Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the machine pistols category.
01 / Overview
Erma EMP
Category
Country
Production
1931–1938
Quantity
10,000
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MACHINE PISTOLS · INTERWAR PERIOD
15
PERFORMANCE/PRICE
87
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the machine pistols category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- First Production Year1931
- Service Entry Year1931
- DesignerHeinrich Vollmer
- Weight (Empty)4 kg
- Currently In ServiceYes
- Notable UsersSS, German Police, Spanish Republicans, Spanish Nationalists, French Army, Bulgarian Army, Mexican forces, Yugoslav forces
◈Cartridge & Calibre5MOD.5
- Cartridge9×19mm Parabellum, 7.63×25mm Mauser, 9×23mm Largo, 7.65×21mm Parabellum
- Calibre9 mm
- Calibre Class9mm
- RimfireNo
- Caseless AmmunitionNo
▣Operation8MOD.8
- Action TypeBlowback
- Fire Modesautomatic
- Select FireYes
- Feed SystemDetachable Magazine
- Magazine Capacity32
- Cyclic Rate of Fire550
- Trigger Typesingle-stage
- Safety Typemanual
◇Ballistics3MOD.3
- Muzzle Velocity380 m/s
- Effective Range (point)150 m
- Maximum Range250 m
◆Barrel & Sights4MOD.4
- Barrel Length300 mm
- Sight TypeIron
- Optic RailNo
- Iron SightsYes
▤Construction5MOD.5
- Receiver Materialsteel
- Furniture Materialwood
- Folding / Collapsing StockNo
- Bullpup LayoutNo
- Ambidextrous ControlsNo
⬢Features5MOD.5
▲Production & Cost4MOD.4
- Total Production10,000
- Production Start1931
- Production End1938
- Variants3
03 / History
SERVICE LIFESPANStill in Service
- 1931Production started
- 1932First deployment: Chaco War
- 1938Production ended
- 1939Sale: France (3,250 units)
95
years in service
7
years in production
10,000
units produced
10
countries operating
ⓘ The producing country still actively operates it.
04 / Conflicts
ERMA EMP · CONFLICTS SERVED IN0% win
Total Conflicts
1
Victories
0
Ongoing
0
Losses
0
ⓘ Shown only from conflicts recorded in our database.
05 / Operators
Erma EMPSALES4records
France
Norway
Spain
Bulgariaⓘ "Present Value" is an estimated amount adjusted for inflation.
06 / MASS Score
MACHINE PISTOLS RANKING Machine Pistols · Interwar Period
MASS RANKINGSMASS ↗
134MACHINE PISTOLS15INTERWAR PERIOD · MACHINE PISTOLS512GERMANY · ALL WEAPONS5PERFORMANCE/PRICE · MACHINE PISTOLS
ⓘ Rankings are within theMachine Pistolscategory.
📖 TERMS ON THIS PAGE5terms
A bayonet lug is a metal fitting on the barrel or muzzle of a firearm that provides a mounting point for a bayonet.
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.
Select fire is a fire selector mechanism on a firearm that lets the shooter choose the firing mode, such as semi‑automatic, burst, or fully automatic.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources