SIG to Supply Suppressed Upper Receiver Group to USSOCOM

sig sauer Suppressed Upper Receiver Group m4a1 rifle marines — A U.S. Marine with the Maritime Raid Force (MRF), 26th Marine Expeditionary Unit (MEU), fires an M4A1 carbine rifle during a live fire range at Naval Base Souda Bay, Crete, Greece, March 16, 2018. The MRF conducted the range to maintain weapons proficiency during deployment.

sig sauer Suppressed Upper Receiver Group m4a1 rifle army — U.S. Army Sgt. 1st Class Joseph Graves fires the M4A1 Carbine at a range during the Army Materiel Command’s Best Warrior Competition July 9-11, 2018, at Camp Atterbury, Indiana. During the three-day competition, Soldiers are tested on basic and advanced warrior tasks and drills, face challenges testing their physical and mental strength.

sig sauer Suppressed Upper Receiver Group m4a1 rifle navy — Seaman Joanna Valdez, from Fontana, California, and assigned to the deck department aboard the San Antonio-class amphibious transport dock ship USS San Diego (LPD 22), fires an M4A1 Carbine during a live-fire training exercise on the ship’s flight deck Nov. 8, 2017. San Diego is deployed with the America Amphibious Ready Group and the 15th Marine Expeditionary Unit to support maritime security and theater security cooperation in efforts in the U.S. 6th Fleet area of operations.

Sig Sauer has inked a deal to supply U.S. Special Operations Command (USSOCOM) with integrally suppressed upper receivers.

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SIG’s Suppressed Upper Receiver Group

This is a five-year contract worth $48 million for the acquisition of what the DoD is calling the “Suppressed Upper Receiver Group.” The suppressed upper will be paired with USSOCOM’s M4A1 rifle. Most of the work will be done at SIG’s Newington, N.H. facility. The estimated completion date is July 2023. Check out the full announcement below:

Sig Sauer Inc., Newington, New Hampshire, was awarded a $48,000,000 five-year, indefinite-delivery/indefinite-quantity, firm-fixed-price contract for the acquisition of the Suppressed Upper Receiver Group (SURG). The SURG weapon is an upgrade of the M4A1 lower receiver group in support of U.S. Special Operations Command (USSOCOM) Procurement Division. Fiscal 2018 procurement funds in the amount of $24,620 are being obligated at the time of award. The majority of the work will be performed in Newington, New Hampshire, and is expected to be completed by July 2023. This contract was awarded through full and open competition. USSOCOM headquarters, MacDill Air Force Base, Florida, is the contracting activity (H92430-18-D-0005).

SIG’s Other Moves

As you can see, the announcement doesn’t specify which upper SIG is supplying to USSOCOM. Earlier this year, the company unveiled the SUR300, an integrally suppressed upper receiver in .300 BLK compatible with the SIG MCX and standard AR-15 lowers. It uses a short-stroke gas piston system, and features a 6.75-inch cold hammer-forged barrel with a permanently attached 19 baffle titanium suppressor; free-float M-LOK handguard; and 2-position gas valve tuned for subsonic and supersonic ammunition. In addition, it comes with SIG’s Matchlite Duo two-stage trigger, as well as an adapter that lets you remove the buffer tube and accept SIG 1913 stocks.

Also earlier this year, USSOCOM ordered 10 SIG MCX PDW kits as it sought to convert its M4A1 carbines into Personal Defense Weapon (PDW) systems.