Sig Sauer SIG MPX Carbine 14.5” 9mm Semi-Automatic PCC Rifle & Box
SOLD FOR: $1,475.00
LSB#: WY250418ML037
Make: Sig Sauer
Model: MPX
Serial Number: 62B040138
Year of Manufacture: Modern
Caliber: 9mm, Multi-Cal.
Action Type: Semi-Automatic, Blowback Operated
Markings: The left side of the receiver is marked “SIG / SIG MPX / MULTI-CAL”, “SIG SAUER INC. / EXETER-NH-USA / 62B040138” with bullet pictograms for the selection options. The left side of the upper is marked “SIG MPX”. The right side of the receiver is marked with bullet pictograms as well for the selection options. The right side of the magwell is marked with Square Forge Mark.
Barrel Length: 14.5”. 16” with fixed flash hider
Sights / Optics: The top of this rifle is a full length uninterrupted picatinny rail for optic options. The rail is mounted with a set of flip up back up sights. The front sight is an adjustable post and the rear sight is an adjustable dual aperture sight. The rail is mounted with a Trijicon RMR Type 2 Red Dot Sight (Needs Batteries).
Stock Configuration & Condition: The buttstock is a collapsible wire stock with ambi QD cups and rubber buttpad (the adjustment has been disabled for compliant purposes but may be restored). The handguard is a 14” KeyMod rail. There are 2” picatinny rails mounted to each side of the handguard and a hand stop on the bottom position. The top rail is mounted with a left canted QD cup. The LOP measures 12.25” from the front of the trigger to the rear of the buttpad at its full extension. The base of the buttstock at the rear has a sling ring. The stocks rate in about Excellent overall condition with only some light handling wear. There are no chips or cracks. The texturing on the grip is crisp. The charging handle, safety, and bolt release are ambidextrous. The magazine release has been replaced with a “bullet button”.
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 rifle retains about 99% of its metal finish. The balance of the finish shows little to no operational or handling wear. The screw heads are sharp and the markings are clear. Overall, this rifle rates in about Excellent 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. The collapsible stock has been fixed and the mag release has been replaced with a bullet button for compliance.
Box, Paperwork & Accessories: This rifle comes with its factory box, owner’s manual, total of 3 magazines in Excellent condition with a mag pouch, Nylon Sling, chamber lock & keys, and Sig Gun Oil packet.
Our Assessment: The Sig Sauer MPX Carbine is a premier pistol-caliber carbine designed with the modularity and ergonomics of an AR-15 but optimized for the 9mm platform. This blowback-operated semi-auto rifle offers fast, soft shooting with excellent controllability, making it ideal for competition, home defense, or tactical training. With a monolithic upper and full-length picatinny rail, the MPX is highly adaptable to optics, lights, and accessories. This model features a 14.5” barrel with a permanently attached flash hider bringing it to a compliant 16” length, as well as ambidextrous controls and a KeyMod handguard for further customization.
This example comes loaded with extras—Trijicon RMR Type 2 red dot sight, flip-up BUIS, three magazines with a mag pouch, a fixed (compliant) collapsible stock, and a bullet-button mag release setup. The bore is pristine, and the overall finish is near-flawless, showing minimal signs of use. Whether you’re looking for a high-end PCC for dynamic shooting or a compact, reliable 9mm platform that integrates seamlessly with AR-style controls, the Sig MPX stands out as one of the most refined and field-proven designs available today. Please see our photos and good luck on your bid! – L.S.
