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Colt 9mm SMG

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"M635" redirects here. For BMW M6/M635CSi, see BMW E24 § M version.
Colt 9mm SMG
The Colt 9mm SMG
TypeSubmachine gun
Place of originUnited States
Service history
In service1982–present
Used bySee Users
WarsInvasion of Panama[1]
Miami Drug War[2]
Production history
Produced1982–present
Specifications
Mass2.61 kg (5.75 lb) w/o magazine[3]
Length730 mm (28.9 in ) (stock extended)[3] 650 mm (25.6 in) (stock retracted)[3]
Barrel length10.5 in[3]
Cartridge9×19mm Parabellum[3]
Actionblowback, closed bolt[3]
Rate of fire700-1000 round/min[4]
Muzzle velocity396 m/s (1300) ft/s)[4]
Effective firing range100 m[3]
Feed system20- and 32-round detachable box magazine[4]
100-round Beta C-Mag

The Colt 9mm SMG, also known as the Colt Model 635 or Colt M635, is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle.[5]

Design details

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The Colt 9mm SMG is a closed bolt, blowback operated SMG, rather than the conventional direct impingement gas operation of the standard 5.56×45mm M16 type rifle.[6] As a closed bolt weapon, the Colt SMG is inherently more accurate than open bolt weapons such as the Israeli UZI.[7]

The overall aesthetics are identical to most M16 type rifles. Changes include a large plastic brass deflector protruding from the rear quarter of the ejection port, and a correspondingly shorter dust cover. Factory Colt 9mm SMGs are equipped with a 10.5 inch length barrel and have an M16 style upper receiver, which means they feature a fixed carry handle, no forward assist and A1 sights (with 50 and 100 meter settings). The magazine well of the receiver is modified with pinned-in blocks to allow the use of smaller 9 mm magazines. The magazines themselves are a copy of the UZI magazine, modified to fit the Colt and lock the bolt back after the last shot.[8]

Variants

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Further information on Colt 9mm SMG variants: AR-15 variants

Current Colt production models are the R0635 (RO635) which features a Safe/Semi/Full Auto selective fire trigger group and the R0639 (RO639) which features a Safe/Semi/3-round Burst selective fire trigger group. Both are equipped with a 10.5 inch length barrel. The 633 was a modified compact version with a 7 inches (180 mm) barrel, hydraulic buffer and simplified front sight post used by the DEA and the Department of Energy.[9][10]

The most common model is the 635, the latest version of which are simply marked SMG 9mm NATO.[11] Until early 2010s, there are newer variants, R0991(RO991), R0992(RO992) and R6951 are introduced. The R0991 features Safe/Semi/Full Auto selective fire is constructed with Rail Integration System (RIS) picatinny rails on the flat-top receiver as well as around the barrel which allows the easy mounting of ancillary devices, has 10.5" barrel and equipped with a third generation composite buttstock; The R0992 has almost all the same features to the R0991, except the selective fire mode is Safe/Semi/3-round Burst only; The R6951 has almost all the same features of the R0991 and R0992, but doesn't have selective fire and has a 16.1" barrel instead of the 10.5" one.

A suppressed variant known as the "DEA model" exists that uses an integral Knights Armament Company made suppressor covered with an M16A2 handguard.[12]

Users

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  • Colt SMG 635 left side
    Colt SMG 635 left side
  • Colt SMG 635 right side
    Colt SMG 635 right side
  • Colt SMG 635, ML 2 Sight, Colt mount, and a magazine
    Colt SMG 635, ML 2 Sight, Colt mount, and a magazine
  • Colt SMG 635, ML 2 Sight, Colt mount
    Colt SMG 635, ML 2 Sight, Colt mount

See also

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References

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  1. ^ Gordon L. Rottman (1991). Panama 1989–90. Bloomsbury USA. p. 61. ISBN 1855321564.
  2. ^ "War on Drugs". Awesomestories.com. Retrieved 2016-11-07.
  3. ^ a b c d e f g https://web.archive.org/web/20030610171546/http://colt.com/mil/SMG_2.asp Colt Military Catalog
  4. ^ a b c https://web.archive.org/web/20030610090043/http://colt.com/law/SMG.asp Colt Law Enforcement Catalog
  5. ^ "Colt Weapon Systems". 2003-05-18. Archived from the original on 2003-05-18. Retrieved 2016-11-07.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  6. ^ Tarr, James (2013). Standard Catalog of Colt Firearms. Iola, Wisconsin: Krause Publications. p. 237. ISBN 978-1-4402-3747-8. Retrieved 31 August 2016.[permanent dead link‍]
  7. ^ Technical Memorandum 2-79. AIMING POINT DISPLACEMENT FROM FIRING A RIFLE FROM THE OPEN-BOLT POSITION. by Dominick J. Giordano I. February 1979. U.S. Army Human Engineering Laboratory 1, U. S. ARMY HUMAN ENGINEERING LABORATORY, Aberdeen Proving Ground, Maryland 21005
  8. ^ Thompson, Leroy (19 May 2016). The M3 "Grease Gun". Bloomsbury Publishing. pp. 141–142. ISBN 978-1-4728-1109-7.
  9. ^ Peterson, Philip (2011). Standard Catalog of Military Firearms: The Collector's Price and Reference Guide. Iola, Wisconsin: F+W Media. p. 387. ISBN 978-1-4402-2881-0.[permanent dead link‍]
  10. ^ Sweeney, Patrick (18 January 2016). Gun Digest Book of Suppressors. Iola, Wisconsin: F+W Media, Inc. p. 45. ISBN 978-1-4402-4532-9.[permanent dead link‍]
  11. ^ Lewis, Jack (2011). "A Case of Colt Confusion". Assault Weapons. Iola, Wisconsin: Gun Digest Books. pp. 208–210. ISBN 978-1-4402-2400-3.[permanent dead link‍]
  12. ^ "The Colt SMG and Its Many Clones". 5 April 2023.
  13. ^ "Algunas armas utilizadas por el actual Ejército Argentino". Aquellas armas de guerra. 5 November 2012. Retrieved 15 November 2014.
  14. ^ "Sabitha's day out with latest weapons of Octopus". The New Indian Express. Archived from the original on April 19, 2015. Retrieved 2016-11-07.
  15. ^ "PALSAR Golani operator posing with a Colt 9mm SMG. The weapon is fitted with a sound suppressor and a forward grip". Retrieved 2016-11-21.
  16. ^ "PASKAU Malaysian Special Air Service Weapons". Military Factory. Archived from the original on May 7, 2016. Retrieved April 14, 2016.
  17. ^ "9 Millimeter Submachine Gun NSN 1005-01-575-5656". National Stock Number. Archived from the original on 18 May 2022. Retrieved 18 May 2022.
  18. ^ "Archived copy" (PDF). Archived from the original (PDF) on 2009-01-10. Retrieved 2014-06-11.{{cite web}}: CS1 maint: archived copy as title (link)
  19. ^ "Chuck Taylor's ASAA -THE COLT M635 9mm SUBMACHINE GUN". Archived from the original on 4 March 2016. Retrieved 15 November 2014.

Notes

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  1. ^ R0991 has an NSN 1005-01-575-5656


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