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Heckler & Koch HK 33E

Assault Rifle [ 1985 ]

The Heckler and Koch HK33E became a successor for the earlier production HK33 series automatic weapons.

Authored By: Staff Writer | Last Edited: 12/21/2020 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site.

The Heckler & Koch HK33E was developed for the export market as an off-shoot of the HK33 family of automatic weapons (the "E" in the designation standing for "Export"). The new rifle carried much of the form and function of the original including the internal roller-locked blowback system of operation (developed for the HK G3 rifle). It was given minor improvements including a reinforced stock, support for a bipod assembly under the forend. Selective fire was possible.

Chambered for the 5.56x45mm NATO cartridge, the weapon was regarded as accurate under full-automatic fire, achieving over 700 rounds per minute. Feeding was from a 30-round detachable box magazine. Through-and-through, the HK33E was nothing more than the G3 weapon chambered for the 5.56x45mm NATO cartridge.

Several major forms of the rifle emerged including the base assault model with fixed stock, a version with a retractable butt, one fitted with a bipod for the support fire role, a precision model for use in the Designated Marksman / Sniper rifle and a short-barreled carbine offering, the latter designated as "HK33KE".

Operators of the series became Brazil, Greece, Ireland (Army Rangers), Malaysia (special units), Myanmar, Mexico, Portugal, Saudi Arabia, Turkey (local production by MKEK) and the United Kingdom (SAS).©MilitaryFactory.com
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Service Year

Germany national flag graphic


Assault Rifle

Heckler & Koch GmbH - Germany
(View other Arms-Related Manufacturers)
National flag of Brazil National flag of Greece National flag of Indonesia National flag of Ireland National flag of Malaysia National flag of Mexico National flag of Myanmar National flag of the Kingdom of Saudi Arabia National flag of Turkey National flag of the United Kingdom Brazil; Greece; Indonesia; Ireland; Malaysia; Myanmar; Mexico; Saudi Arabia; Turkey; United Kingdom
(OPERATORS list includes past, present, and future operators when applicable)
Automatic Function
Features a mechanical function to automate the firing action.
Assault Rifle
Modern class of long gun featuring select-fire properties, automatic internal function, and magazine feeding.

Overall Length
910 mm
35.83 in
Empty Wgt
8.05 lb
3.65 kg

Iron front and rear


Delayed Blowback; Selective Fire

Blowback Operation
Gas pressure from the rearward movement of the ignited cartridge case provides the needed bolt movement, ejecting the spent case and stripping a fresh case from the magazine.
(Material presented above is for historical and entertainment value and should not be construed as usable for hardware restoration, maintenance, or general operation - always consult official manufacturer sources for such information)



Sample Visuals**

Graphical image of a 5.56mm intermediate rifle cartridge
Rounds / Feed

30-Round Detachable Box Magazine
Cartridge relative size chart
*May not represent an exhuastive list; calibers are model-specific dependent, always consult official manufacturer sources.
**Graphics not to actual size; not all cartridges may be represented visually; graphics intended for general reference only.

HK33E - Base Series Designation.
HK33KE - Short-barreled carbine weapon.

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