The Heckler & Koch G3 is a select-fire battle rifle chambered in 7.62×51mm NATO developed in the 1950s by the West German firearms manufacturer Heckler & Koch, in collaboration with the Spanish state-
Cutaway model of the chamber with gas relief flutes (left) and roller-delayed action of the G3 battle rifle
Fired cartridge cases with scorch marks at the front outer surface caused by intentional propellant gas ingress at the gas relief flutes
Field-stripped G3A3 rifle showing its modular design
HK G3 Bayonet with scabbard
The Heckler & Koch G36 is an assault rifle designed in the early 1990s by German weapons manufacturer Heckler & Koch. It is chambered in 5.56×45mm NATO, and replaced the heavier G3 battle rifle chambe
Heckler & Koch G3
…with the Spanish state-owned firearms manufacturer CETME. The G3 was the service rifle of the West German Bundeswehr until it was replaced by the Heckler & Koch G36 in the 1990s after German reunification, and was adopted into service with numerous other countries. The G3 has been exported to over 70 countries and…
Dual combat sighting system ZF 3×4° as used on German G36A1 assault rifles
A modernized G36K being held by a Lithuanian soldier
Lithuanian soldiers during combat training exercise with a G36KA4M1
Lithuanian Special Forces Special Purpose Service member and Latvian soldier