Ordnance Factory Tiruchirappalli

Ordnance Factory Tiruchirappalli (OFT) also called Ordnance Factory Trichy is a defence company based in Tiruchirappalli, Tamil Nadu. It is one of the 41 Indian Ordnance Factories functioning under the Ordnance Factories Board of the Ministry of Defence, Government of India. It was inaugurated on 3 July 1966 by the then Prime Minister of India Indira Gandhi and the 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. It started its production with 9 mm carbines and now manufactures arms ranging from .315 bore rifles to high caliber shell launchers, grenade launchers, aviation armament, naval armament, tank armament, anti-aircraft guns, automatic rifles, sniper rifles. The factory is headed only by an IOFS officer called General Manager (ex officio, Additional Secretary to Government of India) who is the Chief Executive Officer responsible for the overall management of the company and is the main judicial authority.

Products

 * IOF .315 Sporting Rifle - A civilian version of the British, Lee Enfield Rifle, chambered in the 8×50mmR Mannlicher cartridge, rather than the regular .303 cartridge.
 * 5.56 mm 1B1 INSAS Rifle - The INSAS (Indian Small Arms System) 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.
 * 7.62 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 It was the standard issue rifle of the Indian Army, and has been replaced by the INSAS.
 * 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.
 * 7.62 mm Trichy Assault Rifle - An AK-47 rifle developed by Ordnance Factory Trichy. Undergoing user trials.
 * 12.7 mm Air Defence Gun - An Anti-Aircraft autocannon, manufacture by OFT which can also be mounted on helicopters.
 * 14.5 mm Sub Caliber Device - A 14.5 mm Sub-Calibre device is an effective 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.
 * 14.5 mm FAT Gun
 * Anti Material Rifle "Vidhwansak" - An anti-materiel sniper rifle developed by OFT. In use with the Border Security Force. Vidhwansak AMR is one of few firearms to support 3 calibers with quick interchangeability (without completely disassembling and reworking the weapon). The Vidhwansak can be easily converted between the three calibers - 12.7 mm, 14.5 mm and 20 mm, by replacing the barrel, bolt, magazine and scope, which takes about 1 minute in the field, without the need for any specialized tools.
 * 23 mm Ghasha Aviation Gun - An autocannon, for use onboard aircraft. The Ghasha is the gun used on the Tejas
 * 30 mm Cannon - Can be carried by personnel and also be installed in a two-person turret on the Sarath mechanised infantry combat vehicle (ICV), main battle tanks and ships.
 * 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, can engage targets at over 2000m. Recoil is lessened with a much smoother grenade ejection mechanism. An adjustable tripod mount is also included.
 * 38 mm Multi-Shell Launcher (UGRA) - used to launcher tear gas shells for riot control.
 * Under Barrel Grenade Launcher (UBGL) - 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.
 * 40 mm Multi Grenade Launcher (MGL) - 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.

Technology
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 and other laboratories and establishments of 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.

Customers
OFT mainly manufactures weapons for the
 * Indian Armed Forces
 * Central Armed Police Forces
 * State Armed Police Forces
 * Paramilitary Forces of India
 * Special Forces of India.
 * OFT also manufactures weapons for civilians in India.

Various weapons manufactured by OFT such as the INSAS rifles have also been exported to several other countries.