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It would be easy for a company like Sig Sauer to simply keep making the same outstanding guns. (Indeed, just satisfying current demand would be more than enough to keep Sig Sauer busy.) Instead, the company seems almost manic with innovation, regularly churning out new products and keeping its growing fan base keenly interested. And that’s equally true for Sig Sauer’s new tactical rifles.

MPX-C
Sig Sauer has completely redesigned the concept of the submachine gun with its new MPX, available to civilians in a semi-auto carbine version, the MPX-C. The rifle comes standard in 9mm but is easily convertible to accommodate .357 SIG or .40 S&W. The controls are simple to master and emulate those of the AR, down to the dustcover over the ejection port. The MPX-C uses a short-stroke gas-operated system to reliably operate with most any kind of ammunition and under rough conditions.

The MPX-C has a modular design for quick barrel and stock changes, a translucent magazine to easily keep track of ammunition expended, ambidextrous controls, and an extended, carbon fiber handguard. The barrel is still only 6.5 inches, denoting its subgun heritage, but includes an odd-looking, permanently attached 9.5-inch muzzle brake to reach the legal 16-inch barrel length. The purpose of this brake becomes apparent when the user purchases a suppressor sleeve (with the proper NFA paperwork) and turns the MPX-C into a suppressed carbine with a fully collapsible stock.

SIG716 DMR
Sig Sauer has taken its 7.62mm NATO, AR-style SIG716 rifle and made it even more accurate in the new “DMR” variant. The SIG716 DMR retains the same reliable short-stroke pushrod operating system and adds an 18-inch, free-floated, suppressor-ready, threaded barrel with an extended quad-rail handguard. Other upgrades include a two-stage, match-grade trigger group, a Magpul UBR stock, a Magpul MIAD grip and Magpul PMags.

SIG556xi
While not yet available at the time of this writing, the SIG556xi promises to deliver many welcome enhancements. This new rifle keeps the classic Swiss folding stock, crisp two-stage trigger and short-stroke gas-piston operating system with an adjustable gas valve for reliable use even when dirty. Sig Sauer has added fully ambidextrous controls, including a magazine release, bolt release and safety selector, as well as a reversible charging handle. The SIG556xi also will accept standard AR magazines for maximum versatility, and the new design makes barrel changes easier.
Flip-up front and rear iron sights are standard, and there is a full length of Picatinny rail on top for optics. The new, slimmer handguards also feature a quad-rail for easy accessorizing.

SIG551-A1 Tactical Precision
The SIG551-A1 Tactical Precision rifle is as close as you can get to an original military-issue Sig Sauer rifle, with the added benefit of a Picatinny rail for easy optics-mounting. This rifle uses the Swiss-style folding polymer stock, the extended Swiss polymer handguard and, when chambered in 5.56mm NATO, the Swiss translucent polymer magazines. The 16-inch barrel features the long Swiss-style flash suppressor and gas-piston, rotating-bolt operation and is topped off with rotary diopter sights. For more information, visit sigsauer.com or call 603-772-2302.

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