$2,100.00

Sig Saur MPX Copperhead K

  • Price Negotiable?: Yes
  • Phone Number: 7024812361
  • Condition: Like New
  • Listing Type: .Individual
  • City: Hurricane
  • State: Utah
  • Zip/Postal Code: 84737
  • Local County (e.g., Summit County): Washington
  • Make/Brand: Sig Saur
  • Model: Copperhead MPX K
  • Caliber: 9mm
  • Terms: Must agree to terms
  • Listed: May 19, 2026 9:59 am
  • Expires: 43 days, 22 hours

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Description

The SIG Sauer MPX Copperhead K is an ultra-compact, gas-piston operated 9mm Personal Defense Weapon (PDW) variant featuring a 4.5-inch threaded barrel and an all-black finish, distinguishing it from the standard 3.5-inch non-threaded coyote tan Copperhead. It utilizes a monolithic upper receiver layout designed for extreme portability and discrete bag carry

Sig MPX Copperhead KSig Romeo5 Red dot 2 MOA 1x20mm M1913 Mounts

4.5” Barrel

Timney Trigger

20 Round Magazine

Sig Extendable Stock/Arm brace

Magpul K2 Grip

fully ambidextrous AR-style controls

*Only Shot 1 box of ammo out of gun

Key Specifications

  • Caliber: 9mm Luger
  • Barrel Length: 4.5 inches (threaded muzzle)
  • Operating System: Short-stroke gas piston
  • Trigger: Factory-installed Timney single-stage trigger
  • Capacity: 20-round or 30-round standard MPX magazines
  • Controls: Fully ambidextrous safety, magazine release, and bolt catch

  

Listing ID: 226a0beccf1a4cd