Twist Rate: 1:7"
- Finish: Black
- Sights: None
- Grips / Stock: Black Polymer / Pistol Tube
- Magazine Capacity: 30 + 1
- Weight: 6.61 lbs
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