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INFANTRY WEAPONS National Weapons  Weapons Manufacturers Types of Weapons
Heckler & Koch HK416
 
Heckler & Koch HK416
Country Germany
Type Assault rifle
Manufacturer Heckler & Koch
Introduction 2005
Specifications
Weight 3.02 kg (6.7 lb) (D10RS)
3.490 kg (7.69 lb) (D14.5RS)
3.560 kg (7.85 lb) (D16.5RS)
3.855 kg (8.50 lb) (D20RS)
Length 797 mm (31.4 in) stock extended / 701 mm (27.6 in) stock collapsed (D10RS)
900 mm (35.4 in) stock extended / 804 mm (31.7 in) stock collapsed (D14.5RS)
951 mm (37.4 in) stock extended / 855 mm (33.7 in) stock collapsed (D16.5RS)
1,037 mm (40.8 in) stock extended / 941 mm (37.0 in) stock collapsed (D20RS)
Barrel length 264 mm (10.4 in) (D10RS)
368 mm (14.5 in) (D14.5RS)
419 mm (16.5 in) (D16.5RS)
505 mm (19.9 in) (D20RS)
Width 78 mm (3.1 in)
Height 240 mm (9.4 in)
Cartridge 5.56x45mm NATO
Action Gas-operated, rotating bolt
Rate of fire 650 rounds/min
Muzzle velocity Varies by barrel length
Feed system 20, 30-round STANAG magazine
Sights Rear rotary diopter sight and front post, Picatinny rail

The HK416 is an assault rifle designed and manufactured by Heckler & Koch to be an improved version of the M4 Carbine pattern firearm. It is available as a complete firearm, or as an upper receiver kit that fits on any AR-15 type lower receiver.

The US Army’s Delta Force collaborated with the German arms makers to develop the new carbine. It replaced its M4s with the H&K 416 in 2004 after tests revealed that the piston operating system significantly reduces malfunctions while increasing the life of parts.

The project was originally called the HKM4, but this was changed in response to a trademark infringement suit filed by Colt Defense. It is speculated that \'416\' is a reference to the M4 and M16 it is designed to succeed. So far the weapon has reportedly been tested by the United States military as well as some law enforcement agencies. It is only available to government and military organizations currently.