
Heckler & Koch · Carbine
HK416 D14.5
Gas operated short stroke · 5.56x45mm NATO · introduced 2004
Also known as HK416 D14.5RS, HK416A5, M27 IAR
About the HK416 D14.5
The HK416 D14.5 is a select-fire carbine chambered in 5.56x45mm NATO, produced by Heckler & Koch GmbH since 2004. This German-manufactured firearm reflects the engineering traditions and quality standards of its country of origin, designed to meet the demands of both civilian and professional users in a competitive global marketplace. Featuring a 30-round magazine capacity, this carbine offers generous firepower for duty use and home defense. The 14.5-inch barrel maximizes accuracy potential and ballistic performance, making this an excellent choice for target shooting, competition, or field use. At 3490g (123.1 oz), this is a substantial firearm whose weight contributes to reduced felt recoil and enhanced stability during precision shooting. The aluminum alloy frame achieves a notable weight reduction compared to all-steel construction while maintaining the structural rigidity required for safe, reliable operation. This firearm represents its manufacturer's commitment to delivering a well-engineered, reliable product that serves the needs of discerning shooters seeking quality, accuracy, and dependable performance from a proven platform.
The HK416 gained worldwide fame when a DEVGRU operator reportedly used one to kill Osama bin Laden during Operation Neptune Spear on May 2, 2011. The rifle was developed in close collaboration with U.S. Army Delta Force operators who wanted a more reliable alternative to the M4 carbine.
HK416 D14.5 specifications
General
- Type
- Carbine
- Action
- Gas operated short stroke
- Firing mechanism
- Hammer-fired
- Trigger
- Single stage
- Trigger pull
- 3.5 kg (7.6 lb)
- Calibres
- 5.56x45mm NATO
- Magazine capacity
- 30 rounds
- Magazine
- Detachable box magazine
Dimensions
- Barrel length
- 368 mm (14.5 in)
- Overall length
- 900 mm (35.4 in)
- Folded length
- 733 mm (28.9 in)
- Height
- 236 mm (9.3 in)
- Width
- 78 mm (3.1 in)
- Weight (empty)
- 3.49 kg (7.69 lb)
- Weight (loaded)
- 4.11 kg (9.06 lb)
Barrel
- Rifling twist
- 1:7 in (178 mm)
- Rifling
- Right hand
- Grooves
- 6
Materials
- Barrel
- Steel
- Receiver / frame
- Aluminum
- Stock
- Polymer
- Finish
- black
Performance
- Muzzle velocity (typical)
- 882 m/s (2894 fps)
- Muzzle energy (typical)
- 1556 J (1148 ft·lb)
- Effective range
- 300 m
History
- Introduced
- 2004
- Production status
- In production
- Country of origin
- DE
Features
- Short stroke gas piston
- Cold hammer forged barrel
- Mil std 1913 rails
- Retractable stock
- Full auto
- Semi auto
- Stanag magazine compatible
- Folding front sight
- Adjustable rear sight
Safety
- Ambidextrous safety selector
- Firing pin safety
The HK416 gained international recognition when it was reportedly used by U.S. Navy SEALs during Operation Neptune Spear in 2011. The rifle has been adopted by over 20 countries and is considered one of the most reliable and accurate modern assault rifles. The cold hammer-forged barrel has a rated service life of 20,000 rounds.
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