The SIG MCX-Spear Rifle Is Finally Here

Gungho Cowboy


The civilian version of the U.S. Army’s new M7 service rifle, which is the result of SIG Sauer winning the Next Generation Squad Weapon (NGSW) program, the SIG MCX-Spear rifle, is finally released and it is available in 3 variants and calibre options. This series of carbines is also distinct from the previously released SIG MCX-Spear LT.

Initially the first batches of the gas operated SIG MCX-Spear will be using the 7.62×51 and 6.5CM rounds. For those who are looking forward to firing the .277 SIG Fury round, which is the 6.8mm x 51mm round that will be used by the M7 rifle, they will have to wait a bit longer but definitely will be released.

SIG MCX-Spear 02

The magazine type used by the rifle is SR-25 with the fore end and grip made of Polymer whilst the receiver is receiver finish is Coyote anodized. It is fully ambidextrous including the bolt catch and bolt release. The barrels are interchangeable, making it ready for calibre conversion, and it has integrated stainless steel QD mounts in the lower receiver for easy, secure attachment of slings.

SIG MCX-Spear 03


SIG MCX-Spear 04

Other features are the 2-position adjustable gas valve for suppressed or unsuppressed use; SIG SAUER SLH and SLX suppressor-ready QD mount flash hider; Matchlite Duo Trigger for a clean, crisp break; and folding 6 position Magpul SL-M stock. The accessory rail uses the M-Lok that is originally designed by Magpul.

Three variants are available, giving customers lengths to choose from: the 16” MCX-Spear, the 13” MCX-Spear SBR, and the 13” MCX-Spear Pistol. The 16” MCX-Spear already has its pricing revealed at US$6,189.99 and can be ordered from authorized SIG Sauer dealers. No pricing is available yet for the 13” SBR and 13” Pistol.

SIG MCX-Spear 05


SIG MCX-Spear 06


SIG MCX-Spear 07

Airsoft players looking for an airsoft replica will have to enquire with SIG Air ProForce, the airsoft arrm of SIG Sauer, if there are plans to release it in the future.

Press release from SIG Sauer below:

SIG SAUER Announces the Commercial Introduction of the MCX-SPEAR Rifle – The Next Generation Has Arrived

NEWINGTON, N.H., (February 28, 2023) – SIG SAUER is pleased to introduce the MCX-SPEAR, the civilian version of the U.S. Army’s new XM7 rifle chosen for the Next Generation Squad Weapons (NGSW) program. The MCX-SPEAR is available in 7.62 NATO and 6.5 Creedmoor and coming soon in 277 SIG Fury.

“The SIG SAUER-MCX family of rifles has become synonymous with innovative engineering and premium quality in a reliable and proven carbine.” said Tom Taylor, Chief Marketing Officer and Executive Vice President, Commercial Sales. “The next generation has arrived with the new MCX-SPEAR, offering enhanced AR-10 capabilities in the MCX platform for the first time on the commercial market.”

The MCX-SPEAR is an adaptable multi-caliber rifle (277 SIG FURY, 6.5 Creedmoor, 7.62 NATO) featuring rear and side non-reciprocating charging handles, a 6-position folding Magpul SL-M stock, integrated stainless steel QD mounts on the lower receiver and handguard, fully ambidextrous fire controls, including safety, bolt-catch, and magazine release, 2-stage Matchlite Duo trigger, 2-position adjustable gas valve, a lightened free-float M-LOK™ handguard with a full-length picatinny rail, and user-interchangeable barrel for easy caliber conversion. The MCX-SPEAR ships with (1) 20-round magazine.


Overall Length: 38.3 in.
Overall Height: 8 in.
Overall Width: 2.5 in.
Barrel Length: 16 in.
Barrel Twist: 1:10 in.
Weight: 9.2 lbs.

Overall Length: 35 in.
Overall Height: 8 in.
Overall Width: 2.5 in.
Barrel Length: 13 in.
Barrel Twist: 1:10 in.
Weight: 8.6 lbs.

Overall Length: 24.5 in.
Overall Height: 8 in.
Overall Width: 2.5 in.
Barrel Length: 13 in.
Barrel Twist: 1:10 in.
Weight: 7.6 lbs.

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