A direct descendant of the HK416, the HK MR556 for sale offers impeccable durability, precision, and battle proven reliability. This rifle utilizes a "closed" short stroke gas piston system …

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 …

Find Heckler & Koch Inc MR556 for Sale. Compare prices for in stock Heckler & Koch Inc MR556 guns from more than 100 stores online on gun.deals.

Heckler and Koch’s MR556 Semi-Automatic Rifle is a direct descendant of the HK416. Developed by HK as a premium level commercial/civilian firearm with match rifle capability, the MR556 is …

The MR556A1 is an improved version of the MR556 with a free floating modular rail system, Picatinny rail, and interchangeable receiver assemblies. The MR556A1 is the civilian version …

The latest update from HK-USA to the commercial variant of the legendary HK416, the MR556 A4 represents an enhanced example of “no compromise” HK performance.

Apr 4, 2023 · HK USA has no drive and motivation to improve the MR line. In fact the MR556 has only gotten worse over the years. They started as coming with German quad rails, German …

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Apr 5, 2017 · MR556 barrels are profiled differently (heavier) and not chrome lined. MR556 gas blocks are not vented and none have sling loops. HK416 A3 10" gas blocks are vented and …