K-4 Submarine-Launched Ballistic Missile
Fired from INS Arighaat in November 2024, the K-4 gives India's sea-based nuclear deterrent genuine second-strike reach — the third leg of the triad.
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Specifications
Range
3,500 km
Stages
2 (solid)
Length
12 m
Weight
17,000 kg
Payload
~2,000 kg nuclear
Capability index
Relative 0–100 index across our database for quick comparison; not an official rating.
Speed index — 95/100
Range index — 85/100
Payload index — 80/100
Tech index — 88/100