HK21 machine gun

GPTKB entity

Statements (58)
Predicate Object
gptkbp:instance_of gptkb:weapons
gptkbp:accessories bipod available
gptkbp:action gas-operated, rotating bolt
gptkbp:barrel_length 500 mm (19.7 in)
gptkbp:barrel_type 20,000 rounds
quick-change barrel system
standard and heavy
gptkbp:caliber gptkb:7.62×51mm_NATO
gptkbp:color gptkb:black
gptkbp:combat_history used in various conflicts
gptkbp:combat_role suppressive fire
gptkbp:cooling_system air-cooled
gptkbp:design yes
gptkbp:design_date 1970s
gptkbp:design_features integrated carrying handle
gptkbp:discontinued yes
gptkbp:ergonomics designed for ease of use
gptkbp:exported_to gptkb:various_countries
gptkbp:feed_system belt-fed
gptkbp:field_of_use infantry support
gptkbp:fielded_year gptkb:1975
gptkbp:firing_mechanism semi-automatic, fully automatic
gptkbp:first_introduced gptkb:1970
gptkbp:historical_significance used in Cold War
gptkbp:historical_use West German military
https://www.w3.org/2000/01/rdf-schema#label HK21 machine gun
gptkbp:length 1,200 mm (47.2 in)
gptkbp:maintenance requires regular cleaning
gptkbp:manufacturer gptkb:Heckler_&_Koch
gptkbp:military_technology not available
gptkbp:modifications various aftermarket modifications available
gptkbp:mounting_options tripod, vehicle-mounted
gptkbp:muzzle_velocity 850 m/s (2,790 ft/s)
gptkbp:notable_users gptkb:NATO_forces
gptkbp:operating_system gas-operated
gptkbp:range 800 m (875 yd)
3,000 m (3,281 yd)
gptkbp:rate_of_fire 800 rounds per minute
gptkbp:recoil short-stroke gas piston
gptkbp:reliability high reliability
gptkbp:replaced_by MG4
gptkbp:role gptkb:weapons
gptkbp:safety_features manual safety
gptkbp:sights iron sights
gptkbp:successor MG5
gptkbp:suppressor_compatible yes
gptkbp:sustained_fire_capability yes
gptkbp:track_gauge optional
gptkbp:training basic firearms training
gptkbp:transport_case hard case available
gptkbp:trigger_type single and automatic
gptkbp:used_by gptkb:German_Armed_Forces
gptkbp:user_countries gptkb:Germany
gptkbp:variant HK23
gptkbp:weight 11.5 kg (25.4 lb)
13.5 kg (29.8 lb) with accessories
gptkbp:bfsParent gptkb:Heckler_&_Koch
gptkbp:bfsLayer 6