The following is a list of weapons used by the Provisional Irish Republican Army (IRA) during the Troubles.

Sources

During the initial phase of the Troubles (1969–1972), the Provisional IRA was poorly equipped and primarily used weapons from World War II. Beginning in the 1970s, the Provisional IRA began importing modern weapons from the United States, Libyan leader Colonel Muammar Gaddafi, and arms dealers in mainland Europe, the Middle East, and elsewhere.

Firearms Handguns ModelImageCaliberTypeOriginDetailsBrowning Hi-Power 9×19mm Parabellum Pistol Luger P08 9×19mm Parabellum Pistol Mauser C96 9×25mm Mauser Pistol Webley Revolver .455 Webley Revolver M1911 .45 ACP Pistol Known to be used in some quantities from 1969 to 1998.Taurus PT92 9×19mm Parabellum Pistol Smuggled from Libya. Glock 17 9×19mm Parabellum Pistol Several smuggled from the US following the IRA's 1994 ceasefire.

Rifles ModelImageCaliberTypeOriginDetails Martini–Henry .577/450 Martini–Henry Martini falling-block In IRA inventory at the outset of The Troubles.Lee–Enfield .303 British Bolt action rifle In IRA arsenal from the outset of the Troubles.The Troubles #14 (June 1972), page 31. Continued limited usage by the IRA into the late 1970s. Loaded .303 rifles found by Irish security forces at an IRA training camp in Kilkelly, County Mayo, as late as 1985; Lee-Enfield reportedly still in active use in sniper role in late 1980s."Kilkelly an IRA training camp - Gardaí", Mayo News, 20 March 1985. Gewehr 98 7.92×57mm Mauser Bolt action rifle Belfast Telegraph, 26 April 1983.M1 carbine .30 Carbine Semi-automatic Carbine M1 Garand .30-06 Springfield Semi-automatic rifle Imported to Ireland in large numbers from 1970 onwards. Still in widespread general use in early 1980s.AR-15 5.56×45mm NATO Semi-automatic rifle Smuggled to Ireland by the Harrison Network.AR-180 5.56×45mm NATO Semi-automatic rifle Semi-Automatic variant of the AR-18. L1A1 Self-Loading Rifle 7.62×51mm NATO Battle rifle Rifles taken from the British Army.FN FAL 7.62×51mm NATO Battle rifle SKS/ Type 56 7.62×39mm Semi-automatic rifle Rifles used were of Chinese manufacture and had been originally supplied to the Palestine Liberation Organization.Remington Model 742 .30-06 Springfield, .308 Winchester Semi-automatic rifle Remington Model 742 and various other civilian hunting rifles.Ruger Mini-14 5.56×45mm NATO Semi-automatic rifle Preetz Model 65 .22 Long Rifle Semi-automatic rifle Several smuggled from continental Europe in 1974."NEW GUNS IN IRA'S ARMOURY", Belfast Telegraph, 3 April 1974.Valmet M62/S 7.62×39mm Semi-automatic rifle Example found by British soldier in possession of a woman in the Ardoyne area of Belfast in 1976. Serial number traced rifle to Harrison Network.Gewehr 43 7.92×57mm Mauser Semi-automatic rifle Example found by Irish security forces at Buncrana in County Donegal in 1976, serial number traced to Harrison Network. Example also demonstrated at an IRA training camp in 1983.Beretta BM 59 7.62×51mm NATO Semi-automatic rifle FN Model 1949 7×57mm Mauser Semi-automatic rifle Surplus Venezuelan contract rifles.M14 7.62×51mm NATO Battle rifle Smuggled to Ireland by the Harrison Network, seized upon arrival.M1A 7.62×51mm NATO Semi-automatic rifle Stgw. 57 7.5×55mm Swiss Battle rifle Rifle found in IRA safehouse and bomb factory in Liverpool, England in 1975.Belfast News Letter, 12 May 1976.Liverpool Daily Post, 12 May 1976. Example also appeared in IRA arms shipment from the United States in the early 1980s.Heckler & Koch G3 7.62×51mm NATO Battle rifle Several traced to batch of 100 stolen from Norwegian Reserve base near Oslo in May 1984.The Irish Times, 20 February 1986. Already reportedly in IRA inventory as early as 1981 and used in attacks.Belfast Telegraph, 9 September 1982.Belfast Telegraph, 20 November 1983.

Assault rifles ModelImageCaliberTypeOriginDetailsM16 5.56×45mm NATO Assault rifle Smuggled to Ireland by the Harrison Network.AK-47 7.62×39mm Assault rifle Small numbers reported in IRA inventory by 1976.The Irish Times, 11 May 1976. Several attempts at importing from the Middle East and United States foiled in 1970s. Used in attacks and at training camps from at least 1983. Romanian AKMs provided by Libyan leader Muammar Gaddafi 1985–1986. Libya also supplied AKM rifles of East German manufacture. 1,000 rifles seized by French security forces aboard the Libyan arms freighter Eksund in 1987. IRA believed to still have approximately 650 AK-47/AKM rifles in inventory in 1992.Vz. 58 7.62×39mm Assault rifle Large haul of vz.58 rifles found in intercepted Libyan arms shipments in 1970s."IRA turns to East for tools of terror", Irish Independent, 27 January 1986. Vz. 58 reportedly acquired by IRA later and used in incident in which an Irish Army soldier and Garda officer were killed at Derrada Wood, Ballinamore, County Leitrim in December 1983.Irish Press, 11 January 1988. Six rifles found in a car stopped at permanent British Army checkpoint on the main Dublin-Road in 1988, Libyan connection suspected.Sunday Press, 1 May 1988.Belfast Telegraph, 2 February 1989. Example found in a hidden IRA arms dump in Newry, County Down, in 1989. Weapons described as "Czech versions" of the AK-47/AKM were reportedly part of mid-1980s arms shipments from Libya.SIG SG 540 5.56×45mm NATO Assault rifle Used in Derry in 1984, reportedly taken from an INLA arms cache."'Terrorist arsenal' find", Derry Journal, 25 September 1984. CAR-15 Commando 5.56×45mm NATO Assault rifle FN CAL 5.56×45mm NATO Assault rifle Used by the South Armagh Brigade from at least 1983. FN CAL rifle used in killing of IPLO member in Newry in 1991 linked to 1985 attacks on British Army helicopters in South Armagh.The Irish Times, 18 April 1990. The IRA reported using "Cal semi-automatic rifles" in an attack in north Antrim in 1985 and in Belfast in 1987.FN FNC 5.56×45mm NATO Assault rifle First documented in IRA armoury in early 1985Belfast Telegraph, 23 February 1985. notably before some regular militaries who had ordered the FNC. Widespread usage with forty examples recovered by British security forces by 1991.Irish Press, 1 July 1991.PM md. 63 7.62×39mm Assault rifle Romanian variant of Russian AK-47 and AKM. Provided by Libyan leader Muammar Gaddafi. AIM models used.AK-74 5.45×39mm Assault rifle A 5.45×39mm round was extracted from a British soldier shot in an IRA ambush in August 1992 in County Tyrone. Security sources suspected the IRA had acquired AK-74 rifles in the former Soviet bloc, or it was part of an earlier Libyan shipment."FEARSOME NEW WEAPON IN IRA ARMOURY", Sunday Life, 6 September 1992.AN-94 5.45×39mm Assault rifle Reportedly, the IRA purchased at least 20 examples in late 2001.

Sniper rifles ModelImageCaliberTypeOriginDetailsBarrett M82 .50 BMG Anti-materiel rifle Used during the South Armagh Sniper campaign.Barrett M90 .50 BMG Anti-materiel rifle Used during the South Armagh Sniper campaign.Harnden, Toby (2000) Bandit Country:The IRA and South Armagh. Coronet Books, pp. 406-407. Tejas rifle .50 BMG Anti-materiel rifle Bolt-action .50 BMG rifle"Provos' supergun seized by Army", Newcastle Journal, 18 August 1993. manufactured by former Barret employee Ron Freshour of Texas. Dubbed the "Tejas rifle" by security forces and media after being seized in Belfast with "Tejas" found engraved on stock."Police tracked IRA sniper rifle", Sunday Life, 22 August 1993.V-94 12.7×108mm Anti-materiel rifle Intelligence reports suggested the IRA had imported weapons from Estonia following their 1994 ceasefire, including the V-94 12.7mm sniper rifle.Dragunov 7.62×54mmR Designated marksman rifle 1993 newspaper report alleged IRA was in possession of the rifle."The killing machines...", Sunday Life, 25 July 1993. Attempt to smuggle Dragunov rifles from the US in late 1990s foiled by the FBI.Ruger M77 .308 Winchester Sniper rifle "X-ray device to block IRA postal arms route", Irish Independent, 14 April 1989.FN Model 30-11 7.62×51mm NATO Sniper rifle Recovered by British security forces from an IRA arms haul in West Belfast in 1992."Month in Focus", Police Beat, Volume 14 No. 2, Police Federation for Northern Ireland, 1992

Submachine guns ModelImageCaliberTypeOriginDetailsThompson .45 ACP Submachine Gun Used from the outset of the Troubles, including some from the IRA in the 1920s and also the later simplified M1 model. Less common by the late 1970s but reportedly still seeing usage in early 1980s.Belfast Telegraph, 4 August 1983. Sten 9×19mm Parabellum Submachine Gun M3 .45 ACP Submachine Gun Regular and suppressed versions."Big IRA weapons seizure", Irish Independent, 1 October 1993. MP-40 9×19mm Parabellum Submachine Gun Carl Gustaf m/45 9×19mm Parabellum Submachine Gun Several examples with Swedish Army markings captured from the IRA in Belfast in the early 1970s. Large quantities of ammunition also seized, manufactured in and likely imported from Europe. Reportedly, some weapons also stolen from the Irish Army.United Defense M42 9×19mm Parabellum Submachine Gun Given to the IRA by Greek Cypriot group EOKA.Sterling 9×19mm Parabellum Submachine Gun F1 9×19mm Parabellum Submachine Gun Single gun stolen from the Australian Army in Adelaide in 1972. Recovered from safehouse of Belfast IRA commander Brendan Hughes in 1974.Belfast News Letter, 31 October 1974. Sa vz. 23 7.62×25mm Tokarev Submachine gun Vigneron 9×19mm Parabellum Submachine gun Uzi 9×19mm Parabellum Submachine Gun MAC-10 .45 ACP Submachine Gun Seized from the Harrison Network by the FBI in 1981.Beretta M12 9×19mm Parabellum Submachine Gun Škorpion vz. 61 .32 ACP Submachine Gun Several seized aboard the Libyan arms freighter Eksund in 1987, reportedly fitted with silencers."Arms haul crucial to IRA strategy", Evening Herald, 4 November 1987. Separately, examples confiscated from the INLA and IPLO in late 1980s and early 1990s.

Machine guns ModelImageCaliberTypeOriginDetailsVickers machine gun .303 British Medium machine gun