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Heckler & Koch HK416

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Heckler & Koch HK416
Country of origin

Germany

Manufacturer(s)

Heckler & Koch

Designer(s)

Ernst Mauch

Production began

2005

Weapon type

Assault rifle

Caliber

5.56 x 45 mm NATO

Action

Gas-operated, Rotating bolt

Overall length
  • HK416C: 690 millimeters stock extended / 560 millimeters stock collapsed
  • D10RS: 797 millimeters stock extended / 701 millimeters stock collapsed
  • D14.5RS: 900 millimeters stock extended / 804 millimeters stock collapsed
  • D16.5RS: 951 millimeters stock extended / 855 millimeters stock collapsed
  • D20RS: 1,037 millimeters stock extended / 941 millimeters stock collapsed
Barrel length
  • HK416C: 228 millimeters
  • D10RS: 264 millimeters
  • D14.5RS: 368 millimeters
  • D16.5RS: 419 millimeters
  • D20RS: 505 millimeters
Weight empty
  • HK416C: 2.950 kilograms
  • D10RS: 3.020 kilograms
  • D14.5RS: 3.490 kilograms
  • D16.5RS: 3.560 kilograms
  • D20RS: 3.855 kilograms
Cyclic rate

700-900 rounds per minute


The HK416 is an AR-15-variant assault rifle, manufactured by Heckler & Koch. It features a proprietary short stroke gas piston system derived from the Heckler & Koch G36 family of assault rifles.

HistoryEdit

It is currently in use by some United States Special Operations Units as a replacement for the M4, and the Norwegian Armed Forces as a replacement for the AG3. It is also used by some European special operations forces, like the Polish GROM and the German KSK.

Design detailsEdit

HK416 Red Dot

A HK416 equipped with a red dot sight and vertical grip.

The HK416 is very similar to the M4 in appearance, but is different internally. The primary difference between this weapon and the M4 series is the short-stroke offset piston system, replacing the expanding gas inline piston system usually found in AR-pattern rifles. The mechanism of the rifle is actually closer to the H&K G36, rather than AR-pattern rifles. The HK416 has a slightly larger diameter bolt (.53 overall diameter (OD), as opposed to .512 OD) than the AR-15 does; an AR-15 bolt will fit in the HK416 carrier, rather loosely.[1]

The HK416 has a quad rail to mount a variety of accessories and can mount the AG36 grenade launcher in seconds without any modifications. It also comes in a 7.62x51mm version called the HK417 which makes it a rival to the FN SCAR-L and FN SCAR-H that are currently in trials with US SOCOM. An HK416 upper receiver can fit on any AR-15 lower receiver without modification.





VariantsEdit

MR556Edit

The MR556 is the HK416, but with a semi-auto FCG instead of a select-fire FCG. There are other minor differences as well.

M27 Infantry Automatic RifleEdit

Modified HK416 rifle developed for the United States Marine Corps Infantry Automatic Rifle program. This design won out, becoming the M27 IAR.

See alsoEdit

ReferencesEdit

  1. http://www.m4carbine.net/showpost.php?p=1322511&postcount=66

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