Data Quality87%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the pistols category.
01 / Overview
Heckler & Koch HK4
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
ⓘ Performance/Price and MASS score are computed across all units in the pistols category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- First Production Year1964
- Service Entry Year1967
- DesignerAlex Seidel
- Weight (Empty)0.48 kg
- Notable UsersWest German customs, Morocco, Qatar, Uruguay, Venezuela
◈Cartridge & Calibre7MOD.7
- Cartridge.22 Long Rifle; .25 ACP; .32 ACP; .380 ACP
- Calibre9 mm
- Case Length17 mm
- Calibre Classsmall calibre
- Bullet Weight4.5 g
- RimfireYes
- Caseless AmmunitionNo
▣Operation7MOD.7
- Action TypeBlowback
- Fire ModesSemi-automatic
- Select FireNo
- Feed SystemDetachable Magazine
- Magazine Capacity8
- Trigger Typedouble-action
- Safety Typeslide-mounted
◇Ballistics3MOD.3
- Muzzle Velocity356 m/s
- Effective Range (point)25 m
- Sighting Range25 m
◆Barrel & Sights6MOD.6
- Barrel Length85 mm
- Sight TypeFixed, front post and rear notch, sight radius 121 mm
- Sight Radius121 mm
- Optic RailNo
- Iron SightsYes
- Threaded BarrelNo
▤Construction7MOD.7
- Overall Length157 mm
- Receiver Materialaluminum-alloy
- Furniture Materialplastic
- Folding / Collapsing StockNo
- Bullpup LayoutNo
- Ambidextrous ControlsNo
- Modularityswappable barrels
⬢Features5MOD.5
▲Production & Cost3MOD.3
- Total Production49,650
- Production Start1964
- Production End1984
◎Additional Dimensions2MOD.2
- Width32 mm
- Height110 mm
03 / History
SERVICE LIFESPANStill in Service
- 1967Production started
- 1984Production ended
59
years in service
17
years in production
49,650
units produced
5
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries5country
05 / MASS Score
PISTOLS RANKING Pistols · Cold War
MASS RANKINGSMASS ↗
ⓘ Rankings are within thePistolscategory.
📖 TERMS ON THIS PAGE4terms
A type of firearm action where the breech is not locked and the cartridge case expands to seal the breech, using case expansion and pressure to retain gases.
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
Rimfire: a type of ammunition in which the primer is located in the rim of the cartridge case and is ignited by the firing pin striking the rim.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources