SOPMOD

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The Special Operations Peculiar MODification (SOPMOD) kit is an accessory system for the M4A1 carbine, CQBR, FN SCAR Mk 16/17, HK416 and other weapons used by United States Special Operations Command (USSOCOM) special forces units, though it is not specific to SOCOM. The kit allows US Special Operations Forces (US SOF) personnel to configure their weapons to individual preferences and customize for different mission requirements.

Contents

The program dates back to September 1989, when the Special Operations Special Technology (SOST) Modular Close Combat Carbine Project was founded. This was the first program to standardize components from the 1970s/1980s era of "duct tape and hose clamps". The Material Need Statement (MNS) was signed in May 1992 and, by September 1993, the Operational Requirements Document (ORD) for the program was validated. Responsibility for the program was then assigned to the Naval Surface Warfare Center Crane Division. [1] [2]

The SOPMOD kit is composed mostly of non-developmental items and commercial off-the-shelf (NDI/COTS) accessories packaged together to support four M4A1 carbines. [1] [3] It allows for the attachment of any Picatinny compatible accessory that fits the length of the weapon.

Block I

SOPMOD Block I SOPMOD 2-2005.jpg
SOPMOD Block I

The original SOPMOD Block I kit included the following:

Only two of following were included per kit:

Only one of the following was included per kit:

Part of the SOPMOD Block I (but not always issued with kits):

If more of the accessories are needed, it is typical for units to "cannibalize" the kits of inactive teams. The documentation for the kit does not require a rewrite if improved replacements for any of the current items can be found. As a result, this content list has changed over time. Several potential additions include the KAC Masterkey Shotgun, the M26 Modular Accessory Shotgun System, and the M320 grenade launcher. [3] Also, various EOTech holographic sights, prominently EOTech 551s and 552s are used on many SOPMOD configured M4s.[ citation needed ]

Block I Phased Replacements

SOPMOD Block I Phased Replacements SOPMOD Block I Phased replacements.png
SOPMOD Block I Phased Replacements

Block II

SOPMOD Block II M4A1 SOPMOD Block II.jpg
SOPMOD Block II

The MDNS (Miniature Day-Night Sight) program included the Block I Phased Replacement components and the Block II components [12]

US Army 75th Rangers using multiple Block II accessories on their rifles at night. Note the Insight WMX 200 light mounted on the rifle of the operator on the right. Kandahar province operation 130210-A-KM292-026.jpg
US Army 75th Rangers using multiple Block II accessories on their rifles at night. Note the Insight WMX 200 light mounted on the rifle of the operator on the right.

References

  1. 1 2 "Special Operations Peculiar Modification (SOPMOD) Kit". GlobalSecurity.org . Archived from the original on 16 April 2022.
  2. 1 2 Taylor, Gus (15 May 2003). "SOPMOD Program Overview". NDIA . Archived from the original on 3 June 2022. Retrieved 3 June 2022.
  3. 1 2 3 Rottman, Gordon L. (2011). The M16. Botley, Oxford, UK: Osprey Publishing. pp. 45–46. ISBN   978-1849086905 . Retrieved 3 June 2022.
  4. ↑ "US Marine Corps Intends To Sole Source Knights Armament Co NT-4 Suppressor". Soldier Systems Daily . 14 July 2020. Archived from the original on 3 September 2020. Retrieved 3 June 2022.
  5. ↑ "5855-01-501-3081 (M952NXM07) Data". Part Target. Archived from the original on 26 June 2022. Retrieved 26 June 2022.
  6. ↑ Taylor IV, Lucius A. "Gus"; Glenn, Eric; Campion, Tucker (17 April 2006). "SOPMOD PROGRAM OVERVIEW For the National Defense Industrial Association Small Arms Symposium" (PDF). Defense Technical Information Center . Archived from the original (PDF) on 13 September 2014. Retrieved 3 June 2022.
  7. 1 2 "MK18 RAIL INTERFACE SYSTEM II, RIS II (FDE)". Daniel Defense . Archived from the original on 22 September 2020. Retrieved 24 June 2022.
  8. 1 2 "M4A1 RAIL INTERFACE SYSTEM II, RIS II (BLACK)". Daniel Defense . Archived from the original on 29 May 2022. Retrieved 24 June 2022.
  9. 1 2 "M4A1 FSP RAIL INTERFACE SYSTEM, RIS II (BLACK)". Daniel Defense . Archived from the original on 29 May 2022. Retrieved 24 June 2022.
  10. 1 2 "Rare Sighting Of A Daniel Defense GL/SSC RIS II". Soldier Systems Daily . 20 October 2016. Archived from the original on 14 May 2021. Retrieved 24 June 2022.
  11. 1 2 "1240-01-540-1186 (TA31ECOS) Data". Part Target. Archived from the original on 10 June 2022. Retrieved 24 June 2022.
  12. 1 2 3 4 5 Taylor IV, Lucius A. "Gus"; Gatewood, Barry (8 May 2007). "USSOCOM SOPMOD - Miniature Day/Night Sight Development Program" (PDF). NDIA . Archived from the original (PDF) on 4 June 2022. Retrieved 4 June 2022.
  13. ↑ Gurwitch, Scott (June 2017). "History of SOPMOD, Part II". SWAT . Archived from the original on 5 June 2022. Retrieved 5 June 2022.
  14. ↑ Pittman v. L-3 Communications EOTech, Inc., 2:16-cv-11051-NGE-EAS (E.D. Mich.22 March 2016),archived from the original on 2020-09-25.
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