Ordnance Factory Tiruchirappalli

It was inaugurated on 3 July 1966 by the then Prime Minister of India Indira Gandhi,[4] and production began in 1967. It was established to increase the small arms production in the country, assisting the Rifle Factory Ishapore and Small Arms Factory, Kanpur. The need was felt after the Indo-Pakistani War of 1965.

OFT started its production with 9 mm carbines and now manufactures arms ranging from 5.56 mm rifles to rocket launchers, shell launchers, grenade launchers, aviation armament, naval armament, tank armament, anti-aircraft guns, autocannons, automatic rifles, sniper rifles.[5]

• IOF .315 sporting rifle - A civilian version of the British Lee–Enfield rifle, chambered in the 8×50mmR Mannlicher cartridge, rather than the .303 British cartridge.[6]
• INSAS rifle - The INSAS (Indian Small Arms System) 5.56 mm assault rifle is the standard-issue rifle of the Indian Army. At least 300,000 of these weapons have been sold to the Indian Army.[7]
• 7.62 mm 1A1 rifle - License produced variant of the British L1A1 self-loading rifle. It was the standard-issue rifle of the Indian Army and has been replaced by the INSAS.[8][9]
• 7.62 mm PKT gun - Indian license produced variant of PKT machine gun mounted on main battle tanks such as Arjun, Ajeya, Bhishma of the Indian Army.[10]
• 7.62 mm Trichy Assault Rifle - A 7.62 mm caliber assault rifle developed by Ordnance Factory Trichy. In use by paramilitary forces such as CRPF, CISF, BSF, etc.[11] [12][13][14][15][16][17][18] Also in use with the State Police Forces of Madhya Pradesh, Maharashtra, Rajasthan, Kerala, Jharkhand, Chhattisgarh, among others.[19][20]
• 12.7 mm air defence gun - An anti-aircraft autocannon, manufactured by OFT which can be mounted on helicopters, besides land and sea applications.[21][22]
• 14.5 mm sub caliber device - A training weapon for the crew of T-72 tank for 125 mm gun, in range practice against standard targets, using 14.5 mm armour piercing incendiary tracer bullet with steel case.[23][24]
• 14.5 mm FAT gun[25]
• Vidhwansak anti material rifle - An anti-materiel sniper rifle developed by OFT. In use with the Border Security Force. The Vidhwansak can be easily changed between three calibers (12.7 mm, 14.5 mm and 20 mm) by replacing the barrel, bolt, magazine and scope without any specialized tools.[26][27][28][29][30][31]
• Ghasha 23 mm aviation gun - An autocannon, for use onboard aircraft. The Ghasha is the gun used on aircraft like the Tejas, MiG-21, MiG-27 and Mi-24 helicopters,.[32]
• 30 mm automatic cannon 2A42 - Installed in a two-person turret on the Sarath mechanised infantry combat vehicle (ICV) and ships.[21]
• 30 mm auto grenade launcher - provides better mobility, longer range, increased rate of fire and better accuracy during firing. Significantly lighter than its previous version but far more advanced and powerful, it can engage targets at over 2000m. Recoil is lessened.[33]
• 38 mm multi-shell launcher (UGRA) - used to launch tear gas shells for riot control.[34][35][36]
• ARDE 40 mm under barrel grenade launcher - An under-barrel grenade launcher, developed by ARDE and OFT for use with INSAS rifles. It is also compatible with the AK-47s in service with the Indian Army.[37]
• 40 mm multi grenade launcher - A variety of rounds such as HE, HEAT, anti-riot baton, irritant, and pyrotechnic can be loaded and fired as fast as the trigger can be pulled; the cylinder can be loaded or unloaded rapidly to maintain a high rate of fire.

OFT currently manufactures some products under license from the foreign companies that produce them. It is working closely with the Armament Research and Development Establishment[41] and other laboratories and establishments of the Defence Research and Development Organisation (DRDO) to indigenise the weapons. It is also working with the companies to develop new products that would be jointly engineered.

OFT mainly manufactures weapons for the

• Indian Armed Forces
• Central Armed Police Forces
• State Armed Police Forces
• Paramilitary Forces of India[42]
• Special Forces of India.[43]
• OFT also manufactures weapons for civilians in India.

Weapons manufactured by OFT such as the INSAS rifles have been exported to several countries.[44][45]