The IRS-class ACTCM barge is a series of 19 ammunition barge built for the Indian Navy by two MSME shipyards. Under the project, 11 Ammunition Cum Torpedo Cum Missile (ACTCM) barges are being built by Suryadipta Projects Pvt Ltd of Thane, Maharashtra while 8 Missile Cum Ammunition (MCA) barges are being built by SECON Engineering Projects Pvt Ltd of Visakhapatnam, Andhra Pradesh. The contracts with the shipyards were signed on 5 March 2021 and 19 February 2021, respectively. The barges are either based at INS Tunir, Naval Missile Depot at Mumbai, or Naval Ammunition Depot (NAD), Karanja at Naval Dockyard (Mumbai).
The model testing of the barge during design stage was undertaken at NSTL, Visakhapatnam, Andhra Pradesh under relevant Naval Rules and Regulation of Indian Register of Shipping. The barges are being built under Atmanirbhar Bharat and Make in India initiative of the government of India. The final barge was delivered by Suryadipta Projects was delivered on 9 September 2025 and inducted in to Indian Navy on 17 October 2025. Under a separate contract Suryadipta Projects is also building 4 sullage barge for the Indian Navy.
Description IRS-class Ammunition-Cum-Torpedo-Cum-Missile (ACTCM) barge are to be inducted in the Indian Navy to undertake the mission needs for transport, embarking or disembarking of ammunition, torpedo, missile, articles, etc. on the navy ships, thereby providing impetus to operational commitments of the navy both alongside jetties and outer harbors boosting operational readiness and effectiveness. The ACTCM barges are also referred to MCA (Missile Cum Ammunition) barges, but all are designated as Large Scale Additive Manufacturing (LSAM). All major and auxiliary equipment/systems on the barge, which is set to have a service life of 30 years have been sourced from indigenous manufacturers.
Delivery of the first barge LSAM 15 (Yard 125) by Suryadipta Projects to Indian Navy was done on 9 June 2023. LSAM 7 to 14 has been built by SECON Engineering and LSAM 15 to 25 has been built by Suryadipta Projects. The barge has a cargo hold of 100 tonnes. The barge has ample facilities for fire fighting, power generation, and crew accommodation.
By October 2025, the entire consignment of eight MCA barges and eleven ACTCM barges have been delivered and inducted in to service. The last of the barges by Suryadipta Projects was launched on 9 September 2025 after a gap of 6 months. The final barge was delivered by Suryadipta Projects and inducted in to Indian Navy on 17 October 2025.
List of units + Pennant Number Builder Yard No. Launched Delivered Base LSAM 7 SECON Engineering Projects (under MCA barge project) 75 24 February 2023 18 July 2023 INS Tunir, Mumbai LSAM 8 76 18 August 2023 19 October 2023 NAD Karanja, Mumbai LSAM 9 77 23 September 2023 22 November 2023 INS Tunir, Mumbai LSAM 10 78 20 November 2023 28 December 2023 NAD Karanja, Mumbai LSAM 11 79 14 February 2025 March 7, 2025https://pib.gov.in/PressReleasePage.aspx?PRID=2109319 INS Tunir, Mumbai LSAM 12 80 10 October 2024 22 November 2024 NAD Karanja, Mumbai LSAM 13 81 10 June 2024 26 September 2024 INS Tunir, Mumbai LSAM 14 82 12 December 2024 7 January 2025 NAD Karanja, Mumbai LSAM 15 Suryadipta Projects (under ACTCM barge project) 125 10 February 2023 9 June 2023 LSAM 16 126 20 July 2023 7 September 2023 LSAM 17 127 27 October 2023 30 November 2023 NAD Karanja, Mumbai LSAM 18 128 28 February 2024 29 March 2024 LSAM 19 129 24 January 2024 5 March 2024 LSAM 20 130 29 April 2024 29 May 2024 LSAM 21 131 5 September 2024 4 October 2024 LSAM 22 132 30 November 2024 6 January 2025 LSAM 23 133 1 February 2025 12 March 2025 LSAM 24 134 26 March 2025 22 April 2025 LSAM 251359 September 202517 October 2025Naval Dockyard (Mumbai)
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Marine consultants