Heckler & Koch G3
>
The Heckler & Koch G3 is a select-fire battle rifle chambered in 7.62×51mm NATO developed in the 1950s by the German firearms manufacturer Heckler & Koch, in collaboration with the Spanish state-owned firearms manufacturer CETME. Wikipedia
Designed: 1950s
Action: Roller-delayed blowback
Cartridge: 7.62×51mm NATO
Feed system: 5-, 10-, 20-, 30-, or 40-round detachable box, and 50-round and 100-round drum magazine
Height: 220 mm (8.7 in) with inserted magazine
In service: 1959–present
Length: 1,025 mm (40.4 in)