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{{Infobox weapon
{{Infobox weapon
| name = Heckler & Koch HK433
| name = Heckler & Koch HK433
| image = HK 433 Kontur noBg.png
| image =
| caption = A silhouette of HK433
| type = [[Assault rifle]]<br />[[Carbine]]
| type = [[Assault rifle]]<br />[[Carbine]]
<!-- Type selection -->
<!-- Type selection -->
<!-- Production history -->
<!-- Production history -->| service = 2024–present
| designer = [[Heckler & Koch]]
| wars = [[Russo-Ukrainian war]]
| designer = [[Heckler & Koch]]
| number =
| spec_label =
| number =
| spec_label =
| length = {{convert|577|-|843|mm|abbr=on}} (11")<br>{{convert|634|-|931|mm|abbr=on}} (14.5")<br>{{convert|703|-|971|mm|abbr=on}} (16.5")
| length = {{convert|577|-|843|mm|abbr=on}} (11")<br>{{convert|634|-|931|mm|abbr=on}} (14.5")<br>{{convert|703|-|971|mm|abbr=on}} (16.5")
⚫
| width = {{convert|81|mm|abbr=on}}
| height = {{convert|195|mm|abbr=on}}
| width = {{convert|81|mm|abbr=on}}
⚫
| height = {{convert|195|mm|abbr=on}}
<!-- Ranged weapon specifications -->
| action = [[Gas-operated reloading|Short-stroke piston]], [[rotating bolt]]
<!-- Ranged weapon specifications -->| action = [[Gas-operated reloading#Short-stroke fixed|Gas-operated short-stroke piston]], [[rotating bolt]]
| origin = Germany
| origin = Germany
| is_ranged = Yes
| is_ranged = Yes
<!-- Service history -->
<!-- Service history -->| design_date = 2017
⚫
<!-- General specifications -->| weight = {{convert|3.25|kg|abbr=on}} (11")<br>{{convert|3.40|kg|abbr=on}} (14.5")<br>{{convert|3.50|kg|abbr=on}} (16.5")
| design_date = 2017
⚫
| part_length = {{convert|280|mm|abbr=on}}<br>{{convert|368|mm|abbr=on}}<br>{{convert|419|mm|abbr=on}}
<!-- General specifications -->
⚫
| cartridge = HK433: [[5.56×45mm NATO]]<br/>HK437: [[.300 AAC Blackout]]
⚫
| weight = {{convert|3.25|kg|abbr=on}} (11")<br>{{convert|3.40|kg|abbr=on}} (14.5")<br>{{convert|3.50|kg|abbr=on}} (16.5")
⚫
| rate = 850 rounds/min
⚫
| part_length ={{convert|280|mm|abbr=on}}<br>{{convert|368|mm|abbr=on}}<br>{{convert|419|mm|abbr=on}}
⚫
| velocity = {{convert|800|m/s|abbr=on}} (11" barrel)<br>{{convert|850|m/s|abbr=on}} (14.5" barrel)<br>{{convert|875|m/s|abbr=on}} (16.5" barrel)
⚫
| cartridge = [[5.56×45mm NATO]]
⚫
| range = {{convert|500|m|yd|abbr=on}}
⚫
| rate = 850 rounds/min
⚫
| max_range =
⚫
| velocity = {{convert|800|m/s|abbr=on}} (11" barrel)<br>{{convert|850|m/s|abbr=on}} (14.5" barrel)<br>{{convert|875|m/s|abbr=on}} (16.5" barrel)
⚫
| feed = 30-round detachable [[STANAG magazine]]
⚫
| range = {{convert|500|m|yd|abbr=on}}
⚫
| sights = [[Iron sights]] and [[Picatinny rails]] for various optics
⚫
| max_range =
⚫
| feed = 30-round detachable [[STANAG magazine]]
⚫
| sights = [[Iron sights]] and [[Picatinny rails]] for various optics
}}
}}


The '''Heckler & Koch HK433''' is a modular [[assault rifle]] chambered for [[5.56×45mm NATO|5.56×45mm]] which combines features of the [[Heckler & Koch G36|G36]] and the [[HK416]] families of assault rifles.<ref>{{cite web |url=http://www.thetruthaboutguns.com/2018/01/ron-grobman/new-hk-hk433/ |title=New from H&K: the HK433 |publisher=The Truth About Guns |date=January 23, 2018 |accessdate=March 12, 2018}}</ref><ref>{{cite web |url=http://www.defensereview.com/heckler-koch-hk-hk433-compact-and-modular-5-56mm-nato-assault-riflecarbinesbr-whats-the-point/ |title=Heckler & Koch (HK) HK433 'Compact and Modular' 5.56mm NATO Assault Rifle/Carbine/SBR: What's the point? |publisher=Defense Review |date=August 10, 2017 |accessdate=March 12, 2018}}</ref>
The '''Heckler & Koch HK433''' is a modular [[assault rifle]] originally chambered for [[5.56×45mm NATO|5.56×45mm]] which combines features of the [[Heckler & Koch G36|G36]] and the [[HK416]] families of assault rifles.<ref>{{cite web |url=http://www.defensereview.com/heckler-koch-hk-hk433-compact-and-modular-5-56mm-nato-assault-riflecarbinesbr-whats-the-point/ |title=Heckler & Koch (HK) HK433 'Compact and Modular' 5.56mm NATO Assault Rifle/Carbine/SBR: What's the point? |publisher=Defense Review |date=August 10, 2017 |accessdate=March 12, 2018}}</ref>


The HK433 was designed by [[Heckler & Koch]] to be familiar to operators with experience using the Heckler & Koch G36 and HK416 platforms. All controls are ambidextrous, and major components are modular, allowing for rifles to be configured in the field as needed.<ref>{{cite web |url=http://www.heckler-koch.com/en/products/military/assault-rifles/hk433/hk433/overview.html |title=Heckler & Koch: Product Overview - HK433 |website=www.heckler-koch.com |language=en |accessdate=2017-03-05}}</ref>
The HK433 was designed by [[Heckler & Koch]] to be familiar to operators with experience using the Heckler & Koch G36 and HK416 platforms. All controls are ambidextrous, and major components are modular, allowing for rifles to be configured in the field as needed.<ref>{{cite web |url=http://www.heckler-koch.com/en/products/military/assault-rifles/hk433/hk433/overview.html |title=Heckler & Koch: Product Overview - HK433 |website=www.heckler-koch.com |language=en |accessdate=2017-03-05 |archive-date=2017-03-05 |archive-url=https://web.archive.org/web/20170305114008/http://www.heckler-koch.com/en/products/military/assault-rifles/hk433/hk433/overview.html |url-status=dead }}</ref>


The '''Heckler & Koch HK437''' chambered in [[.300 AAC Blackout|.300 Blackout]] and features a 7- and 9- inch barrel was originally announced along with the HK433 in 2017. In late 2022, the Ministry of the Interior, Municipal Affairs, Housing and Sports of the State of Schleswig-Holstein recently commissioned Heckler & Koch Germany to manufacture and supply the HK437.
The '''Heckler & Koch HK437''' chambered in [[.300 AAC Blackout|.300 Blackout]] and features a 7- and 9- inch barrel was originally announced along with the HK433 in 2017. In late 2022, the Ministry of the Interior, Municipal Affairs, Housing and Sports of the State of Schleswig-Holstein commissioned Heckler & Koch Germany to manufacture and supply the HK437.


==History==
==History==
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It has an interchangeable barrel system and a folding adjustable [[Stock (firearms)|buttstock]] with a three position cheek riser and a paddle-style magazine release. Side-folding the buttstock shortens the HK433 by {{convert|266|to|297|mm|abbr=on}}. The monolithic upper receiver is made of aluminium alloy, and the lower receiver is made of polymer.<ref>{{Cite web|title=HK433 Modular Assault Rifle|url=https://modernfirearms.net/en/assault-rifles/germany-assault-rifles/hk-433-modular-3/|date=2017-07-13|publisher=Modern Firearms|language=en|access-date=2020-05-25}}</ref>
It has an interchangeable barrel system and a folding adjustable [[Stock (firearms)|buttstock]] with a three position cheek riser and a paddle-style magazine release. Side-folding the buttstock shortens the HK433 by {{convert|266|to|297|mm|abbr=on}}. The monolithic upper receiver is made of aluminium alloy, and the lower receiver is made of polymer.<ref>{{Cite web|title=HK433 Modular Assault Rifle|url=https://modernfirearms.net/en/assault-rifles/germany-assault-rifles/hk-433-modular-3/|date=2017-07-13|publisher=Modern Firearms|language=en|access-date=2020-05-25}}</ref>


The HK433 features a STANAG 4694 [[NATO Accessory Rail]] at 12 o'clock that is backwards-compatible with the STANAG 2324/MIL-STD-1913 [[Picatinny rail]]. At 6 o'clock it features the STANAG 2324/MIL-STD-1913 Picatinny rail. At the 3- and 9-o'clock positions the proprietary "HKey" accessory attachment system is used instead of the more commonly used [[M-LOK]] or [[KeyMod]] systems.
The HK433 features a STANAG 4694 [[NATO Accessory Rail]] at 12 o'clock that is backwards-compatible with the STANAG 2324/MIL-STD-1913 [[Picatinny rail]]. At 6 o'clock it features the STANAG 2324/MIL-STD-1913 Picatinny rail. At the 3- and 9-o'clock positions the proprietary "HKey" accessory attachment system, which was used on early versions of the rifle, has finally been replaced by the more commonly used [[M-LOK]] system.


The empty weight of a HK433 [[STANAG magazine|Draft STANAG 4179]] compliant [[Magazine (firearms)|box magazine]] is approximately {{convert|160|g|abbr=on}}.
The empty weight of a HK433 [[STANAG magazine|Draft STANAG 4179]] compliant [[Magazine (firearms)|box magazine]] is approximately {{convert|160|g|abbr=on}}.
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== Users ==
== Users ==
* {{DEU}}: [[Schleswig-Holstein Police]] - A contract of over 200 HK437 along with accessories was procured.
* {{DEU}}: [[Schleswig-Holstein Police]]
** A contract of over 200 HK437 along with accessories was procured in October 2022 for a total amount of €1.68 million.<ref>{{Cite web |date=2022-10-27 |title=HK437 – Polizei von Schleswig Holstein beschafft neue Mitteldistanzwaffen im Kaliber .300 BLK |url=https://soldat-und-technik.de/2022/10/bewaffnung/33165/hk437-polizei-schleswig-holstein-beschafft-neue-mitteldistanzwaffen/ |access-date=2023-10-11 |website=soldat-und-technik.de |language=de-DE}}</ref>
** In 2024, the State police of Schleswig-Holstein announced the intention to replace all of their [[SIG MCX|SIG Sauer MCX]] and [[Heckler & Koch MP5]] models with up to 1,700 HK437 rifles by 2026. <ref>{{Cite web |date=2024-02-15 |title=Polizei Schleswig-Holstein stellt neue Mitteldistanzwaffe HK437 vor |url=https://soldat-und-technik.de/2024/02/bewaffnung/36879/polizei-schleswig-holstein-stellt-neue-mitteldistanzwaffe-hk437-vor/ |access-date=2024-02-15 |website=soldat-und-technik.de |language=de-DE}}</ref>
* {{DEU}}: [[German Army]] / [[Kommando Spezialkräfte]]
** The [[German Army|Bundeswehr]] has ordered 988 HK437 rifles for the [[Kommando Spezialkräfte|KSK]].
** The HK437 will get the military identification "G39".
* {{UKR}}: [[Main Directorate of Intelligence (Ukraine)|Main Directorate of Intelligence]]<ref name="UA">{{cite web |title=Rare Sightings of Heckler & Koch G36 & HK433s in Ukraine |url=https://armourersbench.com/2024/09/29/rare-sightings-of-heckler-koch-g36-hk433s-in-ukraine/ |website=The Armourers Bench |access-date=29 September 2024 |language=en |date=29 September 2024}}</ref>


== References ==
== References ==
Line 107: Line 112:


== External links ==
== External links ==
* [http://www.heckler-koch.com/en/products/military/assault-rifles/hk433/hk433/overview.html Heckler & Koch: Product Overview - HK433]
* [http://www.heckler-koch.com/en/Products/Military%20and%20Law%20Enforcement/Assault%20rifles/HK433 Heckler & Koch: Product Overview - HK433]
* [http://www.thefirearmblog.com/blog/2017/02/03/news-heckler-koch-hk433/ H&K HK433 at SHOT Show 2017]
* [http://www.thefirearmblog.com/blog/2017/02/03/news-heckler-koch-hk433/ H&K HK433 at SHOT Show 2017]
* [https://modernfirearms.net/en/assault-rifles/germany-assault-rifles/hk-433-modular-3/ Heckler & Koch HK433 modular assault rifle]
* [https://modernfirearms.net/en/assault-rifles/germany-assault-rifles/hk-433-modular-3/ Heckler & Koch HK433 modular assault rifle]
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{{DEFAULTSORT:Heckler and Koch HK433}}
{{DEFAULTSORT:Heckler and Koch HK433}}
[[Category:5.56 mm assault rifles]]
[[Category:.300 BLK firearms]]
[[Category:5.56×45mm NATO assault rifles]]
[[Category:5.56×45mm NATO assault rifles]]
[[Category:Short stroke piston firearms]]
[[Category:Short stroke piston firearms]]
Line 120: Line 125:
[[Category:Assault rifles of Germany]]
[[Category:Assault rifles of Germany]]
[[Category:Post–Cold War weapons of Germany]]
[[Category:Post–Cold War weapons of Germany]]



{{rifle-stub}}
{{rifle-stub}}

Latest revision as of 13:07, 8 December 2024

Heckler & Koch HK433
A silhouette of HK433
TypeAssault rifle
Carbine
Place of originGermany
Service history
In service2024–present
WarsRusso-Ukrainian war
Production history
DesignerHeckler & Koch
Designed2017
Specifications
Mass3.25 kg (7.2 lb) (11")
3.40 kg (7.5 lb) (14.5")
3.50 kg (7.7 lb) (16.5")
Length577–843 mm (22.7–33.2 in) (11")
634–931 mm (25.0–36.7 in) (14.5")
703–971 mm (27.7–38.2 in) (16.5")
Barrel length280 mm (11 in)
368 mm (14.5 in)
419 mm (16.5 in)
Width81 mm (3.2 in)
Height195 mm (7.7 in)
CartridgeHK433: 5.56×45mm NATO
HK437: .300 AAC Blackout
ActionGas-operated short-stroke piston, rotating bolt
Rate of fire850 rounds/min
Muzzle velocity800 m/s (2,600 ft/s) (11" barrel)
850 m/s (2,800 ft/s) (14.5" barrel)
875 m/s (2,870 ft/s) (16.5" barrel)
Effective firing range500 m (550 yd)
Feed system30-round detachable STANAG magazine
SightsIron sights and Picatinny rails for various optics

The Heckler & Koch HK433 is a modular assault rifle originally chambered for 5.56×45mm which combines features of the G36 and the HK416 families of assault rifles.[1]

The HK433 was designed by Heckler & Koch to be familiar to operators with experience using the Heckler & Koch G36 and HK416 platforms. All controls are ambidextrous, and major components are modular, allowing for rifles to be configured in the field as needed.[2]

The Heckler & Koch HK437 chambered in .300 Blackout and features a 7- and 9- inch barrel was originally announced along with the HK433 in 2017. In late 2022, the Ministry of the Interior, Municipal Affairs, Housing and Sports of the State of Schleswig-Holstein commissioned Heckler & Koch Germany to manufacture and supply the HK437.

History

[edit]

The HK433 was first introduced at EnforceTac 2017 which went on the 1st and 2 March in Nürnberg, Bavaria, Germany, after the HK433 was shown to a select number of people at the earlier SHOT Show in January.[3][4] Heckler & Koch offered the HK433 along with the HK416 as a candidate for the German Bundeswehr's competition to select a new assault rifle.[5] The HK G36, the Bundeswehr's standard assault rifle since 1997, is to be phased out and a replacement is planned to be phased in from 2020.

Design

[edit]
Short-stroke gas piston

The HK433 has multiple barrel lengths ranging from 11-, 12.5-, 14.5-, 16.5-, 18.9- or 20-inch. All of the barrels are cold hammer forged, hard chrome lined with a 178 mm (1 in 7 inch) right-hand twist, six-groove rifling.[6][7]

It features a short-stroke gas piston driven system similar to the Heckler & Koch G36 and HK416, with a gas block regulator adjustment located above the barrel. The non-reciprocating charging handle can be changed to operate from either side of the forestock of the rifle, but does not have a locking recess like the Heckler & Koch G3 family of weapons. All other primary controls are ambidextrous.

It has an interchangeable barrel system and a folding adjustable buttstock with a three position cheek riser and a paddle-style magazine release. Side-folding the buttstock shortens the HK433 by 266 to 297 mm (10.5 to 11.7 in). The monolithic upper receiver is made of aluminium alloy, and the lower receiver is made of polymer.[8]

The HK433 features a STANAG 4694 NATO Accessory Rail at 12 o'clock that is backwards-compatible with the STANAG 2324/MIL-STD-1913 Picatinny rail. At 6 o'clock it features the STANAG 2324/MIL-STD-1913 Picatinny rail. At the 3- and 9-o'clock positions the proprietary "HKey" accessory attachment system, which was used on early versions of the rifle, has finally been replaced by the more commonly used M-LOK system.

The empty weight of a HK433 Draft STANAG 4179 compliant box magazine is approximately 160 g (5.6 oz).

Variants

[edit]

Currently are three configurations of the HK433 and two configurations of the HK437 available:

Variant Calibre Length max. mm Length min. mm Barrel mm Weight g
HK433 11" 5.56×45mm 843 577 280 3250
HK433 14.5" 5.56×45mm 931 634 368 3400
HK433 16.5" 5.56×45mm 976 718 421 3500
HK437 Sneaker 9" .300 Blackout 745 487 178 3040
HK437 Sneaker 11" .300 Blackout 795 537 229 3140

Users

[edit]

References

[edit]
  1. ^ "Heckler & Koch (HK) HK433 'Compact and Modular' 5.56mm NATO Assault Rifle/Carbine/SBR: What's the point?". Defense Review. August 10, 2017. Retrieved March 12, 2018.
  2. ^ "Heckler & Koch: Product Overview - HK433". www.heckler-koch.com. Archived from the original on 2017-03-05. Retrieved 2017-03-05.
  3. ^ "Breaking News from Heckler & Koch – HK433 A New Rifle!". TFB. February 3, 2017. Retrieved March 12, 2018.
  4. ^ "HK433 – The first practical test". TFB. August 18, 2017. Retrieved March 12, 2018.
  5. ^ "Heckler & Koch bids to replace its own tarnished weapon - Germany - DW.COM - 03.02.2017". Deutsche Welle. February 3, 2017. Retrieved 2017-02-13.
  6. ^ "Heckler & Koch unveils HK433 modular assault rifle - IHS Jane's 360". www.janes.com. Retrieved 2017-02-13.
  7. ^ "Heckler & Koch unveils new modular rifle – HK433". quwa.org. 6 February 2017. Retrieved 2017-02-13.
  8. ^ "HK433 Modular Assault Rifle". Modern Firearms. 2017-07-13. Retrieved 2020-05-25.
  9. ^ "HK437 – Polizei von Schleswig Holstein beschafft neue Mitteldistanzwaffen im Kaliber .300 BLK". soldat-und-technik.de (in German). 2022-10-27. Retrieved 2023-10-11.
  10. ^ "Polizei Schleswig-Holstein stellt neue Mitteldistanzwaffe HK437 vor". soldat-und-technik.de (in German). 2024-02-15. Retrieved 2024-02-15.
  11. ^ "Rare Sightings of Heckler & Koch G36 & HK433s in Ukraine". The Armourers Bench. 29 September 2024. Retrieved 29 September 2024.
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