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HK23 Story Quotes
Gun Information
Full name Heckler & Koch HK23
Country of origin West Germany
Manufacturer Heckler & Koch
Game Information
Faction Griffin & Kryuger
Manufactured /
Revised by
Voice actor Satou Satomi
Artist Rain Lan
Released on CN, TW, KR, JP (Gr MG23), EN (Gr MG23)
Chibi Animation

Click the marked area to switch between animations. For details regarding animations, please see Animations on the Wiki.

How to obtain[edit]

NORMALHEAVY Not craftable.

DROP Obtained as a possible drop throughout Singularity (CN).

REWARD Monthly login reward in December 2017 (CN), December 2019 (EN).

Exclusive Equipment[edit]

There is no exclusive equipment for this T-Doll.

Stats / Data[edit]

75(x1)149(x1) / 745(x5) 40(x1) / 140(x5) 30(x1) / 90(x5)
28 80
4 34
4 34
Rate of Fire
 Rate of Fire
90 135
Movement Speed
 Move Speed
Critical Hit Rate
 Crit. Rate
Critical Hit Damage
 Crit. Damage
Armor Penetration
 Armor Pen.
Clip Size
 Clip Size
Icon slot Accessory.png Icon Telescopic Sight S 2star.png Icon Holographic Sight S 2star.png
Icon Red Dot Sight S 2star.png Icon Night Combat Equipment S 2star.png
Icon Silencer S 2star.png
Icon slot Magazine.png Icon Armor-Piercing Ammo S 2star.png Icon HP Ammo S 2star.png
Icon Shotgun Ammo S 2star.png
Icon High-Velocity Ammo S 2star.png
Icon slot Doll.png Icon Microchip S 2star.png Icon Exoskeleton S 2star.png
Icon Ballistic Plate S 2star.png Icon Camo Cape S 2star.png
Icon Ammo Box S 2star.png

Affects shotguns
Increases damage by 8%
Increases armor by 12%

Weapon Background[edit]

Even though the roller-delayed blowback operated HK21 was not adopted into main service by Bundeswehr, Heckler & Koch (HK) did not give up with the G3 derived MG models, they switched the development focus for export instead. Following NATO's interest in 5.56 calibre light machineguns, a step down version of HK21 was produced, the 5.56 calibre HK23.

While retains most features from HK21, major changes to HK23 would be the reworked barrel and feeding mechanism to incorporate the smaller 5.56x45mm cartridge, but the mechanism working principle remains the same, the weapon still fires from a closed bolt and able to achieve a 800 rounds per minute cyclic rate of fire. Features retained from HK21 include the ambidextrous fire selector lever, integrated bipod, the quick-detach barrel and the compatibility with HK's proprietary optic clamp mount.

Compared to HK21, HK23 is both lighter in weight and smaller in size/dimensions. Just like HK21, the belt feeding module is located beneath the receiver, which meant HK23 was also able to accept box magazines on top of being able to feed from munition belts. HK23 can be fed with 20-/30-round box magazines, 80-round drum magazine or lose/boxed ammo belts in lengths of 50 increments.

Close bolt firing meant the weapon have limited the maximum effective range and sustained firepower capabilities when compared to open bolt design MGs, however it does have a more accurate semi-automatic firing performance, to an extend they function relatively ideal as a squad automatic weapon. HK23 is noted for enter the US 5.56 calibre SAW competition as one of the candidates between 1970 and 1980, however the gas-operated FN Minimi won the competition, obtained the M249 SAW designation and entered service with the US military.

Despite the failure in the US SAW competition, HK23 did achieve a moderately well sale to other nations. However the production of roller-delayed blowback MGs gradually slowed down with the trending interest in gas-operated MGs, HK ceased the production of HK21 lines of MG completely by early 2000, the new line of MG developed by HK would be the HK123 (MG4) family.


The third character contributed by Rain Lan, HK23 is a relatively short MG type T-doll, her body height measures no higher than 130cm. HK23 can be identified by her blonde hair with two hair buns and her purple iris.


Main artwork

Gallery consisting of artworks used primarily in-game.

Alternative artwork

Alternate gallery consisting of artworks with slight alterations as well as miscellaneous artworks.