Skip to content Skip to footer

Sig Sauer MPX 9mm Pistol with KeyMod Rail and Telescoping Stock


Categories: , , , Product ID: 21388


Buy Sig Sauer MPX 9mm Pistol with KeyMod Rail and Telescoping Stock

Product Description

What’s in the Box

  • Sig Sauer MPX 9mm with KeyMod Rail
  • (1) Magazine
  • Cable Lock
  • Owner’s Manual

Sig Sauer MPX 9mm Pistol with KeyMod Rail and Telescoping Stock for sale. Unconventional design, unmatched performance, and familiar AR handling. The SIG MPX redefines the submachine gun category with a new level of operator safety, in-field adaptability and proven reliability in the harshest environments. Completely ambidextrous, the SIG MPX is great for left- or right-handed shooters with its dual-sided selector switch, magazine release, charging handle and bolt release. The SIG MPX operates from a fully-closed and locked rotating bolt, offering enhanced reliability and safety in use. A short-stroke gas piston allows the SIG MPX to run all weights and brands of 9mm ammunition with no adjustments to the gas valve. A full-length picatinny rail allows for solid, consistent mounting of optics and targeting lasers. The MPX K PSB features a 4.5″ barrel, telescoping 3-position brace and a short aluminum KeyMod handguard with handstop.

Firearm Features

  • Telescoping 3-Position Pistol Stabilizing Brace
  • Short Aluminum KeyMod Handguard with Handstop
  • Ambidextrous AR-style Controls
  • Model: MPX K PSB
  • Caliber: 9mm Luger
  • Barrel Length: 4.5″
  • Overall Length: 22.5″
  • Twist Rate: 1:10″
  • Forend Type: Alloy
  • Trigger Weight: 5.5-9 lbs
  • Trigger Type: Mil-Spec
  • Stock Type: Telescoping 3-Position Brace
  • Magazine: (1) 30-Round Polymer Magazine
  • Grip Type: Polymer
  • Receiver Finish: Hard Coat Anodized
  • Width: 2.4″
  • Height: 8″
  • Threads: M1.5x1mm
  • Accessory Rail: KeyMod
  • Operating System: Gas Pistol
  • Weight: 6.2 lbs.
Ready to get started?

Helping people build a private arsenal



9mm Handguns


AR Pistols

AK Pistols

9mm Firearms

Bolt-action Rifles Lever-action Rifles Shotguns Semi-auto Shotguns Over/under Shotguns Pump-action Shotguns
Shooting Rifles

AK-47 Rifles

AR-10 Rifles

AR-15 Rifles

.22 Long Rifles




Handgun Magazines

Long Gun Magazines

AK-47 Magazines

AR-15 Magazines

AR-10 Magazines

ThemeRex © 2024. All Rights Reserved.