Armed Assault Wiki
Armed Assault Wiki
Armed Assault Wiki
2,172
pages
in: Article stubs, Special purpose weapons (S.O.G.), Pistols (S.O.G.),
and 7 more

Mk1 UDG (S.O.G.)

Sign in to edit

« The Mk1 Underwater Defence Gun (UDG) is a compact, double action only pepper-box weapon with a removable cylinder of six 4.25in darts. It was developed in the 1960s for use by US Navy SEAL Underwater Demolitions Teams (UDT's). The UDG is almost silent when used on land, and has an effective range of 30 feet.
Field Manual
 »
The Mk1 UDG handgun.
The Mk1 UDG handgun.

The Mk1 UDG is an underwater pistol used exclusively by MACV-SOG forces in ArmA 3. It was added with the release of the S.O.G. Prairie Fire Creator DLC.

Overview[]

This section is a stub. You can help Armed Assault Wiki by expanding it.

The Mark 1 Underwater Defense Gun (UDG) is a double-action pepperbox-type pistol.

It can only load 6-round cylinders "magazines" that are specifically designed for its use. It has a muzzle velocity of 280 m/s[CfgWp 7] and can attain a fire rate of approximately ~ 857 rounds per minute.[CfgWp 8][Formula 1]

Mk1 UDGs cannot be fitted with optics and muzzle attachments, nor can they be dual-wielded alongside a flashlight. When fired below the water's surface, the Mk1 UDG can be used to engage enemy divers or infantry standing close to the water's edge at ranges of up to 10 metres (at a depth of approximately ~ 18 metres).

It should be noted that in spite of its appearance, the Mk1 UDG is classified as a primary weapon and cannot be carried in the user's secondary weapon slot.[CfgWp 9]

Ironsights[]

Arma3-sogpfmk1udg-ironsight-overview

The Mk1 UDG uses a fixed zeroing of 10 metres that cannot be manually adjusted.[CfgWp 10][CfgWp 11]

The three green dots on the front and rear sights are not actually illuminated. However, depending on the user's facing direction and the position of nearby ambient light sources (moonlight included), the dots' high reflectivity can make them appear to "shine" even in low-light conditions.

Ammunition[]

Arma3-ammunition-sogpf6rndmk1udg
Ammo parameter Mark 59 Mod 0 (Dart)
Base damage value 10[CfgAm 1]
Aerodynamic friction -0.02[CfgAm 2]
Muzzle velocity (m/s) 225
[CfgMa 2][note 1]
Actual: 280
[CfgWp 7][note 2]
Expected velocity (m/s) 225
[CfgAm 3][note 3]
Penetration depth (mm) 3.0375
[CfgAm 4][Formula 2]
Actual: 3.78
[Formula 3][note 4]
Deflection angle (degrees) 0°[CfgAm 5]

Mk1 UDGs can only load one type of magazine.[CfgWp 12] It has a weight of 8[CfgMa 3] "mass" units:

6Rnd. Mk1 UDG Mag[]

6-round cylinder loaded with 4.25-inch Mk59 dart projectiles.[CfgMa 4]

None of the rounds fired will emit visible tracers.[note 5]

Magazine compatibility[]

Weapon name
(Classname)		 6Rnd. Mk1 UDG Mag
Mk1 UDG
(vn_mk1_udg)		 ✔


Trivia[]

  • The Mk1 UDG was not initially available as part of S.O.G.'s launch content and was only added after the release of Update 1.1.[1]
  • Upon its inclusion, it was still possible to strike opponents physically by pistol whipping them with the Mk1 UDG. This was removed after a hotfix for Update 1.1, which disabled the Mk1 UDG's alternate melee attack.[2]
  • It is unique for being the first pistol-type weapon in the series that isn't carried as a secondary weapon (albeit only in a semi-official capacity).

Gallery[]

Config/script references[]

CfgAmmo

  1. ↑ CfgAmmo >> vn_mk1_udg_ammo >> hit
  2. ↑ CfgAmmo >> vn_mk1_udg_ammo >> airFriction
  3. ↑ CfgAmmo >> vn_mk1_udg_ammo >> typicalSpeed
  4. ↑ CfgAmmo >> vn_mk1_udg_ammo >> caliber
  5. ↑ CfgAmmo >> vn_mk1_udg_ammo >> deflecting

CfgMagazines

  1. ↑ CfgMagazines >> vn_mk1_udg_mag >> count
  2. ↑ CfgMagazines >> vn_mk1_udg_mag >> initSpeed
  3. ↑ CfgMagazines >> vn_mk1_udg_mag >> mass
  4. ↑ CfgMagazines >> vn_mk1_udg_mag >> ammo >> "vn_mk1_udg_ammo"

CfgWeapons

  1. ↑ CfgWeapons >> vn_mk1_udg >> Single >> dispersion
  2. ↑ CfgWeapons >> vn_mk1_udg >> WeaponSlotsInfo >> mass
  3. ↑ CfgWeapons >> vn_mk1_udg >> recoil
  4. ↑ CfgWeapons >> vn_mk1_udg >> recoilProne
  5. ↑ CfgWeapons >> vn_mk1_udg >> inertia
  6. ↑ CfgWeapons >> vn_mk1_udg >> dexterity
  7. ↑ 7.0 7.1 CfgWeapons >> vn_mk1_udg >> initSpeed
  8. ↑ CfgWeapons >> vn_mk1_udg >> Single >> reloadTime
  9. ↑ CfgWeapons >> vn_mk1_udg >> type >> "1"
  10. ↑ CfgWeapons >> vn_mk1_udg >> discreteDistance[] >> {10}
  11. ↑ CfgWeapons >> vn_mk1_udg >> discreteDistanceInitIndex >> "0"
  12. ↑ CfgWeapons >> vn_mk1_udg >> magazines[] >> {"vn_mk1_udg_mag"}

Formulae

  1. ↑ 60 / reloadTime = 60 / 0.07
  2. ↑ Magazine's initSpeed * Ammo's caliber * 15 / 1000 = 225 * 0.9 * 15 / 1000
  3. ↑ Weapon's initSpeed * Ammo's caliber * 15 / 1000 = 280 * 0.9 * 15 / 1000

Notes[]

  1. ↑ This muzzle velocity value (225 m/s) only applies to the magazine itself. The weapon's initSpeed value (280 m/s) always takes precedence over the magazine's initSpeed since it is not defined as a coefficient.
  2. ↑ This is the Mk1 UDG's actual muzzle velocity. The weapon class initSpeed value (280 m/s) takes precedence over the magazine initSpeed value (225 m/s).
  3. ↑ Damage will be reduced if the projectile's velocity drops below this value.
  4. ↑ This is the actual penetration depth of the Mk1 UDG's Mark 59 Mod 0 darts. The weapon class initSpeed value (280 m/s) takes precedence over the magazine initSpeed value (225 m/s), affecting its penetration formula as a result.
  5. ↑ This magazine technically does emit visible tracers as the tracersEvery and lastRoundsTracer tokens have been defined for the magazine classname. However, because the ammo classname's nvgOnly token is set to a value of 1 (true), it will not be visible unless the user looks directly at the projectile in midair with night vision activated. Furthermore, because the Mk1 UDG's Mk59 darts use an actual "bullet" model (vn_mk1_udg_ammo.p3d) as opposed to the generic tracer projectile model, no real "tracer" projectile will actually be created at the time of the dart being fired.

References[]

  1. ↑ Graham, R et al. 2021, S.O.G. Prairie Fire - Changelog, Bohemia Interactive Forums, viewed 11 December 2023, <https://forums.bohemia.net/forums/topic/234698-sog-prairie-fire-changelog/?do=findComment&comment=3447057>.
  2. ↑ Graham, R et al. 2021, S.O.G. Prairie Fire - Changelog, Bohemia Interactive Forums, viewed 11 December 2023, <https://forums.bohemia.net/forums/topic/234698-sog-prairie-fire-changelog/?do=findComment&comment=3447692>.

External links[]

See also[]

Weapons of S.O.G. Prairie Fire
Handguns .38 Revolver • HD .22 • HP 9 mm • M712 7.62 mm • M1895 7.62 mm • M1911 .45 • Mk1 UDG 2.54 mm • Mk22 Mod 0 9 mm • Model 10 .38 • P38 9 mm • PM 9 mm • PPK 9 mm • TT-33 7.62 mm • Type 64 Pistol 7.65 mm • Welrod 7.65 mm
Submachine guns F1 SMG 9 mm • L2A3 9 mm (L34A1, L34A1 XM148) • M/45 9 mm • M1A1 Tommy Gun .45 (Shorty, M1928, M1928A1) • M3A1 Grease Gun .45 • MAT-49 9 mm (VC) • MC-10 9 mm • MP40 9 mm • MPU 9 mm • PPS-43 7.62 mm (PPS-52) • PPSh-41 7.62 mm (K-50M) • Sten Mk.II 9 mm • Type 64 SMG 7.65 mm • VZ.61 7.65 mm
Shotguns ISh-54 (Sawn-off, Sidearm) • M1897
Carbines GAU-5A/A 5.56 mm • M1 Carbine 7.62 mm (M1 Rifle Grenade, M2, M2 Rifle Grenade, M3) • SKS 7.62 mm (GL) • XM177E1 5.56 mm (E2, E2 Foregrip, E2 Stock, E2 Short, E2 XM148)
Rifles/Assault rifles AK 7.62 mm • K98K 7.92 mm • KBKG 7.62 mm (Rifle Grenade) • L1A1 7.62 mm (XM148, Rifle Grenade, SAS) • M1 Garand 7.62 mm (Rifle Grenade) • M16A1 5.56 mm (M203, XM148, E1, E1 XM148, USAF) • M1903 7.62 mm (Rifle Grenade) • M36 7.5 mm • M38 7.62 mm • M49/56 7.5 mm (Rifle Grenade) • M63A 5.56 mm • Type 56 7.62 mm
Squad automatic weapons DP-27 7.62 mm • L2A1 LMG 7.62 mm • L4 LMG 7.62 mm • M1918A2 7.62 mm • M63A LMG 5.56 mm (Commando) • RPD 7.62 mm (El Cid, Shorty)
Machineguns M60 7.62 mm (Shorty) • MG42 7.92 mm • PK 7.62 mm
Designated marksman rifles M14 7.62 mm (A1, Shorty) • M1891 7.62 mm
Sniper rifles M40 7.62 mm • M91/30 7.62 mm • SVD 7.62 mm • VZ54 7.62 mm • XM21 7.62 mm
Grenade launchers M79 (Sawn-off)
Launchers 9K32 Strela-2 (M) • B40 • B41 • M127 Flare Launcher • M20A1B1 • M72 LAW
Static 9P111 Malyutka • BGM-71 TOW • D44 • DP-27 • DShKM • H12 Rocket Launcher • L/70 Mk2 • M2 Mortar • M2HB • M1910 • M29 Mortar • M40A1 Recoilless Rifle • M45 Quadmount • M60 • M101 Howitzer • M1919A4 (M1919A6) • MG42 • Mk18 Mod 0 • PK • RPD • SGM • Spiderhole • Type 53 Mortar • Type 56 Recoilless Rifle • Type 63 Mortar • ZGU-1 • ZPU-4
(Parenthesis) denote variants.
MACV/CIA/MEDT - Armoury (S.O.G. Prairie Fire)
Handguns .38 Revolver • HP 9 mm§ • M1911 .45 • Mk1 UDG 2.54 mm • Mk22 Mod 0 9 mm • Model 10 .38 • P38 9 mm§ • PPK 9 mm§ • Welrod 7.65 mm
Submachine guns L34A1 9 mm§ • M/45 9 mm • M1A1 Tommy Gun .45 (Shorty*) • M3A1 Grease Gun .45 • MAT-49 9 mm • MPU 9 mm* • Sten Mk.II 9 mm • Type 64 SMG 7.65 mm§
Shotguns M1897
Carbines M1 Carbine 7.62 mm (M1 Rifle Grenade, M2*, M2 Rifle Grenade, M3) • XM177E1 5.56 mm (E2, E2 Foregrip, E2 Stock§, E2 Short, E2 XM148)
Rifles/Assault rifles M1 Garand 7.62 mm (Rifle Grenade) • M16A1 5.56 mm (M203§, XM148, E1) • M63A 5.56 mm • Type 56 7.62 mm*
Squad automatic weapons M1918A2 7.62 mm • M63A LMG 5.56 mm (Commando) • RPD 7.62 mm (El Cid)
Machineguns M60 7.62 mm (Shorty)
Designated marksman rifles M14 7.62 mm (A1, Shorty§)
Sniper rifles M40 7.62 mm • XM21 7.62 mm
Grenade launchers M79 (Sawn-off)
Launchers B40 • M127 Flare Launcher • M72 LAW§
Static BGM-71 TOW • L/70 Mk2 • M2 Mortar • M2HB • M29 Mortar • M40A1 Recoilless Rifle • M45 Quadmount • M60 • M101 Howitzer • M1919A4 (M1919A6) • Mk18 Mod 0
(Parenthesis) denote variants.
* denotes weapons also used or are exclusive to the CIA sub-faction.
§ denotes weapons also used or are exclusive to the MEDT sub-faction.
Community content is available under CC-BY-SA unless otherwise noted.