Sig Sauer MPX K 9mm Pistol, 4.5" Barrel, Folding Brace, Threaded Muzzle, Ambidextrous Controls, 30+1 - Matte Black
The Sig Sauer MPX K brings the MPX platform into a compact 9mm package with a 4.5" barrel and a short-stroke gas piston system with a closed, rotating bolt. It features a side-folding SIG pistol stabilizing brace on a 1913 rear interface, a continuous MIL-STD-1913 top rail, and a short free-float aluminum handguard with ventilation slots. This example includes both 30- and 20-round magazines, a folding rear sight, the SIG Sauer MPX manual, and a Phase 5 single-point bungee sling, all in excellent overall condition.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This firearm is in great shape. There are minor, superficial scratches and small blemishes on exterior surfaces. The bore is clean and shiny.
What’s Included
- Sig Sauer MPX K 9mm pistol (matte black) with folding rear iron sight installed
- 1x 30-round SIG Sauer MPX-pattern polymer magazine with steel-reinforced feed lips
- 1x 20-round SIG Sauer MPX-pattern polymer magazine with steel-reinforced feed lips
- Phase 5 single-point bungee sling with QD connector
- SIG Sauer MPX manual
The MPX K operates via a short-stroke gas piston with a closed, rotating bolt, delivering smooth cycling in a compact format. The 4.5" barrel is threaded and fitted with an installed multi-port device.
Ambidextrous controls include the safety selector and magazine release, with a left-side bolt catch for efficient handling. A SIG polymer pistol grip and a side-folding SIG pistol stabilizing brace (on a 1913 rear interface, folds left) support fast, adaptable use.
The aluminum receiver and short free-float aluminum handguard feature a matte black finish. A continuous MIL-STD-1913 top rail spans the receiver and handguard for mounting sights and accessories. A folding rear iron sight is installed.
Capacity is 30+1, and this pistol comes with both a 30-round and a 20-round SIG Sauer MPX-pattern polymer magazine with steel-reinforced feed lips. Made in the USA, this MPX K includes the SIG Sauer MPX manual and a Phase 5 single-point bungee sling with QD connector.