The HK21 is a West German 7.62×51mm NATO general purpose machine gun developed by Heckler & Koch in 1961.
Design details[]
The HK21 is an air-cooled, delayed blowback recoil-operated, select-fired, family of general purpose machine gun based on the previously made G3.
The gun can be configured to be belt-fed or use G3 magazines via an adapter, models chambered in 5.56×45mm NATO and 7.62×39mm, uses M16 and AK-style G3 magazines respectly.[1]
Variants[]
There are several variants such as:
- HK11: A variant of the HK G3 with a heavier barrel, that could use 20 or 50 round magazines.[1]
- HK11E: 3 round burst variant of the HK11, that used a trigger mechanibelt-fed or could be belt or mag fed.[1]
- HK12: An LMG variant of the HK32, chambered in 7.62 x 39 mm.[2]
- HK13: 5.56 mm NATO version of the HK11.[2]
- HK13E: Version of the HK11E that is compatible with the M16 magazines.[2]
- HK21A1: Belt-fed version of the HK21.[2]
- HK21E: Improved version of the HK21A1 with a synthetic trigger.[2]
- HK51B:An aftermarket conversion of an HK21 into a belt-fed short carbine created by gunsmiths F. J. Vollmer & Company Inc
Gallery[]
HK21 with magazine feed.
References[]
- ↑ 1.0 1.1 1.2 https://www.militaryfactory.com/smallarms/detail.asp?smallarms_id=227
- ↑ 2.0 2.1 2.2 2.3 2.4 https://books.google.com.pe/books?id=z3O6DQAAQBAJ&pg=PT1085&lpg=PT1085&dq=HK12+lmg&source=bl&ots=WMO9_kjSjJ&sig=ACfU3U3UcXTXlQCfvIROaf_NY0wz1tEGIA&hl=es-419&sa=X&ved=2ahUKEwiozsi-xJPsAhWizlkKHeStAoEQ6AEwA3oECAEQAg#v=onepage&q=HK12%20lmg&f=false