Colt 9mm SMG

"M635" redirects here. For BMW M6/M635CSi, see BMW E24 § M version.
Colt 9mm SMG

The Colt 9mm SMG
Type Submachine gun
Place of origin  United States
Service history
Used by See Users
Wars Miami Drug Wars[1]
Production history
Produced 1982–present
Specifications
Weight 2.61 kg (5.75 lb) w/o magazine[2]
Length

730 mm (28.9 in ) (stock extended)[2]

650 mm (25.6 in) (stock retracted)[2]
Barrel length 10.5 in[2]
Cartridge 9×19mm Parabellum[2]
Action blowback, closed bolt[2]
Rate of fire 700-1000 round/min[3]
Muzzle velocity 396 m/s (1300) ft/s)[3]
Effective firing range 100 m[2]
Feed system 20- and 32-round detachable box magazine[3]

The Colt 9mm SMG is a 9×19mm Parabellum submachine gun manufactured by Colt, based on the M16 rifle platform.[4]

Design details

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.[5] As a closed bolt weapon, the Colt SMG is inherently more accurate than open bolt weapons such as the Israeli UZI.[6]

The overall aesthetics are identical to most M16 type rifles. Changes include a large plastic brass deflector mounted toward the rear of the ejection port. 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 using a special adaptor to allow the usage of smaller 9mm magazines. The magazines themselves are a copy of the Israeli UZI SMG magazine, modified to fit the Colt and lock the bolt back after the last shot.[7]

Variants

For more details on Colt 9mm SMG variants, see AR-15 variants.

Current Colt production models are the RO635 which features a Safe/Semi/Full Auto selective fire trigger group and the 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.[8][9]

The most common model is the 635, the latest version of which are simply marked SMG 9mm NATO.[10]

Users

Argentine soldier armed with Colt 9mm SMG

References

  1. ↑ "War on Drugs". Awesomestories.com. Retrieved 2016-11-07.
  2. 1 2 3 4 5 6 7 https://web.archive.org/web/20030610171546/http://colt.com/mil/SMG_2.asp Colt Military Catalog
  3. 1 2 3 https://web.archive.org/web/20030610090043/http://colt.com/law/SMG.asp Colt Law Enforcement Catalog
  4. ↑ "Colt Weapon Systems". Web.archive.org. 2003-05-18. Archived from the original on 2003-05-18. Retrieved 2016-11-07.
  5. ↑ Tarr, James (2013). Standard Catalog of Colt Firearms. Iola, Wisconsin: Krause Publications. p. 237. ISBN 978-1-4402-3747-8. Retrieved 31 August 2016.
  6. ↑ 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
  7. ↑ Thompson, Leroy (19 May 2016). The M3 "Grease Gun". Bloomsbury Publishing. pp. 141–142. ISBN 978-1-4728-1109-7.
  8. ↑ 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.
  9. ↑ Sweeney, Patrick (18 January 2016). Gun Digest Book of Suppressors. Iola, Wisconsin: F+W Media, Inc. p. 45. ISBN 978-1-4402-4532-9.
  10. ↑ Lewis, Jack (2011). "A Case of Colt Confusion". Assault Weapons. Iola, Wisconsin: Gun Digest Books. pp. 208–210. ISBN 1-4402-2400-5.
  11. ↑ "Algunas armas utilizadas por el actual Ejército Argentino". Aquellas armas de guerra. Retrieved 15 November 2014.
  12. ↑ "Dhaka Metropolitan Police SWAT - Overview". bdmilitary. Retrieved 22 February 2009.
  13. ↑ "Sabitha's day out with latest weapons of Octopus". The New Indian Express. Retrieved 2016-11-07.
  14. ↑ "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.
  15. ↑ "PASKAU Malaysian Special Air Service Weapons". Military Factory. Retrieved April 14, 2016.
  16. ↑ "Archived copy" (PDF). Archived from the original (PDF) on 2009-01-10. Retrieved 2014-06-11.
  17. ↑ "Modern Firearms". World.guns.ru. Retrieved 15 November 2014.
  18. ↑ "Chuck Taylor's ASAA -THE COLT M635 9mm SUBMACHINE GUN". Retrieved 15 November 2014.
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