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Military Factory > Infantry Weapons > Colt M4A1 SOPMOD

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Colt M4A1 SOPMOD

The M4A1 SOPMOD is a modified M4A1 carbine with specialized accessories for use by US Special Forces operatives.
By Staff Writer

SOPMOD stands for Special Operation Peculiar MODification and is used by various levels of US Special Forces. The SOPMOD upgrade is nothing more than an accessory system for the standard M4A1 carbine version of the M16A2 automatic rifle. It is primarily used by special forces operatives in the United States Special Operations COMmand (USSOCOM). The Block I release provided the Rail Interface System forearm, a vertical foregrip, a back iron sight, the Model TA01NSN 4x32mm Advanced Combat Optical Gunsight, the ECOS-N optical sight, sling and bracket mountings for the AN/PVS-14 night vision system.

Additionally, the kit was fielded with accessories such as a sound suppressor (silencer), the Model RX-1M4A1 reflex sight, the Visible Light Illuminator and the AN/PEQ-2 Infrared Target Pointer aiming laser system by Insight Technology. Other additional accessories included the AN/PEQ-5 laser, the AN/PVS-17A mini-night vision sight, an M203 grenade launcher mounting, a 9" M203 40mm grenade launcher barrel; the AN/PSQ-18A night sight for the M203 40mm grenade launcher and carrying kit for all accessories.

Last Updated: 6/30/2008

Specifications for the Colt M4A1 SOPMOD

Operation:

Action: Gas-Operated; Rotating Bolt
Cartridge: 5.56x45 NATO
Feed System: 30-round detachable box
Muzzle Velocity: 2,900ft/sec (884m/sec)
Cyclic Rate-of-Fire: 700 rds/min

Dimensions:

Overall Length: 838mm (32.99in)
Barrel Length: 0mm (0.00in)
Empty Weight: 2.7kg (5.95lbs)

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Image Courtesy of the United States Deptartment of Defense.

1993

Designation: Colt M4A1 SOPMOD
Classification Type: Carbine Rifle with Special Forces Modification Kit
Manufacturer: Colt's Manufacturing Company / Knights Armament Company - USA
Country of Origin: United States

Operators: the United States of America

Variants

M4 Carbine - Base M4 automatic rifle based on the longer M16A2.

M4A1 - "Improved" M4 carbine

CQBR (Close Quarters Battle Receiver) - Replacement Upper Receiver for M4A1 series; upgrade similar to Colt Commando.

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