Description
SIG Sauer MPX K Off Duty 9mm Pistol, 4.5" Barrel, Black, 35-Round, Off-Duty LE Only
The SIG MPX K is SIG’s 9mm piston firearm. The MPX runs a short-stroke piston and AR-style controls on 9mm, with magazines that are SIG’s own MPX pattern.
It does not take Glock, P320, or AR-15 magazines. The top rail is optic-ready. A factory optic is not installed. Pistols ship with SIG’s folding PCB. The SBR uses a stock and needs NFA paperwork.
This configuration
Confirm you are eligible before you order. If you want the commercial MPX K with the Timney trigger and folding PCB, that pistol is listed separately on this page. Off-Duty sales are limited. After those checks, this pistol ships to a licensed FFL. If you want a 4.5 in. MPX with a folding stock, that is the SBR, and it needs NFA paperwork.
What ships
A factory optic is installed only when this page says so. This item ships to a licensed FFL.
Specifications and Included Items
- Model: WPMPX-4B-9-35
- Platform: MPX K Off Duty pistol
- Caliber: 9mm Luger
- Barrel: 4.5 in.
- Operating system: Short-stroke piston, closed rotating bolt
- Finish: Black
- Magazines included: One 35-round MPX magazine
- Sights: Optic-ready rail; no factory optic
- Program: Off-Duty; eligible buyers only
- FFL: Pistol; ships to a licensed FFL dealer
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