HK417 with a 20" barrel
Country of origin
7.62x51 mm NATO
~ 4.23 kg
1 005 - 1 085 mm
Cyclic rate of fire
Practical rate of fire
30 - 90 rpm
~ 600 m
Range of effective fire
~ 600 m
Heckler & Koch HK417 is essentially an enlarged version of the
assault rifle, chambered for a standard NATO 7.62x51 mm ammunition.
It can be seen as a follow-on to the venerable
Koch G3 battle rifle, which was used by more than 75 countries
worldwide. The HK417 was introduced in 2005. Versions of this
weapon, the G27 and G28 are used by the German Army. This
battle rifle is also in service with nearly 20 other countries. It
is mainly used by elite military units and special law enforcement forces.
HK417 is a gas-operated, selective-fire weapon. It traces its
origins back to the
carbine, that is widely used by the US military. Its
predecessor, the HK416, is an improved version of the M4, but
independently made and modified by the Heckler & Koch. Internally it
resembles Stoner-designed weapons, such as the
however it uses a patented gas piston system, derived from
Heckler & Koch G36 assault rifle, which is more reliable.
All the working parts of the HK416 were enlarged to suit the larger
7.62x51 mm ammunition.
HK417 has greater range and accuracy, that assault rifles chambered
for less powerful 5.56x45 mm round, like the HK416. Though at a cost
of increased weight, lower rate of fire and lower ammunition
capacity (both in magazine and carriage). Due to its long range and
good accuracy the HK417 is often used for designated marksman
role. Also there are versions of this weapon with a shorter barrels.
Three models with different barrel lengths are available. Special
forces, often prefer more compact rifles, that are chambered for
powerful 7.62x51 mm ammunition with greater penetrative power.
selector has three positions for "safe", "semi-auto" and
rifle is fed from 20-round capacity magazines. The magazine is
transparent, so it is easy to see the number of rounds left. This
weapon can be also fitted with a 50-round drum magazine, used on the
HK21E machine gun. With such magazines the HK417 can be used in
support and sustained fire applications. Designated marksmen
versions of the HK417 are also available with smaller 10-round
has got a telescopic buttstock, which is adjustable for length. The
buttstock has 6 different lengths of pull.
comes as standard with diopter-type sights. It also has a
Picatinny-type scope rail and can be used with various sights and
night vision scopes. Furthermore there are accessory rails on all
four sides of the foregrip. It can mount a 40 mm underbarrel grenade
launcher, bipod, vertical grips, laser pointers, sound suppressor
and other accessories.
an original production version. It was available as a carbine with a
12" (304 mm) barrel, compact rifle with a 16" (406 mm) barrel, and
full-size rifle with a 20" (508 mm) barrel. In 2013 it was
replaced in production by an improved HK417A2.
an improved version. In 2013 it replaced in production the original
HK417. Some of its parts were re-engineered to improve accuracy and
reliability. It is available as a carbine with a 13" (330 mm)
barrel, compact rifle with a 16.5" (419 mm) barrel, and full-size
rifle with a 20" (508 mm) barrel.
MR308 is a
civilian semi-automatic only version of the HK417.
G27 is a
version of the HK417A2 with a 13" (330 mm) barrel, reportedly used
by the German Army.
G28 is a
designated marksman version of the HK417. It was developed to meet
an urgent German Army requirement for the War in Afghanistan. This
semi-automatic weapon is actually based on the MR308 civilian rifle.
Still though approximately 75% of parts ate interchangeable with the
HK417. In 2016 a lighter version of the G28 was selected by the US
Army as a replacement for their M110 designated marksman rifle.