SOURCE: RAUNAK KUNDE / NEWS BEAT / IDRW.ORG
The Aeronautical Development Agency (ADA) is contemplating a shift from the 23mm twin-barrelled Gryazev-Shipunov GSh-23 cannon, currently outfitting the Tejas Mk1A and slated for the Tejas MkII, to a higher-calibre gun for the Advanced Medium Combat Aircraft (AMCA) program. The decision comes as the AMCA, with its projected maximum takeoff weight (MTOW) of approximately 27 tons, offers the capability to integrate a more powerful weapon system.
While ADA has not officially disclosed the replacement, sources indicate that two key options are under evaluation A four-barrelled 25mm Gatling-type cannon and a 30mm GSh-301 cannon, renowned for its reliability and firepower.
The AMCA’s design specifications have so far included the GSh-23 cannon, but both the Indian Air Force (IAF) and ADA are exploring alternatives that align with the aircraft’s fifth-generation capabilities and operational requirements.
The decision to explore a larger-calibre weapon stems from the AMCA’s role as a 5.5-generation stealth fighter. The platform’s enhanced size and capabilities demand a gun system with greater range, power, and versatility to effectively engage ground and aerial targets.
Integrating a new gun system is a complex process, as evidenced during the LCA-Tejas program, where gun calibration posed significant challenges. Given the extensive testing and integration requirements, the transition to a new gun for the AMCA may occur at a later stage in the program’s development, potentially during initial operational clearances or subsequent upgrades.
The AMCA program is advancing steadily, with ADA targeting rollout by the late 2026 or early 2027s and induction planned by the mid 2033-34s. The decision on the gun system will likely coincide with final design refinements, ensuring that the platform is optimized for its operational roles.
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