• HK MR556 5.56mm Semi-Auto 16.5

HK MR556 5.56mm Semi-Auto 16.5" Barrel M-LOK Rifle w/(1) 10rd Mag 81000580

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Action
Semi-Auto
Barrel Length
16.5in
Caliber
5.56×45mm NATO
Capacity
10
Finish Per Color
Black
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Manufacturer: Heckler and Koch
Product Line: MR556A1
Action: Semi Automatic
Caliber: 5.56x45
Barrel Length: 16.5"
Barrel Contour: Medium
Overall Length: 33.9"-37.68"
Capacity: 10 Rounds
Weight: 8.6 lbs
Finish: Black

A direct descendant of the world-famous HK416, the MR556A1 is the commercial carbine from the same DNA. It offers the battlefield-proven reliability, durability and precision you would expect from a rifle that bears the name Heckler & Koch. The MR556A1 is assembled in the USA using US and German-made components and uses many of the same parts and assemblies developed for the HK416. Like the HK416, the MR556A1 uses a proprietary HK short-stroke gas piston in place of the direct-gas-impingement system found on lesser AR15-style rifles that propels exhaust gas into the upper receiver to operate the action. When adverse conditions, like dust, sand and mud are introduced, the advantage of the HK system becomes even more drastic. That is why so many of the world's elite military and law-enforcement customers have absolute trust in their HKs.

Action
Action
Semi-Auto
Barrel
Barrel Length
16.5in
Twist
1:7"
Caliber
Caliber
5.56×45mm NATO
Capacity
Capacity
10
Dimensions
Overall Length
35.79"
General
Finish Per Color
Black
Model
Product Line
MR556A1
Type
Centerfire
Grip
Grips
Black Furniture
Hand Orientation
Right-Handed
Magazine
Magazines Included
(1) 30rd Mag
Rounds
Rounds
10
Safety
Safety
Ambidextrous selector lever
Sights
Iron Sights
No
Scope Mount
Picatinny Rail
Sights
Optics Ready
Stock
Stock
Collapsible/Folding Stock
Trigger
Trigger
7.64 lbs Pull Weight
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