Sig Sauer MPX K 9mm NATO 4.5” Semi-Auto Pistol w/ Mags Taran Tactical

SOLD FOR: $1,625

WOA#: WY240222AS012

Make: Sig Sauer

Model: MPX K

Serial Number: 62B069218

Year of Manufacture: Post 2018

Caliber: 9mm, Multi-Cal.

Action Type:  Semi-Automatic

Markings: Left side of the receiver marked with Sig Sauer logo with “SIG MPX MULTI-CAL.” underneath the logo. The receiver behind the safety selector switch is stamped “SIG SAUER INC. NEWINGTON NH USA 62B069218”.  The left side of the upper is marked “SIG MPX”.   The barrel is marked “9MM NATO”.  The charging handle is marked “RADIAN RAPTOR”.  The right side of the magwell has a Square Forge Mark.

Barrel Length: 4.5”. 5.25” with Birdcage flash hider.

Sights / Optics: There are no sights to this firearm but the top full length Picatinny rail allows for customization.

Stock Configuration & Condition: The grip is a polymer Sig Sauer textured AR-15 grip with storage compartment.  The rear of the receiver has a picatinny rail for brace and stock options. The handguard is a 4.5 M-LOK rail.  The charging handle, safety, mag release, and bolt release are all ambidextrous.   The grip rates in about Excellent overall condition with light handling wear. There is some minor wear on the handguard at the edges of a few of the vents.

Type of Finish: Black

Finish Originality: Original

Bore Condition: The bore is bright and the rifling is sharp. There is no visible erosion in the bore. In this writer’s opinion the bore rates 10/10.

Overall Condition: This handgun retains about 98% of its metal finish. The balance of the finish shows light operation wear with some finish loss around the ejection port and on the picatinny rail from previously mounted optics and braces. There are two notable scrapes or impact marks on the left side of the upper.  The screw heads are sharp and the markings are clear. Overall, this pistol rates in about Very Good Plus condition.

Mechanics: The action functions correctly. We did not fire this handgun. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.

Box, Paperwork & Accessories: One Sig Sauer 35rd magazine with Taran Tactical +11 Base (46rd Magazine). One 35rd Sig magazine.  One 20rd Sig mag with factory  grip textured sides. (Total of 3 magazines).

Our Assessment: The Sig Sauer MPX K is a highly compact and versatile variant of the acclaimed MPX series, specifically designed for close-quarters combat and tactical operations where space constraints and maneuverability are paramount. Chambered in 9mm, the MPX K is celebrated for its exceptional reliability, ergonomic design, and modularity, making it a preferred choice among law enforcement, military operators, and civilian enthusiasts alike.

Featuring a short 4.5-inch barrel and an overall length of just 14.5 inches when equipped with the PDW-style collapsible stock, the MPX K offers unparalleled compactness without compromising performance. Like its MPX counterparts, it utilizes a gas-operated, short-stroke piston system, which ensures consistent performance, reduced recoil, and enhanced durability under diverse and adverse conditions. This system is cleaner and more reliable than traditional direct impingement systems, particularly when subjected to the rigors of heavy use and environmental challenges.

The MPX K’s modularity is a key feature, allowing users to customize and configure the firearm to their specific needs with a variety of accessories, such as optics, lights, and foregrips. The standard Picatinny rail along the top of the receiver and additional mounting options on the handguard facilitate this high level of adaptability. The MPX K also features fully ambidextrous controls, including the safety, magazine release, and bolt release, ensuring ease of use for both right and left-handed shooters.

Overall, the Sig Sauer MPX K stands out as a top-tier subcompact weapon system, blending cutting-edge firearm engineering with tactical flexibility. Its robust construction, combined with advanced firing mechanics and extensive customizability, makes it a formidable tool for a wide range of tactical applications. Please see our photos and good luck on your bid!  – L.S.

Sig Sauer MPX K 9mm NATO 4.5” Semi-Auto Pistol w/ Mags Taran Tactical
Sig Sauer MPX K 9mm NATO 4.5” Semi-Auto Pistol w/ Mags Taran Tactical