Armed Assault Wiki

NOTE: This article is about the XM-177E2 carbine featured in ArmA: CWA. For the XM177 and its derivatives in ArmA 3's S.O.G. Prairie Fire Creator DLC, see XM177 (S.O.G.).


« The newer XM-177E2 is a notable improvement over its predecessor the E1, although still hampered by having a loud muzzle blast and a bright muzzle flash. Even with these two faults, however, it is a lightweight, compact, hard-hitting weapon that was used extensively by Special Forces troops throughout the Vietnam War.
Weapon Description[1]
»
The XM-177E2 5.56 mm carbine.
The XM-177E2 5.56 mm carbine.

The XM-177E2 is a 5.56 mm carbine used exclusively by U.S. military forces in ArmA: Cold War Assault.

Overview[]

The XM-177E2 is a gas operated, selective fire carbine that is chambered to fire the 5.56×45 mm NATO round.

It loads from 30-round magazines[CfgWp 6], and can attain a fire rate of up to ~ 857 rounds per minute[CfgWp 7][Formula 1] on semi-auto or 600 RPM[CfgWp 8][Formula 2] on full auto. It has a muzzle velocity of 900 m/s.[CfgWp 9]

A common sight amongst U.S. military vehicle crews and helicopter pilots, the XM-177E2 is essentially a carbine variant of the full-length M16A2 rifle used by regular troops. As with the M16A2, the XM-177E2 also has the ability to launch rifle grenades from its muzzle.[CfgWp 6]

However, unlike the M16A2 the primary difference with the XM-177E2 is that it is capable of firing on full auto as opposed to being restricted to a three-round burst, rendering it far more effective in close quarters.[CfgWp 10]

Its main drawback is its muzzle flash, which is notoriously much larger than that of the M16A2's and can obstruct the shooter's sight when firing, especially under low-light conditions. Unless it is absolutely necessary to do so, firing in short 1-2 round bursts will help to minimise the drawbacks of its excessive flash.

Variants[]

XM-177S[]

« XMS Rifle variant with optics
Weapon Description[2]
»
The XM-177S 5.56 mm carbine.
The XM-177S 5.56 mm carbine.

The XM-177S is simply an XM-177E2 carbine that has been fitted with a reflex sight mounted onto the carryhandle.

Unlike the baseline XM-177E2, it is the exclusive weapon of U.S. black ops teams. The reflex sight makes aiming at distant targets easier since they are offer a (slightly) better field-of-view.[CfgWp 15][CfgWp 16] In all other aspects, it is completely identical to its parent counterpart in every way.

Sights[]

OFP-xm177-ironsight-overview
Ironsights on the XM-177E2's carryhandle are set to a fixed zeroing of 400 metres.[CfgWp 17][CfgWp 18] This cannot be manually adjusted.

OFP-xm177s-ironsight-overview
The reflex sight used by the XM-177S uses a fixed zeroing of 400 metres.[CfgWp 19][CfgWp 20] It is not possible to manually adjust this to a different setting.

Recoil curves[]

Semi-automatic

 
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    title: {
        text: 'riffleSingle'
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        trigger: 'axis',
        axisPointer: {
            type: 'cross',
            label: {
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            data: [0.05, 0.05],
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                show: true,
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            data: [0.04, 0],
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Charts/graphs are not available on mobile. Please switch to desktop mode in order to see them.


Full auto

 
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Charts/graphs are not available on mobile. Please switch to desktop mode in order to see them.


Ammunition[]

OFP-ammunition-30rndxm177
Ammo parameter 5.56 mm NATO (Ball)
Base damage value 9
[CfgAm 1][CfgAm 2]
Spill damage value 2
[CfgAm 3][CfgAm 4]
Muzzle velocity (m/s) 900[CfgWp 9]

For rifle grenades usable with the XM-177E2, refer to its dedicated article here.

Both variants of the XM-177E2 only support loading one type of magazine.[CfgWp 6] It requires at least one[CfgWp 21] free inventory slot to carry:

XM-177E2 Mag.[]

30-round magazine loaded with 5.56 mm ball ammunition.[CfgWp 22][CfgWp 23]

Its bullets have a spill radius of 0.1 metres upon impact.[CfgAm 5][CfgAm 6]

Trivia[]

  • In prior versions of Cold War Assault when it was previously released under its original title as Operation Flashpoint: Cold War Crisis, the XM-177S was not actually available at launch and was only added with Patch 1.30.[2][3]

Gallery[]

Config/script references[]

CfgAmmo

  1. CfgAmmo >> BulletSingleW >> hit
  2. CfgAmmo >> BulletFullAutoW >> hit
  3. CfgAmmo >> BulletSingleW >> indirectHit
  4. CfgAmmo >> BulletFullAutoW >> indirectHit
  5. CfgAmmo >> BulletSingleW >> indirectHitRange
  6. CfgAmmo >> BulletFullAutoW >> indirectHitRange

CfgWeapons

  1. 1.0 1.1 CfgWeapons >> M4 >> count
  2. CfgWeapons >> M4 >> Single >> dispersion
  3. CfgWeapons >> M4 >> FullAuto >> dispersion
  4. CfgWeapons >> M4 >> Single >> recoil
  5. CfgWeapons >> M4 >> FullAuto >> recoil
  6. 6.0 6.1 6.2 CfgWeapons >> M4 >> magazines[] >> {"M4","Mortar"}
  7. CfgWeapons >> M4 >> FullAuto >> reloadTime
  8. CfgWeapons >> M4 >> FullAuto >> reloadTime
  9. 9.0 9.1 CfgWeapons >> M4 >> initSpeed
  10. CfgWeapons >> M4 >> modes[] >> {"Single","FullAuto"}
  11. CfgWeapons >> XMS >> Single >> dispersion
  12. CfgWeapons >> XMS >> FullAuto >> dispersion
  13. CfgWeapons >> XMS >> Single >> recoil
  14. CfgWeapons >> XMS >> FullAuto >> recoil
  15. CfgWeapons >> XMS >> opticsZoomMin
  16. CfgWeapons >> XMS >> opticsZoomMax
  17. CfgWeapons >> M4 >> distanceZoomMin
  18. CfgWeapons >> M4 >> distanceZoomMax
  19. CfgWeapons >> XMS >> distanceZoomMin
  20. CfgWeapons >> XMS >> distanceZoomMax
  21. CfgWeapons >> M4 >> magazineType >> "256"
  22. CfgWeapons >> M4 >> Single >> ammo >> "BulletSingleW"
  23. CfgWeapons >> M4 >> FullAuto >> ammo >> "BulletFullAutoW"

Formulae

  1. 60 / reloadTime = 60 / 0.07
  2. 60 / reloadTime = 60 / 0.1

References[]

  1. Bohemia Interactive a.s., The Codemasters Software Company Limited 2001, XM-177E2 commando, flashpoint1985.com, viewed 5 March 2025, <https://web.archive.org/web/20020803142541/http://www.flashpoint1985.com/gear/west/xm/xm.html>. (archived link)
  2. 2.0 2.1 Bohemia Interactive a.s., The Codemasters Software Company Limited 2001, Operation Flashpoint - Download - GEAR, flashpoint1985.com, viewed 8 June 2024, <http://web.archive.org/web/20020214204218/http://www.flashpoint1985.com/download/gear_weaponp1.html#anchor>. (archived link)
  3. Mcnicoll, J et al. 2006, Operation Flashpoint: Version History, Bohemia Interactive Community Wiki, viewed 3 March 2023, <https://community.bistudio.com/wiki/Operation_Flashpoint:_Version_History#Patch_v1.30>.

External links[]

See also[]

Weapons of comparable role and configuration[]

Weapons of ArmA: Cold War Assault
Handguns 92F 9 mmCZ-75 9 mmGlock 17 9 mmS&W .357Tokarev TT-33 7.62 mm
Submachine guns Ingram .45MP5SD3 9 mmPP-19 Bizon 9 mmSa-61 Scorpion 7.65 mmUZI 9 mm
Shotguns Kozlice
Carbines AK-74 SU 5.45 mmXM-177E2 5.56 mm (XM-177S)
Assault rifles AK-47 7.62 mm (AK-47 GL, AK-47 CZ) • AK-74 5.45 mm (AK-74 GL) • AUG A1 5.56 mmFN-FAL 7.62 mmG3A4 7.62 mmG36 5.56 mmM16A2 5.56 mm (M16A2 GL)
Sniper rifles Hunting Rifle 7.62 mmM21 7.62 mmSVD 7.62 mm
Machineguns M60 7.62 mmPK 7.62 mm
Grenade launchers 6G30MM-1
Launchers 9K32 Strela-2AT-4 SpigotCarl Gustav M2FIM-92 StingerM72 LAWRPG-75NH
Static M2
(Parenthesis) denote variants.
United States - Armoury (ArmA: Cold War Assault)
Handguns 92F 9 mmGlock 17 9 mmS&W .357
Submachine guns MP5SD3 9 mmUZI 9 mm
Carbines XM-177E2 5.56 mm (XM-177S)
Assault rifles AUG A1 5.56 mmG36 5.56 mmM16A2 5.56 mm (M16A2 GL)
Sniper rifles M21 7.62 mm
Machineguns M60 7.62 mm
Grenade launchers MM-1
Launchers Carl Gustav M2FIM-92 StingerM72 LAW
Static M2
(Parenthesis) denote variants.