Model detail

HK MR556

HK

Track the current price range, compare UPC variants, and scan local, nationwide, and marketplace listings from one page.

Variants

4

Local deals

49

Nationwide

49

Caliber 5.56x45mm NATOCapacity 10+1Action Semi-Auto

Featured profile

HK MR556

HK MR556

Price summary

4 variants

Model variants 4
GunBroker listings 0
UPC 642230261624

Specifications

Model essentials

Core attributes pulled from the product profile, ready for side-by-side deal review below.

Caliber

5.56x45mm NATO

Capacity

10+1

Action

Semi-Auto

Category

Rifles

Subcategory

Semi Auto

UPC

642230261624

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Variant matrix

All variants (4)

Compare UPCs, barrel lengths, capacities, and pricing before jumping into listings.

UPCCaliberCapacityBarrelPriceAction
6422302616245.56x45mm NATO10+1——Find deals
642230262553223 Rem | 5.56 NATO30+1——Find deals
642230260238.223 Rem/5.56 Nato10——Find deals
642230262560223 Rem | 5.56 NATO10 + 1——Find deals
ProductStorePriceShippingStatus

In Stock (40)

HECKLER & KOCH MR556 A4 HECKLER & KOCH MR556 A4Guns.com See Price In Cart
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HK 81001204 MR556 A4 5.56x45mm 10+1 16.50" Black Threaded Barrel, Patriot Brown Picatinny Rail Receiver, M-LOK Handguard, 6 Position Black Synthetic Stock, Ambidextrous HK 81001204 MR556 A4 5.56x45mm 10+1 16.50" Black Threaded Barrel, Patriot Brown Picatinny Rail Receiver, M-LOK Handguard, 6 Position Black Synthetic Stock, AmbidextrousUnited States Association of Gun Owners $3,449.00
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MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdEcho 6 Weapons $3,749.00
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MR556 A1 16.50" 10 Round 5.56x45mm NATO AR15 Semi Auto Rifle MR556 A1 16.50" 10 Round 5.56x45mm NATO AR15 Semi Auto RifleThe Real Grit $3,199.00
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HK MR556 A4 11 Complete Upper Receiver Kit 5.56 NATO CHF Barrel Piston System Free Float Rail Black HK MR556 A4 11 Complete Upper Receiver Kit 5.56 NATO CHF Barrel Piston System Free Float Rail BlackBattleHawk Armory $2,179.00
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H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackTimber Hole Outdoors $3,749.00
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MR556 A4 5.56 16.5" 10+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 16.5" 10+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
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Heckler & Koch MR556 A4 5.56 11" Pistol, Threaded Heckler & Koch MR556 A4 5.56 11" Pistol, ThreadedGeorgia Guns & Ammo, LLC $3,749.00
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKBlack Bayou Armory $3,561.55
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MR556 A4 5.56 16.5" 30+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 16.5" 30+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
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HECKLER & KOCH MR556 A4 HECKLER & KOCH MR556 A4Guns.com See Price In Cart
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H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackHighland Arms LLC $3,749.00
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HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 30+1 HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 30+1MidwayUSA $3,749.00
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HK MR556 HK MR556Guns.com See Price In Cart
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKDown Range Firearms LLC $3,749.00
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKArmed In Michigan $3,749.00
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HK MR556 “Battle Worn” Finish 5.56 Platform — M-LOK Rail, HK Soft Case, Bipod + Vertical Grip HK MR556 “Battle Worn” Finish 5.56 Platform — M-LOK Rail, HK Soft Case, Bipod + Vertical GripGunprime $2,999.00
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HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 30+1 Round Black HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 30+1 Round BlackMidwayUSA $3,299.00
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HK Heckler & Koch MR556 556 Nato Tropentarn Camo 75th Anniversary 81001003 HK Heckler & Koch MR556 556 Nato Tropentarn Camo 75th Anniversary 81001003Gunprime $4,199.00
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HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDBUNKER HILL BALLISTICS $3,749.00
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H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackParamount Defense LLC $3,749.00
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In StockOnline Only
HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDCUMMINGS FAMILY FIREARMS $3,749.00
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H&K MR556 | 5.56 NATO | 16.5" Tropentarn H&K MR556 | 5.56 NATO | 16.5" TropentarnDarmok Firearms $3,586.00
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H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackNadir Solutions $3,749.00
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HK MR556 A4 | 5.56 NATO | 11" | 81001051 HK MR556 A4 | 5.56 NATO | 11" | 81001051Darmok Firearms $3,470.00
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In StockOnline Only
HK 81001202 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic 6 Position Stock, Black Polymer Grip, Ambidextrous HK 81001202 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic 6 Position Stock, Black Polymer Grip, AmbidextrousUnited States Association of Gun Owners $3,449.00
Free Shipping
In StockOnline Only
HECKLER & KOCH MR556 HECKLER & KOCH MR556Guns.com See Price In Cart
Free Shipping
In StockOnline Only
MR556 A4 5.56 11" 10+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 11" 10+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
Free Shipping
In StockOnline Only
HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDSchaefer Defense $3,749.00
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HECKLER & KOCH MR556 A4 *10 ROUND* HECKLER & KOCH MR556 A4 *10 ROUND*Guns.com $4,103.99
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MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdGunPro.com $3,749.00
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HECKLER & KOCH MR556A1 *10-ROUND* HECKLER & KOCH MR556A1 *10-ROUND*Guns.com $3,299.99
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MR556 A4 5.56 11 10+1 BLK MR556 A4 5.56 11 10+1 BLKBattleHawk Armory $3,749.00
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MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdBulletproof Outfitters $4,288.09
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MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdRedsand Tactical LLC $3,749.00
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKSnyder Shooting Supply $3,749.00
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HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 20+1 HK MR556 A4 Semi Automatic Rifle 5.56x45mm NATO 16.5" Black Threaded Barrel Matte Frame Black Stock Pistol Grip 20+1MidwayUSA $3,749.00
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKLessons In Firearms Education $3,749.00
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HK Heckler & Koch MR556 556 Nato Flecktarn Limited Edition 16" Barrel 81001001 HK Heckler & Koch MR556 556 Nato Flecktarn Limited Edition 16" Barrel 81001001Gunprime $4,149.00
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HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDUSA Gun Store $3,749.00
Free Shipping
In StockOnline Only
ProductStorePriceShippingStatus

In Stock (40)

HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDCUMMINGS FAMILY FIREARMS $3,749.00
Free Shipping
In StockOnline Only
HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKArmed In Michigan $3,749.00
Free Shipping
In StockOnline Only
HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDUSA Gun Store $3,749.00
Free Shipping
In StockOnline Only
MR556 A4 5.56 16.5" 10+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 16.5" 10+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
Free Shipping
In StockOnline Only
MR556 A1 16.50" 10 Round 5.56x45mm NATO AR15 Semi Auto Rifle MR556 A1 16.50" 10 Round 5.56x45mm NATO AR15 Semi Auto RifleThe Real Grit $3,199.00
Free Shipping
In StockOnline Only
HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKDown Range Firearms LLC $3,749.00
Free Shipping
In StockOnline Only
HK Heckler & Koch MR556 556 Nato Tropentarn Camo 75th Anniversary 81001003 HK Heckler & Koch MR556 556 Nato Tropentarn Camo 75th Anniversary 81001003Gunprime $4,199.00
Free Shipping
In StockOnline Only
HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDSchaefer Defense $3,749.00
Free Shipping
In StockOnline Only
MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdEcho 6 Weapons $3,749.00
Free Shipping
In StockOnline Only
HECKLER & KOCH MR556 A4 HECKLER & KOCH MR556 A4Guns.com See Price In Cart
Free Shipping
In StockOnline Only
HECKLER & KOCH MR556 A4 HECKLER & KOCH MR556 A4Guns.com See Price In Cart
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In StockOnline Only
MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdBulletproof Outfitters $4,288.09
Free Shipping
In StockOnline Only
MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdRedsand Tactical LLC $3,749.00
Free Shipping
In StockOnline Only
HK 81001201 MR556 A4 5.56x45mm 30+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic Pistol Tube, Black Polymer Grip, Ambidextrous HK 81001201 MR556 A4 5.56x45mm 30+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic Pistol Tube, Black Polymer Grip, AmbidextrousUnited States Association of Gun Owners $3,449.00
Free Shipping
In StockOnline Only
MR556 A4 5.56 11" 30+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 11" 30+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
Free Shipping
In StockOnline Only
H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackNadir Solutions $3,749.00
Free Shipping
In StockOnline Only
H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackHighland Arms LLC $3,749.00
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In StockOnline Only
HECKLER & KOCH MR556 A4 *10 ROUND* HECKLER & KOCH MR556 A4 *10 ROUND*Guns.com $4,103.99
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Heckler & Koch MR556 A4 5.56x45mm NATO 11 inch Barrel 10+1 Capacity Gray Finish Heckler & Koch MR556 A4 5.56x45mm NATO 11 inch Barrel 10+1 Capacity Gray FinishShooting Surplus $3,749.00
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Heckler & Koch MR556 A4 5.56 11" Pistol, Threaded Heckler & Koch MR556 A4 5.56 11" Pistol, ThreadedGeorgia Guns & Ammo, LLC $3,749.00
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In StockOnline Only
MR556 A4 5.56 11 10+1 BLK MR556 A4 5.56 11 10+1 BLKBattleHawk Armory $3,749.00
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In StockOnline Only
H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackParamount Defense LLC $3,749.00
Free Shipping
In StockOnline Only
HK 81001202 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic 6 Position Stock, Black Polymer Grip, Ambidextrous HK 81001202 MR556 A4 5.56x45mm 10+1 11" Black Threaded Barrel, M-LOK Handguard, Patriot Brown Picatinny Rail Receiver, Black Synthetic 6 Position Stock, Black Polymer Grip, AmbidextrousUnited States Association of Gun Owners $3,449.00
Free Shipping
In StockOnline Only
MR556 A1 16.5" 30 Round 5.56x45mm NATO AR15 Semi Auto Rifle - Black MR556 A1 16.5" 30 Round 5.56x45mm NATO AR15 Semi Auto Rifle - BlackThe Real Grit $3,199.00
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In StockOnline Only
HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 30+1 Round Black HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 30+1 Round BlackMidwayUSA $3,299.00
Free Shipping
In StockOnline Only
MR556 A4 5.56 11" 10-rd MR556 A4 5.56 11" 10-rdGunPro.com $3,749.00
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In StockOnline Only
HK MR556 A4 | 5.56 NATO | 11" | 81001051 HK MR556 A4 | 5.56 NATO | 11" | 81001051Darmok Firearms $3,470.00
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In StockOnline Only
HK 81001033 MR556 A4 5.56x45mm 10+1 16.50" Black Barrel, Black Receiver w/Picatinny Rail, Black Polymer Stock, Black Polymer Grip, Ambidextrous HK 81001033 MR556 A4 5.56x45mm 10+1 16.50" Black Barrel, Black Receiver w/Picatinny Rail, Black Polymer Stock, Black Polymer Grip, AmbidextrousUnited States Association of Gun Owners $3,799.00
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In StockOnline Only
MR556 A4 5.56 16.5" 30+1 GRY223 Rem | 5.56 NATO MR556 A4 5.56 16.5" 30+1 GRY223 Rem | 5.56 NATOUnited States Association of Gun Owners $3,749.00
Free Shipping
In StockOnline Only
H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel Black H&K MR556 A4 Handgun 5.56mm 10rd Magazine(1) 11'' Barrel BlackTimber Hole Outdoors $3,749.00
Free Shipping
In StockOnline Only
HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 10+1 Round Black HK MR556 A4 5.56x45 NATO Pistol 11" Threaded Barrel 10+1 Round BlackMidwayUSA $3,449.00
Free Shipping
In StockOnline Only
HK 81001204 MR556 A4 5.56x45mm 10+1 16.50" Black Threaded Barrel, Patriot Brown Picatinny Rail Receiver, M-LOK Handguard, 6 Position Black Synthetic Stock, Ambidextrous HK 81001204 MR556 A4 5.56x45mm 10+1 16.50" Black Threaded Barrel, Patriot Brown Picatinny Rail Receiver, M-LOK Handguard, 6 Position Black Synthetic Stock, AmbidextrousUnited States Association of Gun Owners $3,449.00
Free Shipping
In StockOnline Only
HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKBlack Bayou Armory $3,561.55
Free Shipping
In StockOnline Only
HK MR556 A4 5.56 11 TB PISTOL 1 10RD HK MR556 A4 5.56 11 TB PISTOL 1 10RDBUNKER HILL BALLISTICS $3,749.00
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HK MR556 HK MR556Guns.com See Price In Cart
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKSnyder Shooting Supply $3,749.00
Free Shipping
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HK MR556 A4 556NATO 11" 10RD BLK HK MR556 A4 556NATO 11" 10RD BLKLessons In Firearms Education $3,749.00
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HECKLER & KOCH MR556 HECKLER & KOCH MR556Guns.com See Price In Cart
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HK Heckler & Koch MR556 556 Nato 16" Barrel Optics Ready 10 Round Capacity 81000580 HK Heckler & Koch MR556 556 Nato 16" Barrel Optics Ready 10 Round Capacity 81000580Gunprime $2,999.00
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HK MR556 A4 11 Complete Upper Receiver Kit 5.56 NATO CHF Barrel Piston System Free Float Rail Black HK MR556 A4 11 Complete Upper Receiver Kit 5.56 NATO CHF Barrel Piston System Free Float Rail BlackBattleHawk Armory $2,179.00
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