New SIG MCX In 300 Blackout

    One of the more appealing guns at the SIG event is the new SIG MCX. The MCX comes in several variants including an SBR,Carbine and pistol. The carbine and SBR have the new skeletonized stock with buffer pad. The pistol uses the next generation pistol stock which folds to the left as does the skeleton stock.

    I was able to shoot the SBR version which in this case was select fire. The recoil was light and typical of an AR type rifle. The controls are all fully ambidextrous. The upper is a the monolithic type with a full length rail with no interruption. The forend rail system is a lightweight keymod with plenty of room for extras. All three versions come with a three prong flash suppressor.

    MCX_9in_SBX_21985-F copy

    All of my shooting was from the 50 yard line and 100 yard line. Firing in semi-auto I was able to hit the 1/4 size steel silhouette ten out of ten times. On full auto firing at the fifty yard target I was able to hit the target seven out of ten times. I’d say that’s pretty controllable. There is some muzzle climb but it’s strictly vertical with no rise to the right as many tend to do on full auto.

    MCX SBR

    MCX SBR

    The optic used is from the new line of SIG optics they have named “Electro-Optics”. This model is a 1×6 power. The reticle on this particular scope had a vertical line with a red horseshoe center. The reticle was very easy to see. In fact this scope surprised me when I learned the tentative MSRP. I was expecting the cost to be at least $1200 or so just from the clarity of the glass and the general build. As it turns out the price will be right at $300. I can promise you at that price and the quality I’m getting one! This new optic line should become available in April. To answer the question that many have asked no this line of optics is nothing like the old SIG Tac scopes. These are quality and will start at $300 to the highest end scope at $1500.

    Carbine with 16 inch barrel

    Carbine with 16 inch barrel

    SIG SAUER® Unveils the Next Evolution in Rifle Technology: The SIG MCXTM
    NEWINGTON, N.H. (January 12, 2015) — SIG SAUER, Inc., continues to set new standards in firearm design, innovation, and performance with the introduction of the SIG MCXTM. Designed from the ground up as a short-barreled, silenced, lightweight rifle-caliber system, the SIG MCX has reset the standard for modularity, sound suppression, and mission capability.
    With the introduction of the SIG MPXTM submachine gun, SIG SAUER raised the bar for performance and modularity in a pistol-caliber platform. The SIG MCX combines that modularity with rifle-caliber power in a compact package, designed for optimum performance with a silencer.
    “We’ve built a team of the best minds in the industry, when it comes to silencer technology, rifle engineering and the .300 Blackout cartridge,” said Jeff Creamer, Executive Director and General Merchandise Manager for SIG SAUER, Inc. “The end result is a technological leap forward in ergonomics, modularity, cartridge performance, and sound reduction.”
    Unlike every other firearm on the market, the SIG MCX was designed from the start for optimum performance with the .300 Blackout cartridge and a silencer. When paired with a SIG SAUER silencer, the outcome is a firearm with superior suppression capability and enhanced reliability with both supersonic and subsonic loads.
    An auto-regulating gas system makes the transition from subsonic to supersonic seamless. In combat situations, the SIG MCX can run supersonic on the silenced setting without damaging the firearm or negatively impacting reliability.
    Sharing a modular design with the SIG MPX, the SIG MCX is a mission-adaptable marvel. Changing between .300 Blackout and 5.56 NATO is as simple as swapping barrels and op rods. Converting to 7.62x39mm simply requires an additional bolt face change. All of this can be performed by the user in the field. Barrel lengths can also be changed, with 16″ and 9″ versions initially available.
    “The SIG MCX can be set up as a silenced personal defense weapon or a primary rifle in almost no time at all,” Creamer said. “The one constant is SIG SAUER reliability and durability.”
    —more—
    PR Contact:
    Allen Forkner Swanson Russell 402.437.6428 [email protected]
    SIG SAUER® Unveils the Next Evolution in Rifle Technology: The SIG MCXTM Page 2
    The SIG MCX features a revolutionary recoil assembly that does not require a buffer tube, allowing for side- folding stocks. A full-length picatinny top rail allows for the mounting of lights or optics. Removable SIG SAUER iron sights come standard.
    The lower receiver offers familiar AR-style controls, with ambidextrous selector and mag release as standard. The SIG MCX upper is compatible with mil-spec AR-15 lowers and, with the use of a SIG MCX Stock Kit, allows consumers to fully upgrade their legacy system.
    Three variants of the SIG MCX will be available to the commercial market; semi-automatic rifle, short-barrel rifle (SBR) and pistol configurations. All will be available in .300 Blackout, 5.56 NATO or 7.62x39mm, with caliber conversions available immediately.
    All SIG MCX models will feature aluminum KeyMod handguards, ambi AR-style controls, an ambi charging handle, and will utilize standard STANAG magazines. Also unique to the SIG MCX is an upper receiver with hardened replaceable wear points, including a cam path wear insert, a feed ramp insert, a removable / replaceable deflector, and charging handle latch point inserts.
    The rifle variant will feature a 16″ cold hammer-forged barrel, while the SBR will come with a 9″ barrel. Both will offer a choice of four stocks: a low profile, side-folding skeletonized stock, a telescoping stock, a tubular side folding stock, or a folding telescopic stock. The pistol variant will feature a 9″ barrel and a side-folding SBX Pistol Stabilizing Brace.
    The SIG MCX rifle carries an MSRP of $1,866, while the SBR variant has an MSRP of $2,058. The pistol with side-folding SBX has an MSRP of $2,132.

    Phil White

    Retired police officer with 30 years of service. Firearms instructor and SRU team member. I still instruct with local agencies. My daily carry pistol is the tried and true 1911. I’m retired as associate editor since December 14th 2017. My replacement is my friend Pete M email: [email protected] you can reach Pete for product reviews etc.


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