Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the light machine guns (lmg/saw) category.
01 / Overview
Karabin maszynowy obserwatora wz.37
Category
Country
Prime contractor
Production
1937–1939
Quantity
339
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
LIGHT MACHINE GUNS (LMG/SAW) · INTERWAR PERIOD
15
PERFORMANCE/PRICE
70
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the light machine guns (lmg/saw) category, regardless of era.
02 / Specs & Design
◎General6MOD.6
- First Production Year1937
- Service Entry Year1937
- DesignerWawrzyniec Lewandowski
- Weight (Empty)7 kg
- Currently In ServiceYes
- Notable UsersPoland, Nazi Germany, Romania, Soviet Union
◈Cartridge & Calibre3MOD.3
- Cartridge8x57mm IS
- Calibre7.92 mm
- Calibre Class7.92×57mm Mauser
▣Operation4MOD.4
- Action TypeGas-Operated
- Feed SystemSingle Shot
- Magazine Capacity91
- Cyclic Rate of Fire500
◇Ballistics1MOD.1
- Muzzle Velocity853 m/s
◆Barrel & Sights1MOD.1
- Barrel Length611 mm
▤Production & Cost1MOD.1
- Production Start1937
03 / History
SERVICE LIFESPANStill in Service
- 1937Production started
- 1939First deployment: World War II
89
years in service
2
years in production
339
units produced
4
countries operating
ⓘ The producing country still actively operates it.
05 / MASS Score
LIGHT MACHINE GUNS (LMG/SAW) RANKING Light Machine Guns (LMG/SAW) · Interwar Period
MASS RANKINGSMASS ↗
64LIGHT MACHINE GUNS (LMG/SAW)15INTERWAR PERIOD · LIGHT MACHINE GUNS (LMG/SAW)82POLAND · ALL WEAPONS55PERFORMANCE/PRICE · LIGHT MACHINE GUNS (LMG/SAW)
ⓘ Rankings are within theLight Machine Guns (LMG/SAW)category.
📖 TERMS ON THIS PAGE2terms
Firearm action type where expanding gas from a fired cartridge cycles the mechanism, typically via a piston or direct impingement.
A firearm feed system where only one round is chambered and fired per cycle, requiring manual reloading.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources