HK Heckler & Koch MR556A1 Flat Dark Earth 5.56 30+1 Troy Sights Magpul CTR stock - 30 Rounds, Synthetic, Magpul CTR Stock
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A direct descendant of the world-famous HK416, the MR556A1 is the commercial carbine from the same DNA. 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 German-made components and uses many of the same parts and assemblies developed for the HK416.
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.
And when adverse conditions, like dust, sand and mud are introduced, the advantage of the HK system becomes even more drastic. That is why so many of the world’s elite military and law-enforcement customers have absolute trust in their HKs.
The MR556A1’s barrel is cold hammer forged from the highest quality
cannon-grade steel. It has a 1 in 7” twist and a taper-bore configuration,
with a slightly smaller diameter at the muzzle for improved accuracy
and velocity. And while the material and cold hammer forging process
themselves greatly enhance durability, HK’s processes include many
additional steps not taken by other manufacturers to produce superior
accuracy and service life, ensuring performance well beyond “mil-spec.”
Caliber 5.56 x 45 mm NATO
Operating principle Gas operated, short stroke piston
Bolt system Rotating bolt
Magazine 10/20/30 rounds
Mode of fire Semi-automatic
Dimensions
Length, maximum (stock extended) 37 in / 940 mm
Length, minimum (stock retracted) 33.75 in / 857 mm
Width 3.07 in / 78 mm Height 9.45 in / 240 mm
Barrel length 16.5 in /421 mm
Weight Rifle (with empty magazine) 9.1 lb / 4.13 kg
Other
Trigger pull 7.64 lb / 34 N ( approximate)
Barrel profile 6 lands & grooves, right twist, 1 in 7 in (178 mm)
Sight radius 14.81 in / 452 mm
Sights TROY micro sights
Adjustable buttstock MAGPUL CTR 6 positions, 3.25 in/ 83 mm of travel
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| Model 81000276 |
Condition Factory New |
| Bud's Item # 411559390 |
UPC 642230260672 |
|
Manufacturer HK |
A direct descendant of the world-famous HK416, the MR556A1 is the commercial carbine from the same DNA. 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 German-made components and uses many of the same parts and assemblies developed for the HK416.
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.
And when adverse conditions, like dust, sand and mud are introduced, the advantage of the HK system becomes even more drastic. That is why so many of the world’s elite military and law-enforcement customers have absolute trust in their HKs.
The MR556A1’s barrel is cold hammer forged from the highest quality
cannon-grade steel. It has a 1 in 7” twist and a taper-bore configuration,
with a slightly smaller diameter at the muzzle for improved accuracy
and velocity. And while the material and cold hammer forging process
themselves greatly enhance durability, HK’s processes include many
additional steps not taken by other manufacturers to produce superior
accuracy and service life, ensuring performance well beyond “mil-spec.”
Caliber 5.56 x 45 mm NATO
Operating principle Gas operated, short stroke piston
Bolt system Rotating bolt
Magazine 10/20/30 rounds
Mode of fire Semi-automatic
Dimensions
Length, maximum (stock extended) 37 in / 940 mm
Length, minimum (stock retracted) 33.75 in / 857 mm
Width 3.07 in / 78 mm Height 9.45 in / 240 mm
Barrel length 16.5 in /421 mm
Weight Rifle (with empty magazine) 9.1 lb / 4.13 kg
Other
Trigger pull 7.64 lb / 34 N ( approximate)
Barrel profile 6 lands & grooves, right twist, 1 in 7 in (178 mm)
Sight radius 14.81 in / 452 mm
Sights TROY micro sights
Adjustable buttstock MAGPUL CTR 6 positions, 3.25 in/ 83 mm of travel
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