Data Quality87%
MASS(Military Archive Scoring System)
ⓘ Regardless of era, the same scoring system applies to all units in the multiple launch rocket systems (mlrs) category.
01 / Overview
BM-31-12
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS) · WORLD WAR II
6
PERFORMANCE/PRICE
94
UNIT COST (2025 USD)
—
ⓘ Performance/Price and MASS score are computed across all units in the multiple launch rocket systems (mlrs) category, regardless of era.
02 / Specs & Design
◎General3MOD.3
- Combat Weight7,200 kg
- Crew6
- Carriage TypeWheeled / Towed
◈Ordnance2MOD.2
- Calibre300 mm
- Ordnance TypeM-31 rocket
▣Performance4MOD.4
- Maximum Range (standard)2.8 km
- Muzzle Velocity255 m/s
- Rate of Fire (burst)12
- Rate of Fire (sustained)4
◇Ammunition1MOD.1
- Projectile Weight63 kg
◆Mobility7MOD.7
- Self-PropelledYes
- Prime MoverStudebaker US6 U3 truck
- Emplacement Time5
- Displacement Time3
- Shoot-and-ScootYes
- Road Speed (if SP)60 km/h
- Range (if SP)600 km
▤Ammunition Handling2MOD.2
- Ready Rounds12
- Total Rounds Carried24
⬢Dimensions3MOD.3
- Length6.9 m
- Width2.2 m
- Height2.5 m
03 / History
SERVICE LIFESPANStill in Service
- 1941Production started
85
years in service
1
countries operating
ⓘ The producing country no longer actively operates it. 3 countries retired it.
05 / MASS Score
MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS) RANKING Multiple Launch Rocket Systems (MLRS) · World War II
MASS RANKINGSMASS ↗
110MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)6WORLD WAR II · MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)1464RUSSIA · ALL WEAPONS3PERFORMANCE/PRICE · MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)
ⓘ Rankings are within theMultiple Launch Rocket Systems (MLRS)category.
📖 TERMS ON THIS PAGE3terms
Artillery system with integrated propulsion, enabling movement under its own power rather than being towed.
Artillery tactic where a firing unit rapidly deploys, fires, and relocates to avoid counter-battery fire.
Artillery classification distinguishing self-propelled wheeled vehicles from weapons towed by external means.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources