The HK21 is a German 7.62 mm general-purpose machine gun, developed in 1961 by small arms manufacturer Heckler & Koch and based on the G3 battle rifle. The weapon is in use with the armed forces of several Asian, African and Latin American countries.

The G3 was the standard-issued rifle of the Portuguese Army from 1963 to 2020, manufactured under license by Fábrica de Braço de Prata before it shut down. In 2019, it was replaced by FN SCAR L rifles.

In the bipod mounted light machine gun role MG 3 users are trained to fire short bursts of 3 to 5 rounds and strive to optimize their aim between bursts fired in succession.

Sep 4, 2024 · Mechanically, the HK21 shares all the same general principles of the G3. However, it has elements strengthened or modified to suit an LMG. These include a reinforced receiver, heavier recoil buffer, better long-range sights, and of course a …

Oct 26, 2020 · The official designation of the G3 is ‘BA 63’ while that of the LMG version is ‘BA 64’ but commonly referred to as the G4. The G4 was much lighter than the Bren could use only a 20 round magazine.

The HK 21 is an early Cold War era machine gun of German origin. It was developed to supplement the G3 battle rifle and about half of the parts are interchangeable. The HK 21 was a quite unique machine gun upon introduction. It was …

Feb 14, 2022 · The HK 21 was formally categorized a as "general purpose machine gun" (GPMG) - though it is also considered a "light machine gun" (LMG) - and went on to spawn of family of support weapon. The family was based on the hugely successful HK G3 Battle Rifle / Assault Rifle which went on to see widespread use around the world.

The HK21 is a West German 7.62×51mm NATO general purpose machine gun developed by Heckler & Koch in 1961. The HK21 is an air-cooled, delayed blowback recoil-operated, select-fired, family of general purpose machine gun based on the previously made G3.

Aug 3, 2022 · Unfortunately for these HK / G3 weapon variants, to convert something like the HK21E to take magazines, it needs external modifications, and therefore isn't quite a dual feed LMG. Someone suggested the HK LMG, but Anton turned it down because, and I’m paraphrasing here, “he doesn’t care.”

Oct 26, 2020 · A heavyweight barrel distinguished the HK 11 machine gun from its G3 assault rifle counterpart and the HK11 was further chambered to fire the 7.62x51mm NATO-standard cartridge from either a 20-round detachable box magazine or the impressive 50-round drum.