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
M79 Osa
Country
Prime contractor
Production
1979–
Operators
💰 PERFORMANCE / PRICE ASSESSMENT Methodology ↗
MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS) · COLD WAR
36
PERFORMANCE/PRICE
78
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
◎General6MOD.6
- Service Entry Year1979
- Combat Weight11.2 kg
- Travel Weight6.2 kg
- Crew2
- Carriage TypePole Trail
- In ServiceYes
◈Ordnance5MOD.5
- Calibre90 mm
- Ordnance TypeHEAT rocket
- Recoil SystemNone / Rigid
- Muzzle BrakeNo
- Bore EvacuatorNo
▣Performance6MOD.6
- Minimum Range0.35 km
- Maximum Range (standard)0.6 km
- Maximum Range (rocket-assisted)1.96 km
- Muzzle Velocity250 m/s
- Rate of Fire (burst)6
- Rate of Fire (sustained)6
◇Ammunition8MOD.8
- Projectile Weight3.5 kg
- Ammunition Types90mm HEAT rocket
- HE RoundYes
- Smoke RoundNo
- Illumination RoundNo
- Cluster / DPICMNo
- Precision-Guided RoundNo
- MRSI CapableNo
◆Fire Control5MOD.5
▤Mobility4MOD.4
- Self-PropelledNo
- Shoot-and-ScootNo
- AutoloaderNo
- Protected Crew CabNo
⬢Dimensions1MOD.1
- Length1.91 m
▲Production1MOD.1
- Production Start1,979 year
◎Self-Propelled Chassis1MOD.1
03 / History
SERVICE LIFESPANStill in Service
- 1979Production started
- 1991Entered service
47
years in service
8
countries operating
ⓘ The producing country still actively operates it.
04 / Operators
Operator Countries8country
05 / MASS Score
MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS) RANKING Multiple Launch Rocket Systems (MLRS) · Cold War
MASS RANKINGSMASS ↗
122MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)36COLD WAR · MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)86SERBIA · ALL WEAPONS54PERFORMANCE/PRICE · MULTIPLE LAUNCH ROCKET SYSTEMS (MLRS)
ⓘ Rankings are within theMultiple Launch Rocket Systems (MLRS)category.
📖 TERMS ON THIS PAGE3terms
High Explosive (HE) round: an artillery or mortar projectile containing explosive filler designed to inflict damage through blast and fragmentation effects.
A towed artillery carriage configuration where the gun is pulled directly behind the prime mover without a limber, relying on a single pole for connection.
These terms are listed automatically because they appear on this page.full encyclopedia →
📚 Sources