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Heckler & Koch INC MR556A1 5.56 NATO 30+1 MR EXPLORER CASE - Blue/Black, 16.5" Barrel, 30 Rounds, Synthetic, Adjustable Stock

   4 Reviews
| 3 Questions & Answers
Model: 91000010
 
Condition: Factory New
 
Bud's Item Number: 411558825
 
UPC: 642230259089
 
MFG: HK

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Includes MR Explorer Case Free- $289 retail Value

A direct descendent of the HK416, the MR556A1 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm with match rifle capability. Like the HK416, the MR556A1 is a major product improvement over conventional AR-type carbines and rifles.

The MR556A1 uses the HK proprietary gas piston operating system, employing a piston and a solid operating “pusher” rod in place of the gas tube normally found in AR15/M16/M4-style firearms.

This method of operation virtually eliminates malfunctions that are common to direct impingement gas systems since hot carbon fouling and waste gases do not enter the receiver area. This is the same key feature critical to the success of the HK416 rifles used by leading military and law enforcement customers.

The MR556A1 is produced in the USA using American and German made components. The MR556A1 uses many of the same assemblies and accessories originally developed for the HK416.

Like the famous HK416, the MR556A1 uses a German-made barrel produced by Heckler & Koch’s famous cold hammer forging process. The highest quality steel is used in this unique manufacturing process producing a barrel that provides superior accuracy and long service life.

But unlike the HK416, the MR556A1 does not use a chrome-lined barrel. Chrome-lining can sometimes mask bore imperfections and negatively affect accuracy. For the new series of Heckler & Koch semi-automatic MR rifles, HK designers and engineers believe best accuracy comes with an unlined bore.

The unchromed barrel has an internal profile of 6 lands and grooves with a 1 in 7 inch (178 mm) twist. It is also moderately “swagged” with a slightly smaller internal diameter at the muzzle end than the chamber end. This feature has a positive effect on bullet accuracy and velocity. The thick, heavy contour 16.5-inch MR556A1 barrel also contributes to its excellent accuracy.

A precise enhanced two-stage trigger adds significantly to the accuracy of the MR556A1 and an extended latch charging handle makes operating the rifle with a telescopic sight easier. The retractable buttstock can be locked into a solid, non-moving position by tightening an Allen screw in the bottom of the stock. Special target rifle takedown pins ensure the upper and lower receivers are firmly mated for accurate performance.

Designed to function with a wide variety of high quality 5.56 x 45 mm ammunition, the MR556A1 uses a C.I.P. dimensioned chamber (a chamber with dimensions specified by the Commission Internationale Permanente).The MR556A1 also functions reliably with most quality Caliber .223 Remington ammunition.

The MR556A1 is being produced with the same commitment to quality as German-made HK firearms. By using joint U.S./German manufacturing, Heckler & Koch leverages the relative strengths of two continents to make the preeminent AR-type firearm, combining the designs innovations of the USA and Germany into one new product.


OUT OF STOCK
Retail Store Availability
In-Store Purchase Only
Lexington, KY Not in store
Greenville, KY Not in store
Sevierville, TN Not in store
*Please Note!! Many of our pictures are stock photo\'s provided to us by the manufacturer and do not necessarily represent the actual item being purchased. Please verify this picture accurately reflects the product described by the title and description on this page before you place your order.
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Heckler & Koch INC MR556A1 5.56 NATO 30+1 MR EXPLORER CASE
Model
91000010
Condition
Factory New
Bud's Item #
411558825
UPC
642230259089
Manufacturer
HK

Includes MR Explorer Case Free- $289 retail Value

A direct descendent of the HK416, the MR556A1 is a semi-automatic rifle developed by Heckler & Koch as a premium level commercial/civilian firearm with match rifle capability. Like the HK416, the MR556A1 is a major product improvement over conventional AR-type carbines and rifles.

The MR556A1 uses the HK proprietary gas piston operating system, employing a piston and a solid operating “pusher” rod in place of the gas tube normally found in AR15/M16/M4-style firearms.

This method of operation virtually eliminates malfunctions that are common to direct impingement gas systems since hot carbon fouling and waste gases do not enter the receiver area. This is the same key feature critical to the success of the HK416 rifles used by leading military and law enforcement customers.

The MR556A1 is produced in the USA using American and German made components. The MR556A1 uses many of the same assemblies and accessories originally developed for the HK416.

Like the famous HK416, the MR556A1 uses a German-made barrel produced by Heckler & Koch’s famous cold hammer forging process. The highest quality steel is used in this unique manufacturing process producing a barrel that provides superior accuracy and long service life.

But unlike the HK416, the MR556A1 does not use a chrome-lined barrel. Chrome-lining can sometimes mask bore imperfections and negatively affect accuracy. For the new series of Heckler & Koch semi-automatic MR rifles, HK designers and engineers believe best accuracy comes with an unlined bore.

The unchromed barrel has an internal profile of 6 lands and grooves with a 1 in 7 inch (178 mm) twist. It is also moderately “swagged” with a slightly smaller internal diameter at the muzzle end than the chamber end. This feature has a positive effect on bullet accuracy and velocity. The thick, heavy contour 16.5-inch MR556A1 barrel also contributes to its excellent accuracy.

A precise enhanced two-stage trigger adds significantly to the accuracy of the MR556A1 and an extended latch charging handle makes operating the rifle with a telescopic sight easier. The retractable buttstock can be locked into a solid, non-moving position by tightening an Allen screw in the bottom of the stock. Special target rifle takedown pins ensure the upper and lower receivers are firmly mated for accurate performance.

Designed to function with a wide variety of high quality 5.56 x 45 mm ammunition, the MR556A1 uses a C.I.P. dimensioned chamber (a chamber with dimensions specified by the Commission Internationale Permanente).The MR556A1 also functions reliably with most quality Caliber .223 Remington ammunition.

The MR556A1 is being produced with the same commitment to quality as German-made HK firearms. By using joint U.S./German manufacturing, Heckler & Koch leverages the relative strengths of two continents to make the preeminent AR-type firearm, combining the designs innovations of the USA and Germany into one new product.

4 Reviews. 5 out of 5 Stars!
5 Stars
100%
4 Stars
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3 Stars
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Brian B on 03/29/2022
Rating:   5 of 5 Stars!

This gun slaps. You can feel and see the quality. It’s heavy though. I personally wish there was a lightweight aftermarket barrel option… a guy can dream. If you are looking for a lightweight rifle look elsewhere. Is it worth $3k+…? It is for me.

Donald F on 10/05/2019
Rating:   5 of 5 Stars!

Its a HK so not much else needs to be said. Added to my collection of a 2-Daniel Defense AR 15s and a Larue AR10. The MR556 by far has the best feel from then start. Its a beauty..

Richard M on 08/01/2019
Rating:   5 of 5 Stars!

So I would like to start by saying this was my first purchase using Bud's and I have to say I'm extremely satisfied with the entire process. The price was excellent in comparison to other sites Bud's was far and away better in price, they also shipped quickly and very reasonably. Gun came exactly as advertised and shown on their site. All in I will be using Bud's way more frequently. Not much to say about the rifle, if you know about the mr556a1 then you know how amazing it is, and this one is no different, it will never leave the collection. Bud's, thank you you know have a lifetime customer.

Justin G on 03/27/2019
Rating:   5 of 5 Stars!

This is a very great rifle. You can’t go wrong with an HK. The Explorer case is a plus as well. I wish the case had more removable foam inserts. I’ve put quite a few accessories on the rifle and I will have to cut into the foam in order for the rifle to fit. Iron sites are dead on right out of the box. I ran 500 rounds through her on her first trip to the range. No hiccups. Rifle came with one HK steel magazine, not the HK polymer mag. I would definitely recommend this rifle to a friend. Bud’s shipping was very quick as always.

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