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HK

HK 81000579 MR556 A1 Full Size 5.56x45mm 30+1 16.50" Black Medium Contour Barrel, Black Picatinny Rail, M-LOK Handguard, Black Synthetic Adjustable Stock, Black Polymer Grip, Right Hand

Product Code : 642230262553

$3,199.00

Mfg Item #: 81000579

The MR556A1 offers the battlefield-proven reliability, durability and precision you would expect from a rifle that bears the name Heckler & Koch. 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. In the "closed" HK piston system, exhaust gasses never enter the receiver, which means the HK runs cooler, cleaner and more reliably. When adverse conditions, like dust, sand and mud are introduced, the advantage of the HK system becomes even more drastic. 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.

StockBlack Synthetic/ Adjustable/ M-LOK Handguard
FinishBlack
SightsNo Sights
Capacity30+1
Model SeriesMR556
Barrel Length16.5
Overall Length37.68

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