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L134A1

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« The L134A1 is a British designation for a Heckler & Koch GMG automatic grenade launcher. It fires 40mm grenades at a rate of about 350 rounds per minute and can be used for accurate, long range bombardment.
This weapon features the ACOG (Advanced Combat Optical Gunsight).
Armoury Description[1]
 »


The L134A1 is a 40 mm automatic grenade launcher used exclusively by the British Army in ArmA 2. It was added with the release of the British Armed Forces DLC.

Overview[]

This is a premium asset that requires ownership of the British Armed Forces DLC.

The L134A1 is a static/vehicle-mounted automatic grenade launcher that fires 40 mm grenade rounds.

It can attain a fire rate of up to 375 rounds per minute[CfgWp 4][Formula 1] and has a muzzle velocity of 240 m/s.[CfgMa 2] The L134A1 is fitted with an ACOG riflescope. The tripod allows the gunner to freely swivel the turret up to 90 degrees in either direction horizontally[CfgVh 1][CfgVh 2] but limits vertical elevation to an angle of 70 degrees[CfgVh 3] and depression of just 20 degrees.[CfgVh 4] It takes at least 6 seconds to rearm the L134A1 with a fresh belt.[CfgWp 5]

Static L134A1s feed from 32-round high-explosive (HE) grenade belts. L134A1s are always pre-loaded with one belt by default and have access to a further 3 belts spare for a combined total of 128 grenades.[CfgVh 5]

Essentially the British counterpart of the American-made MK19, the L134A1 can suppress large groups of enemies by bombarding them with a hail of grenade fire. It works best as an anti-infantry weapon, though it is also quite effective against both unarmoured and light armour vehicles as well.

Compared to the MK19, the L134A1 is the overall better weapon since it possesses magnified optics, which makes it far easier for the operator see their targets more clearly (the MK19 relies on a simple leaf sight). The only drawbacks of the L134A1 are its lower fire rate and smaller magazine capacity since the MK19 uses 48-round grenade belts whereas the L134A1 is restricted to 32-round boxes.

Optics[]

Arma2-l134a1-ironsight-overview

The L134A1's riflescope uses a fixed magnification of 4.01x[CfgVh 6][CfgVh 7][CfgVh 8][Formula 2] and allows for zeroing to be manually adjusted, starting from a minimum of 300 metres up to a maximum of 1,600 metres (300, 400, 500, 600, 700, 800, 900, 1000, 1100, 1200, 1300, 1400, 1500, 1600).[CfgVh 9] By default, it is set to a zeroing of 300 metres.[CfgVh 10]

Assuming a default zeroing of 300 metres, the dot at the centre of the reticle's horseshoe represents the approximate point of impact of fired grenades. However due to the launcher's high dispersion, grenades may not always land precisely on the dot. Therefore, it is best to rely on the outline of the horseshoe's shape to estimate the point of impact instead.

The scope itself is unable to toggle enhanced vision modes, though the user does have the ability to wear their own night vision goggles while looking through it.

Ammunition[]

Parameter Value
Base damage value 12[CfgAm 1]
Splash damage value 10[CfgAm 2]
Warhead type High-Explosive
Blast radius (metres) 5[CfgAm 3]
Muzzle velocity (m/s) 240[CfgMa 2]

Static L134A1s can only feed from one[CfgWp 6] type of "magazine":

32Rnd. 40mm Grenade[]

Standard 32-round grenade belt box. The grenades are fitted with high-explosive (HE) warheads[CfgMa 3] that have a blast radius of 5 metres.[CfgAm 3]

They have a minimum fuse range of 15 metres. Grenades impacting the terrain under this distance will not explode.[CfgAm 4] The grenade also has a maximum timer of 20 seconds; it will automatically disappear if it does not hit a hard surface within that timeframe.[CfgAm 5]

Trivia[]

  • Even though its Armoury Description states that the GMG has a fire rate of only 350 rounds per minute, the in-game L134A1 is actually capable of attaining a ROF of 375 RPM.
    • It should also be noted that this is much higher than what its real-world counterpart is capable of (real GMGs have a ROF of just 340 RPM).[2]
  • Oddly enough, the GMG-armed Jackal 2 actually uses a modified L134A1 (config-wise) based on the MK19 instead of the L134A1 even though the vehicle's "GMG" is clearly modelled after the GMG and not the MK19.
  • Prior to the latest Steam version patches (as part of CorePatch's changes), the L134A1's gunner did not have the ability to manually adjust its zeroing.[3]
  • While it doesn't make an actual appearance as a deployable static weapon (a role occupied by the newer Mk32), the GMG features prominently as a mounted heavy weapon on several light/medium armour ground vehicles in ArmA 3.

Gallery[]

Config/script references[]

CfgAmmo

  1. ↑ CfgAmmo >> G_40mm_HE >> hit
  2. ↑ CfgAmmo >> G_40mm_HE >> indirectHit
  3. ↑ 3.0 3.1 CfgAmmo >> G_40mm_HE >> indirectHitRange
  4. ↑ CfgAmmo >> G_40mm_HE >> fuseDistance
  5. ↑ CfgAmmo >> G_40mm_HE >> timeToLive

CfgMagazines

  1. ↑ CfgMagazines >> 32Rnd_40mm_GMG >> count
  2. ↑ 2.0 2.1 CfgMagazines >> 32Rnd_40mm_GMG >> initSpeed
  3. ↑ CfgMagazines >> 32Rnd_40mm_GMG >> ammo >> "G_40mm_HE"

CfgWeapons

  1. ↑ CfgWeapons >> BAF_static_GMG >> dispersion
  2. ↑ CfgWeapons >> BAF_static_GMG >> recoil
  3. ↑ CfgWeapons >> BAF_static_GMG >> dexterity
  4. ↑ CfgWeapons >> BAF_static_GMG >> reloadTime
  5. ↑ CfgWeapons >> BAF_static_GMG >> magazineReloadTime
  6. ↑ CfgWeapons >> BAF_static_GMG >> magazines[] >> {"32Rnd_40mm_GMG"}

CfgVehicles

  1. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> minTurn
  2. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> maxTurn
  3. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> maxElev
  4. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> minElev
  5. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> magazines[] >> {"32Rnd_40mm_GMG","32Rnd_40mm_GMG","32Rnd_40mm_GMG","32Rnd_40mm_GMG"}
  6. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> initFov >> "0.0623"
  7. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> maxFov >> "0.0623"
  8. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> minFov >> "0.0623"
  9. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> discreteDistance[] >> {300,400,500,600,700,800,900,1000,1100,1200,1300,1400,1500,1600}
  10. ↑ CfgVehicles >> BAF_GMG_Tripod_D >> Turrets >> MainTurret >> discreteDistanceInitIndex >> "0"

Formulae

  1. ↑ 60 / reloadTime = 60 / 0.16
  2. ↑ 0.25 / FOV values (initFov/maxFov/minFov) = 0.25 / 0.0623

Notes[]

  1. ↑ Dexterity is defined within the weapon's config but it does not apply since the L134A1 is a static turret.

References[]

  1. ↑ Bohemia Interactive a.s., 2010, Weaponry, Arma 2, viewed 5 March 2025, <https://www.arma2.com/arma-2-baf-weaponry/arma2-baf-weapons>.
  2. ↑ Heckler & Koch GmbH 2014, Technical Data | GMG, Heckler & Koch, viewed 19 June 2024, <http://web.archive.org/web/20140823082208/http://www.heckler-koch.com/en/products/military/40-mm-systems/gmg/gmg/technical-data.html>. (archived link)
  3. ↑ Mazzon, M et al. 2019, CorePatch, GitHub, viewed 19 June 2024, <https://github.com/Goliath86/CorePatch/blob/master/Changelog.txt>.

External links[]

See also[]

Static weapons of comparable role and configuration[]

Weapons of ArmA 2
Handguns CZ 75 9 mm • G17 9 mm • M1911 .45 • M9 9 mm • Makarov 9 mm • Revolver .45
Submachine guns CZ Scorpion Evo 3 A1 9 mm • MP5 9 mm • PDW 9 mm • PP-19 Bizon 9 mm • Sa-61 Scorpion .32
Shotguns M1014 • Saiga 12K • AA-12
Carbines AKS-74U 5.45 mm* • G36 series* (G36C*, G36K*) • M4A1 5.56 mm (M4A1 M203, M4A3, M4A3 M203) • Mk16 CQC 5.56 mm • XM8 Compact 5.56 mm
Assault rifles AK-107 5.45 mm (AK-107 GP-25) • AK-74 5.45 mm (AK-74 GP-25*, AKS-74*) • AKM 7.62 mm • AKS 7.62 mm* • CZ 805 BREN A1 5.56 mm (CZ 805 A1 G1, CZ 805 BREN A2, CZ 805 B1 G1) • FN FAL 7.62 mm • G36A 5.56 mm* • L85A2 5.56 mm (L85A2 UGL) • M16A2 5.56 mm* (M16A2 M203*) • M16A4 5.56 mm (M16A4 M203) • SCAR series (Mk16, Mk16 EGLM, Mk17, Mk17 EGLM) • Sa-58 7.62 mm • XM8 series (XM8, XM8 M320)
Designated marksman rifles DMR 7.62 mm • L86A2 LSW 5.56 mm • M14 7.62 mm • Mk12 SPR 5.56 mm • Mk17 Sniper 7.62 mm • VSS Vintorez 9 mm • XM8 Sharpshooter 5.56 mm
Sniper rifles AS50 12.7 mm • CZ 550 9.3 mm • CZ 750 S1 M1 .308 • KSVK 12.7 mm* • Lee-Enfield .303 • LRR .338 • M107 .50* • M110 7.62 mm • M24 7.62 mm* (M40A3) • SVD Dragunov 7.62 mm*
Squad automatic weapons L110A1 5.56 mm • M249 SAW 5.56 mm* • MG36 5.56 mm* • RPK-74 5.45 mm • XM8 Automatic Rifle 5.56 mm
Machineguns L7A2 GPMG 7.62 mm • Mk 48 Mod 0 7.62 mm* • M240 7.62 mm* • M60E4 7.62 mm • PKP 7.62 mm • PKM 7.62 mm • UK-59 7.62 mm
Grenade launchers M32 • M79 • Mk13
Launchers 9K32 Strela-2 • 9K38 Igla • 9K115-2 Metis-M • FGM-148 Javelin • FIM-92F Stinger • M136 • M47 Dragon • MAAWS • NLAW • RPG-7V • RPG-18 • SMAW
Static AGS-30 • D-30 • DShKM • Igla AA Pod • KORD • L111A1 • L134A1 • M119A1 • M2 • M252 • Mk19 • Metis AT-13 • 2B14 Podnos • RBS-70 • Searchlight • SPG-9 • Stinger • TOW • ZU-23
(Parenthesis) denote variants.
* indicates partial DLC dependency.
Operation Arrowhead | British Armed Forces | Private Military Company | Army of the Czech Republic
British Army - Armoury (ArmA 2)
Handguns M1911 .45
Assault rifles L85A2 5.56 mm (L85A2 UGL)
Designated marksman rifles L86A2 LSW 5.56 mm
Sniper rifles AS50 12.7 mm • LRR .338
Squad automatic weapons L110A1 5.56 mm
Machineguns L7A2 GPMG 7.62 mm
Launchers FGM-148 Javelin • FIM-92F Stinger • NLAW
Static L111A1 • L134A1
(Parenthesis) denote variants.
British Armed Forces
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