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HK MR556 Competition 5.56 NATO Rifle HK-CR556-A1

SKU: HK-CR556-A1

HK MR556 Competition 5.56 NATO Rifle HK-CR556-A1


  • This product has been discontinued.
FFL Restrictions

FFL Requirements
This item can only be shipped to a Licensed Federal Firearms Dealer. Please see our Shipping Policy to review firearms shipping requirements.

Export Restrictions

Government Export Restriction
This item may be regulated for export by the U.S. Department of State or the US Department of Commerce. Please see our Export Policy.

ITAR Restrictions

ITAR Product
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With input from competitive shooters, Heckler & Koch developed the MR556A1 Competition Model which is ideal for 3-gun matches. The MR556A1 Competition features a 14" modular rail system, special target rifle takedown pins, extended latch charging handle, free-floating barrel-to-handguard, extended magazine release, keyhole attachment system, two-stage trigger, ambidextrous safety/selector level, Operator Suppressor Systems Inc. compensator, easily adjustable Magpul CTR buttstock, cold hammer forged German-made long service barrel, and a piston operating system with a gas piston and pusher rod.


Caliber:5.56 NATO
Weight:8.81 lb
Rifle Overall Length:37"
Trigger:7.64 lb trigger pull
Safety:Ambidextrous safety
Rifle Barrel Length:16.5"
Rifle Barrel Twist:1"7"
Rifle Stock:Adjustable buttstock MAGPUL CTR 6 positions
Scope Mount:14" modular rail system
Iron Sights No
Caliber or Gauge:5.56 x 45mm NATO
HandednessRight Hand
Item ConditionNew
Product TypeRifles


Reviews for HK MR556 Competition 5.56 NATO Rifle HK-CR556-A1

Average Rating

by on April 11, 2018

Great rifle, good price and fast shipping. Outstanding experience. Thanks

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by on December 8, 2017

HK 556 competion rifle ....whoooaa. I love this thing. It does not matter which 556/223 round you put in it will spit it out precisely like angry mother in law. German engineering at it's finest . No play in this rifle . Trigger is heavy but I can send that to Bill Springfield in CO (the man is HK trigger whisperer) and he'll take care of that . New Gen 3 magpul mags a go and older mags no go other then E mags. HK included one plastic mag also works very well. HK also included nice black carbine bag with HK tool and instruction manual . 0 MOA rail and I have put Trijicon 1x8x28 Accupower on top. With Zero Delta 0 moa 34mm rings, excellent choice. If/when SHTF scenario this is the rifle that will be in my arms . My only 'beef' would be ambidextrous safety, in my scenario is little bit in the way when I'm gripping the handle when firing, not big deal since I can change the grip as well. Great choice if you can get it do not hesitate !!

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