Data Quality88%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the sniper rifles category.
01 / Overview
Lahti L-39
Category
Country
Prime contractor
Production
1941–1944
Quantity
1,906
Operators
Conflicts
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
SNIPER RIFLES · WORLD WAR II
6
PERFORMANCE/PRICE
45
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the sniper rifles category, regardless of era.
02 / Specs & Design
◎General5MOD.5
- First Production Year1939
- Service Entry Year1939
- Weight (Empty)49.5 kg
- Weight (Loaded)50 kg
- Currently In ServiceYes
◈Cartridge & Calibre4MOD.4
- Cartridge20×138mmB
- Calibre20 mm
- Case Length138 mm
- Bullet Weight115 g
▣Operation5MOD.5
- Action TypeGas-Operated
- Fire Modessemi-automatic
- Feed SystemDetachable Magazine
- Magazine Capacity10
- Cyclic Rate of Fire30
◇Ballistics4MOD.4
- Muzzle Velocity800 m/s
- Effective Range (point)1,000 m
- Effective Range (area)1,500 m
- Maximum Range2,000 m
◆Barrel & Sights5MOD.5
- Barrel Length1,300 mm
- Rifling Grooves12
- Sight Radius1,000 mm
- Optic RailNo
- Iron SightsYes
▤Construction4MOD.4
- Receiver Materialsteel
- Furniture Materialwood
- Folding / Collapsing StockNo
- Bullpup LayoutNo
⬢Features3MOD.3
▲Production & Cost3MOD.3
- Total Production1,906
- Production Start1939
- Variants39
03 / History
SERVICE LIFESPANRetired
- 1939First deployment: Winter War
- 1941Production started
- 1944Production ended
85
years in service
3
years in production
1,906
units produced
0
countries operating
ⓘ 1 countries retired it.
04 / Conflicts
LAHTI L-39 · CONFLICTS SERVED IN0% win·100% loss
Total Conflicts
3
Victories
0
Ongoing
0
Losses
3
1944–1945Lapland WarDecisive victory→1941–1944Continuation WarDecisive victory→1939–1940Winter WarDecisive victory→
ⓘ Shown only from conflicts recorded in our database.
06 / MASS Score
SNIPER RIFLES RANKING Sniper Rifles · World War II
MASS RANKINGSMASS ↗
166SNIPER RIFLES6WORLD WAR II · SNIPER RIFLES52FINLAND · ALL WEAPONS172PERFORMANCE/PRICE · SNIPER RIFLES
ⓘ Rankings are within theSniper Riflescategory.
📖 TERMS ON THIS PAGE3terms
A firearm feed system where ammunition is stored in a separate container (magazine) that can be removed and replaced, enabling rapid reloading.
Firearm action type where expanding gas from a fired cartridge cycles the mechanism, typically via a piston or direct impingement.
Adjustable metal aiming devices on firearms, consisting of a front post and rear notch, used without magnification.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources