XM177 OEG - Revision history

Skizmophonic at 23:05, 24 February 2026

2026-02-24T23:05:53Z

← Older revision		Revision as of 23:05, 24 February 2026
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	\|FN\|\|5.56×45mm\|\|[[United States Of America]]\|\|1970\|\|ARM\|\| in ( mm)\|\| in ( mm)\|\|weapon_xm177_oeg		\|FN\|\|5.56×45mm\|\|[[United States Of America]]\|\|1970\|\|ARM\|\| in ( mm)\|\| in ( mm)\|\|weapon_xm177_oeg
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	~~=HISTORY=~~		'''XM177E2''' is a compact U.S. 5.56×45mm carbine in the AR-15/M16 family, built for close-quarters handling and carried with standard M16-pattern magazines. Compared to the [[M16A1]], it uses a shorter barrel and a distinctive extended flash moderator, along with a telescoping stock. It is best known for Vietnam-era special operations use and for the characteristic “Commando” profile that influenced later U.S. carbines.
	~~The Colt Commando was not initially part of~~ the ~~[[CAR~~-15~~]] Military Weapons System~~, ~~but was added in 1966 in response to the US military's desire~~ for ~~a shorter~~ M16 ~~and without~~ the [[~~Model 607~~]] ~~SMG's inadequacies. Colt engineer Rob Roy designed~~ a ~~simpler two-position telescoping tubular aluminum buttstock to replace the complicated extending triangular version. The fragile~~ and ~~ad hoc triangular handguards were replaced by reinforced round handguards. Each half of the round handguard is identical, simplifying logistics by not requiring~~ a ~~top/bottom or left/right pair. The Model 609 Commando has a forward assist~~, ~~while the Model 610 Commando does not. A Model 610B~~ with a ~~four~~-~~position selector was available, but not used by~~ the U.S. ~~military. All versions are equipped with the 4.25-inch (108 mm) long moderator~~.

	~~The XM177 uses~~ a ~~unique flash suppressor sometimes called a flash or sound moderator for its 10~~-~~inch (250 mm) barrel~~. ~~This device is 4.2 inches (110 mm) long and was~~ designed ~~primarily as~~ a ~~counterbalance measure as the shorter barrel makes~~ the ~~weapon unwieldy~~. ~~This~~ device ~~reduces~~ flash ~~signature greatly~~ and ~~sound signature~~ slightly~~, making~~ the ~~normally louder short barreled carbine sound like~~ a ~~longer barreled [[M16A1]]. Although it has no internal baffles and does not completely reduce~~ the ~~sound signature to subsonic levels, because it alters the sound level of the weapon, the US Bureau of Alcohol Tobacco Firearms and Explosives has declared~~ this ~~muzzle~~ device ~~to be~~ a ~~sound suppressor and regulates its civilian purchase~~ in the United States.		==HISTORY==
			Colt developed the CAR-15 “Commando” series in the mid-1960s in response to U.S. military demand for a shorter M16-type weapon without the shortcomings of earlier compact AR-15 experiments. Colt engineer Rob Roy designed a simpler two-position telescoping aluminum stock to replace earlier, more complex designs, and the fragile early handguards were replaced by reinforced round handguards whose identical halves simplified parts logistics. Early Commandos existed in versions with and without a forward assist, and all were fitted with a long “moderator” muzzle device designed to reduce flash and slightly soften the report while also acting as a counterbalance on the very short barrel; this distinctive device later became a point of legal classification in the United States.

	The ~~Model 610~~ was ~~classified as~~ the ~~XM177 but adopted by~~ the ~~Air Force as~~ the ~~GAU~~-~~5/A Submachine Gun (GA denoting an automatic gun~~ and U a ~~complete unit rather than~~ a ~~parts kit:~~ the ~~popular "gun aircraft unit"~~ and ~~"gun automatic unit" explanations are backronyms)~~. ~~The~~ Army purchased ~~2,815 Model 609 CAR~~-15 Commandos ~~on June 28~~, ~~1966, which~~ were ~~officially designated Submachine Gun, 5~~.~~56 mm~~, ~~XM177E1. As part~~ of ~~the contract~~, ~~Colt was supposed~~ to ~~supply each XM177E1s with seven 30~~-~~round magazines~~, ~~but Colt was unable to build a reliable 30-round curved~~ magazine ~~that would fit in~~ the ~~M16 magazine well, so most XM177E1s were shipped with 20-round magazines. The exception was 5th Special Forces Group, who received a total~~ of ~~four early 30~~-~~round magazines. Colt completed delivery of the purchased XM177E1s in March 1967~~.		The XM177E2 was the later Army designation for the improved Commando configuration created after field testing led Colt to lengthen the barrel from 10 inches to 11.5 inches and make related changes, including chrome-plated chambers and a modified moderator with a mounting boss intended to support the Colt [[XM148]] grenade launcher and rifle-grenade attachments. In April 1967 the U.S. Army purchased a limited quantity of these longer-barreled Commandos for specialized Vietnam service, and they were issued notably to MACV-SOG-associated personnel and other users who valued compact weapons for patrols and close-range fighting. Despite its handling advantages, period reporting also noted ongoing tradeoffs typical of early short-barreled carbines—greater blast and noise, reduced effective range and velocity compared to full-length rifles, and continued magazine availability concerns during the era—while production of the CAR-15 Commando line ended around 1970.

	~~In 1967~~, ~~in response to field testing~~, ~~Colt lengthened the Commando~~'~~s barrel from 10 to 11~~.~~5 inches (254 to 292 mm)~~. The ~~increased length reduced noise and muzzle flash~~, ~~and allowed fitting~~ of the ~~Colt [[XM148]] grenade launcher~~. ~~A metal boss was added to the moderator for mounting of the XM148 and rifle grenades~~. ~~The chambers were chrome-plated~~. ~~The Commandos with~~ the ~~longer barrels were called the Model 629 and Model 649~~. ~~The Model 629 Commando has a forward assist; the Model 649 Commando does not~~.		===Sources===
			* Stevens, R. Blake; Ezell, Edward C. ''The Black Rifle: M16 Retrospective''. Collector Grade Publications.
			* Plaster, John L. ''SOG: The Secret Wars of America’s Commandos in Vietnam''. Simon & Schuster.
			* Dockery, Kevin. ''Weapons of the Vietnam War''. Amber Books.
			* Ezell, Edward C. ''Small Arms of the World''. Stackpole Books.

	In April 1967, the Army purchased 510 Model 629 Commandos for use by troops assigned to the Military Assistance Command, Vietnam Studies and Observations Group (MACV-SOG), and designated them XM177E2. Delivery was completed by the end of September 1967. The Air Force adopted a similar model without the forward assist feature as the GAU-5A/A. Sources debate whether or not this was a Colt Model 630 or Model 649. According to John Plaster and other sources, the lack of 30-round magazines continued to be problematic and SOG operators resorted to pooling their personal resources and purchasing the larger capacity magazines on the civilian U.S. market. Problems with range, accuracy, barrel fouling, and usage of tracer bullets continued to plague the XM177 series, but Colt estimated that it would take a six-month $400,000 program to do a complete ballistic and kinematic study. There were also recommendations for a 29-month $635,000 research and development program. Both recommendations were declined by the U.S. military as American ground force involvement in the Vietnam War was gradually winding down. Production of the CAR-15 Commando ended in 1970.
	~~<br>[https://en.wikipedia.org/wiki/CAR-15 SOURCE]~~
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			<div class="mw-collapsible" style="border:1px solid #ccc; padding:5px; width:100%;">
	<gallery mode="packed" heights="400px">		<div style="text-align:center; font-weight:bold;">Real-Life Photos</div>
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	File:C0hl2llitva41.jpg\|Reproduction		File:C0hl2llitva41.jpg\|Reproduction
	File:Untitled a.jpg		File:Untitled a.jpg\|XM177E2-style carbine.
	File:CAR-15555.jpg		File:CAR-15555.jpg\|XM177-family CAR-15 Commando.
	File:Xm grip 450.jpg		File:Xm grip 450.jpg\|XM177E2 grip and controls detail.
	File:CAR-15 (XM177E1) as tested in 1966.jpg\|CAR-15 (XM177E1) as tested in 1966		File:CAR-15 (XM177E1) as tested in 1966.jpg\|CAR-15 (XM177E1) as tested in 1966
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Skizmophonic at 00:38, 29 September 2025

2025-09-29T00:38:57Z

← Older revision		Revision as of 00:38, 29 September 2025
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	! rowspan=2 \| [[Weapon Script Name]]		! rowspan=2 \| [[Weapon Script Name]]
	\|-		\|-
	\|FN\|\|5.56×45mm\|\|[[United States Of America]]\|\|D8\|\|ARM\|\| in ( mm)\|\| in ( mm)\|\|weapon_xm177_oeg		\|FN\|\|5.56×45mm\|\|[[United States Of America]]\|\|1970\|\|ARM\|\| in ( mm)\|\| in ( mm)\|\|weapon_xm177_oeg
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Skizmophonic at 02:37, 3 September 2025

2025-09-03T02:37:01Z

← Older revision		Revision as of 02:37, 3 September 2025
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	! rowspan=2 \| [[Ammo]]		! rowspan=2 \| [[Ammo]]
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	\|[[File:Flag_us_new.png\|50px]] <br><strong>[[US]]</strong>\|\| [[File:~~weapon_XM177_OEG~~.png\|512px]]<br><b> [[XM177 OEG]]</b> \|\| [[File:~~weapon_XM177_OEG~~.~~svg~~\|512px]] \|\| [[File:Class_Assault.png\|50px]] <b>[[Assault]]</b><br>\|\| 20[[+1]]/60		\|[[File:Flag_us_new.png\|50px]] <br><strong>[[US]]</strong>\|\| [[File:Xm177_oeg.png\|512px]]<br><b> [[XM177 OEG]]</b> \|\| [[File:Weapon xm177 oeg.png\|512px]] \|\| [[File:Class_Assault.png\|50px]] <b>[[Assault]]</b><br>\|\| 20[[+1]]/60
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Skizmophonic at 02:32, 3 September 2025

2025-09-03T02:32:26Z

← Older revision		Revision as of 02:32, 3 September 2025
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	<hr>		<hr>
	~~DESCRIPTION GOES HERE~~
	=HISTORY=		=HISTORY=
	~~TEXT GOES HERE~~		The Colt Commando was not initially part of the [[CAR-15]] Military Weapons System, but was added in 1966 in response to the US military's desire for a shorter M16 and without the [[Model 607]] SMG's inadequacies. Colt engineer Rob Roy designed a simpler two-position telescoping tubular aluminum buttstock to replace the complicated extending triangular version. The fragile and ad hoc triangular handguards were replaced by reinforced round handguards. Each half of the round handguard is identical, simplifying logistics by not requiring a top/bottom or left/right pair. The Model 609 Commando has a forward assist, while the Model 610 Commando does not. A Model 610B with a four-position selector was available, but not used by the U.S. military. All versions are equipped with the 4.25-inch (108 mm) long moderator.
	<br>[ SOURCE]
			The XM177 uses a unique flash suppressor sometimes called a flash or sound moderator for its 10-inch (250 mm) barrel. This device is 4.2 inches (110 mm) long and was designed primarily as a counterbalance measure as the shorter barrel makes the weapon unwieldy. This device reduces flash signature greatly and sound signature slightly, making the normally louder short barreled carbine sound like a longer barreled [[M16A1]]. Although it has no internal baffles and does not completely reduce the sound signature to subsonic levels, because it alters the sound level of the weapon, the US Bureau of Alcohol Tobacco Firearms and Explosives has declared this muzzle device to be a sound suppressor and regulates its civilian purchase in the United States.

			The Model 610 was classified as the XM177 but adopted by the Air Force as the GAU-5/A Submachine Gun (GA denoting an automatic gun and U a complete unit rather than a parts kit: the popular "gun aircraft unit" and "gun automatic unit" explanations are backronyms). The Army purchased 2,815 Model 609 CAR-15 Commandos on June 28, 1966, which were officially designated Submachine Gun, 5.56 mm, XM177E1. As part of the contract, Colt was supposed to supply each XM177E1s with seven 30-round magazines, but Colt was unable to build a reliable 30-round curved magazine that would fit in the M16 magazine well, so most XM177E1s were shipped with 20-round magazines. The exception was 5th Special Forces Group, who received a total of four early 30-round magazines. Colt completed delivery of the purchased XM177E1s in March 1967.

			In 1967, in response to field testing, Colt lengthened the Commando's barrel from 10 to 11.5 inches (254 to 292 mm). The increased length reduced noise and muzzle flash, and allowed fitting of the Colt [[XM148]] grenade launcher. A metal boss was added to the moderator for mounting of the XM148 and rifle grenades. The chambers were chrome-plated. The Commandos with the longer barrels were called the Model 629 and Model 649. The Model 629 Commando has a forward assist; the Model 649 Commando does not.

			In April 1967, the Army purchased 510 Model 629 Commandos for use by troops assigned to the Military Assistance Command, Vietnam Studies and Observations Group (MACV-SOG), and designated them XM177E2. Delivery was completed by the end of September 1967. The Air Force adopted a similar model without the forward assist feature as the GAU-5A/A. Sources debate whether or not this was a Colt Model 630 or Model 649. According to John Plaster and other sources, the lack of 30-round magazines continued to be problematic and SOG operators resorted to pooling their personal resources and purchasing the larger capacity magazines on the civilian U.S. market. Problems with range, accuracy, barrel fouling, and usage of tracer bullets continued to plague the XM177 series, but Colt estimated that it would take a six-month $400,000 program to do a complete ballistic and kinematic study. There were also recommendations for a 29-month $635,000 research and development program. Both recommendations were declined by the U.S. military as American ground force involvement in the Vietnam War was gradually winding down. Production of the CAR-15 Commando ended in 1970.
			<br>[https://en.wikipedia.org/wiki/CAR-15 SOURCE]
	<hr>		<hr>


	<gallery mode="packed" heights="400px">		<gallery mode="packed" heights="400px">
	File:		File:C0hl2llitva41.jpg\|Reproduction
			File:Untitled a.jpg
			File:CAR-15555.jpg
			File:Xm grip 450.jpg
			File:CAR-15 (XM177E1) as tested in 1966.jpg\|CAR-15 (XM177E1) as tested in 1966
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Skizmophonic: Created page with "Category:Weapons Category:Weapons of Vietnam {| class="wikitable sortable" style="margin:auto;text-align: center;width:90%" |- ! rowspan=2 style="width:50px" | Factions ! rowspan=2 | Weapon ! rowspan=2 | Icon ! rowspan=2 | Classes ! rowspan=2 | Ammo |- |50px
US|| 512px
XM177 OEG || 512px || [[File:Class_Assault.png|50px]..."

2025-09-03T02:31:39Z

Created page with "Category:Weapons Category:Weapons of Vietnam {| class="wikitable sortable" style="margin:auto;text-align: center;width:90%" |- ! rowspan=2 style="width:50px" | Factions ! rowspan=2 | Weapon ! rowspan=2 | Icon ! rowspan=2 | Classes ! rowspan=2 | Ammo |- |50px US|| 512px XM177 OEG || 512px || [[File:Class_Assault.png|50px]..."

New page

[[Category:Weapons]]
[[Category:Weapons of Vietnam]]
{| class="wikitable sortable" style="margin:auto;text-align: center;width:90%"
|-
! rowspan=2 style="width:50px" | [[Factions]]
! rowspan=2 | [[Weapon]]
! rowspan=2 | Icon
! rowspan=2 | [[Classes]]
! rowspan=2 | [[Ammo]]
|-
|[[File:Flag_us_new.png|50px]] [[US]]|| [[File:weapon_XM177_OEG.png|512px]] [[XM177 OEG]] || [[File:weapon_XM177_OEG.svg|512px]] || [[File:Class_Assault.png|50px]] [[Assault]] || 20[[+1]]/60
|-
|}

{| class="wikitable sortable" style="margin:auto;text-align: center;width:90%"
|-
! rowspan=2 | [[Damage]] Base
! rowspan=2 | [[Headshot]] ×
! rowspan=2 | Chest ×
! rowspan=2 | Stomach ×
! rowspan=2 | Leg ×
! rowspan=2 | Arm ×
! rowspan=2 | [[Bayonet]]
! rowspan=2 | [[Rifle Grenades]]
! colspan=2 | Reload Speed
|-
! Partial!! Empty
|-
|35||×2.5 = 87.5||×1.2 = 42.0||×1.15 = 40.25||×0.8 = 28.0||×0.75 = 26.25
||NO
||NO
|| Seconds|| Seconds
|-
|}

{| class="wikitable sortable" style="margin:auto;text-align: center;width:90%"
|-
! rowspan=2 | [[Designation]]
! rowspan=2 | [[Weapon Type]]
! rowspan=2 | [[Fire Modes]]
! rowspan=2 | [[Fire Rate]]
! rolspan=2 | [[Bullet Spread °]]
! rolspan=2 | [[Range Modifier]]
! rolspan=2 | [[Muzzle Velocity]]
! rolspan=2 | [[Projectile weight]]
! rolspan=2 | [[Weight]]
|-
|[[]]||[[Carbine]]||Auto+Semi||750 RPM||7.77° & 1.62° [[ADS]]||0.935||810 m/s
||12.3 g (189.82 gr)
||2.43 kg (5.36 lbs)
|-
|}

{| class="wikitable sortable" style="margin:auto;text-align: center;width:90%"
|-
! rowspan=2 | Full name
! rowspan=2 | [[Caliber]]
! rowspan=2 | [[Place of Origin]]
! rowspan=2 | [[Date]]
! rowspan=2 | [[Manufacturer]]
! rowspan=2 | Barrel Length
! rowspan=2 | Total Length
! rowspan=2 | [[Weapon Script Name]]
|-
|FN||5.56×45mm||[[United States Of America]]||D8||ARM|| in ( mm)|| in ( mm)||weapon_xm177_oeg
|}

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DESCRIPTION GOES HERE
=HISTORY=
TEXT GOES HERE
 [ SOURCE]
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