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Sig Sauer MPX Carbine for Sale

Founded: 1976

HQ: Switzerland and Germany

The Sig Sauer MPX Carbine is a semi-automatic rifle with a gas-operated short-stroke piston and closed-bolt rotating lock, chambered in 9mm Luger. Its most distinctive trait is a modular, quick-change barrel and handguard system.

Sig Sauer MPX Carbine Auctions

3 active auctions ending soon

Sig Sauer MPX Carbine 9mm 16 SIDE FOLDER, THREADED +2 MAGS

Sig Sauer MPX Carbine 9mm 16 SIDE FOLDER, THREADED +2 MAGS

Sig Sauer MPX Carbine 9-mm RADIAN RAPTOR

Sig Sauer MPX PCC 9mm 16" Short-Stroke Gas Piston +2 MAGS

Sig Sauer MPX PCC 9mm 16" Short-Stroke Gas Piston +2 MAGS

Sig Sauer MPX PCC 9-mm SIDE-FOLDER

Sig Sauer MPX Carbine 9mm 16" Short-Stroke Gas Piston

Sig Sauer MPX Carbine 9mm 16" Short-Stroke Gas Piston

Sig Sauer MPX Carbine 9-mm

Recently Sold

Sig Sauer MPX Competition 9mm 16" +ORIG BOX, TRIJICON MRO

Sold On 08/24/2026

Sig Sauer MPX Competition 9mm 16" +ORIG BOX, TRIJICON MRO

Sig Sauer MPX Competition 9-mm Timney Trigger

Sig Sauer MPX PCC 9mm 16" Short-Stroke Piston +2 MAGS

Sold On 08/21/2026

Sig Sauer MPX PCC 9mm 16" Short-Stroke Piston +2 MAGS

Sig Sauer MPX PCC 9-mm SIDE-FOLDER

Sig Sauer MPX 9mm 3.5" FDE PDW Short-Stroke Piston +4 MAGS

Sold On 08/07/2026

Sig Sauer MPX 9mm 3.5" FDE PDW Short-Stroke Piston +4 MAGS

Sig Sauer MPX 9-mm BRACE

Sig Sauer MPX PCC 9mm 16" Threaded SHORT-STROKE PISTON

Sold On 07/15/2026

Sig Sauer MPX PCC 9mm 16" Threaded SHORT-STROKE PISTON

Sig Sauer MPX PCC 9-mm Factory 3 Port BRAKE

Sig Sauer MPX PCC 9mm 16" Short-Stroke Piston +ORIG BOX

Sold On 07/10/2026

Sig Sauer MPX PCC 9mm 16" Short-Stroke Piston +ORIG BOX

Sig Sauer MPX PCC 9-mm AR AR9 M-LOK

Sig Sauer MPX Carbine PCC 9mm 16" Short-Stroke Gas Piston THREADED +3 MAGS

Sold On 06/12/2026

Sig Sauer MPX Carbine PCC 9mm 16" Short-Stroke Gas Piston THREADED +3 MAGS

Sig Sauer MPX PCC 9-mm FOLDER

Sig Sauer MPX PCC 9mm 16" Short-Stroke Gas Piston +CASE

Sold On 05/29/2026

Sig Sauer MPX PCC 9mm 16" Short-Stroke Gas Piston +CASE

Sig Sauer MPX PCC 9-mm FOLDER

UPGRADES Sig Sauer MPX 9mm 16 M-Lok +3 MAGS, ORIG CASE, TRIJICON MRO

Sold On 05/08/2026

UPGRADES Sig Sauer MPX 9mm 16 M-Lok +3 MAGS, ORIG CASE, TRIJICON MRO

Sig Sauer MPX TTI UNITY MAGNIFIER LANCER HANDGUARD

SBR Sig Sauer MPX 9mm 8" + SUPPRESSOR! , 7 MAGS, HOLSTER & MORE!

Sold On 05/04/2026

SBR Sig Sauer MPX 9mm 8" + SUPPRESSOR! , 7 MAGS, HOLSTER & MORE!

Sig Sauer MPX Two-stamp Package M-Lok

Sig Sauer MPX Carbine 9mm 16" +4 MAGS

Sold On 04/08/2026

Sig Sauer MPX Carbine 9mm 16" +4 MAGS

Sig Sauer MPX Carbine 9-mm PCC

Sig Sauer MPX Carbine 9mm 16" +2 MAGS

Sold On 04/01/2026

Sig Sauer MPX Carbine 9mm 16" +2 MAGS

Sig Sauer MPX Carbine 9-mm

Sig Sauer MPX Carbine 9mm 16" +3 MAGS

Sold On 03/20/2026

Sig Sauer MPX Carbine 9mm 16" +3 MAGS

Sig Sauer MPX 9-mm PCC PDW Competition

Sig Sauer MPX Pistol Gen 2 9mm 8" Suppressor-Ready Gen2 +5 MAGS

Sold On 03/11/2026

Sig Sauer MPX Pistol Gen 2 9mm 8" Suppressor-Ready Gen2 +5 MAGS

Sig Sauer MPX 9-mm Defense Pistol Target Sport

UPGRADED PACKAGE Sig Sauer MPX Taran Tactical Carbine 9mm 16"

Sold On 02/25/2026

UPGRADED PACKAGE Sig Sauer MPX Taran Tactical Carbine 9mm 16"

Sig Sauer MPX Carbine 9-mm TLR-8 A G Green Laser

Sig Sauer MPX PCC 9mm 16" Gas-Piston Tactical Carbine M-LOK +2 MAGS

Sold On 12/29/2025

Sig Sauer MPX PCC 9mm 16" Gas-Piston Tactical Carbine M-LOK +2 MAGS

Sig Sauer MPX PCC 9-mm Folding Defense Competition

Sig Sauer MPX PCC 9mm 16" Gas-Piston Side-Folding +6 MAGS & TIMNEY TRIGGER

Sold On 12/19/2025

Sig Sauer MPX PCC 9mm 16" Gas-Piston Side-Folding +6 MAGS & TIMNEY TRIGGER

Sig Sauer MPX PCC 9-mm M-LOK Tactical Defense

Sig Sauer MPX Gen 2 PCC Competition 9mm 16" Timney Trigger AR-Style +5 MAGS

Sold On 12/01/2025

Sig Sauer MPX Gen 2 PCC Competition 9mm 16" Timney Trigger AR-Style +5 MAGS

Sig Sauer MPX 9-mm AR PCC Duty Defense Tactical

DISCONTINUED Sig Sauer MPX Gen 2 KeyMod PCC 9mm 8" +5 MAGS

Sold On 10/24/2025

DISCONTINUED Sig Sauer MPX Gen 2 KeyMod PCC 9mm 8" +5 MAGS

UPGRADES Sig Sauer MPX 9-mm

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Sig Sauer MPX PCC Gen 2 9mm 16" Lancer M-LOK Timney Trigger +5 MAGS

Sold On 10/13/2025

Sig Sauer MPX PCC Gen 2 9mm 16" Lancer M-LOK Timney Trigger +5 MAGS

Sig Sauer MPX 9-mm John Wick-Style

PDW Sig Sauer MPX PCC 9mm 16" +3 MAGS & ORIG BOX

Sold On 09/22/2025

PDW Sig Sauer MPX PCC 9mm 16" +3 MAGS & ORIG BOX

Sig Sauer MPX PCC 9-mm

Sig Sauer MPX Carbine 9mm 16 +6 MAGS

Sold On 06/27/2025

Sig Sauer MPX Carbine 9mm 16 +6 MAGS

Sig Sauer MPX Carbine

Sig Sauer MPX Carbine 9mm AR-9 AR 16" Sig-Sauer-MPX-Carbine PCC +ORIG BOX

Sold On 04/28/2025

Sig Sauer MPX Carbine 9mm AR-9 AR 16" Sig-Sauer-MPX-Carbine PCC +ORIG BOX

Sig Sauer MPX Carbine Sig-Sauer-MPX-Carbine PCC

Sig Sauer Taran Tactical MPX JW3 9mm Sig-Sauer-MPX TTI-JW3 3MAGS & TRIJICON

Sold On 04/25/2025

Sig Sauer Taran Tactical MPX JW3 9mm Sig-Sauer-MPX TTI-JW3 3MAGS & TRIJICON

Sig Sauer Taran Tactical MPX TTI JW3-MPX +CASE

Sig Sauer MPX Carbine 9mm AR-9 AR9 16" SigSauer-MPX

Sold On 04/04/2025

Sig Sauer MPX Carbine 9mm AR-9 AR9 16" SigSauer-MPX

Sig Sauer MPX Carbine Sig Sauer-MPX AR9 AR-9 AR15

Sig Sauer MPX 9mm 9.4" Sig-Sauer-MPX SUPRESSOR READY +6 MAGS

Sold On 02/07/2025

Sig Sauer MPX 9mm 9.4" Sig-Sauer-MPX SUPRESSOR READY +6 MAGS

Sig Sauer MPX Sig-Sauer-MPX TACTICAL

Sig Sauer MPX PCC 9mm AR-9 AR 16" Sig-Sauer MPX-PCC +TIMNEY TRIGGER

Sold On 01/24/2025

Sig Sauer MPX PCC 9mm AR-9 AR 16" Sig-Sauer MPX-PCC +TIMNEY TRIGGER

Sig Sauer MPX PCC Sig Sauer-MPX-PCC

Sig Sauer MPX 9mm PDW AR-9 AR 4.5" Sig-Sauer-MPX-PDW+2 MAGS

Sold On 12/20/2024

Sig Sauer MPX 9mm PDW AR-9 AR 4.5" Sig-Sauer-MPX-PDW+2 MAGS

Sig Sauer MPX Sig-Sauer-MPX PDW AR-9 AR9

Sig Sauer MPX 9mm 8" Sig-Sauer MPX PDW + 5 MAGS & ORIG CASE

Sold On 10/11/2024

Sig Sauer MPX 9mm 8" Sig-Sauer MPX PDW + 5 MAGS & ORIG CASE

Sig Sauer MPX Sig-Sauer-MPX Pistol PDW

LIKE-NEW Sig Sauer MPX 9mm AR-15 AR15 AR 8" MPX PCC

Sold On 08/09/2024

LIKE-NEW Sig Sauer MPX 9mm AR-15 AR15 AR 8" MPX PCC

Sig Sauer MPX AR-15 AR15 AR Sig Sauer-MPX

Sig Sauer MPX 9mm AR-9 AR Pistol 8" MPX +5 MAGS

Sold On 04/08/2024

Sig Sauer MPX 9mm AR-9 AR Pistol 8" MPX +5 MAGS

Sig Sauer MPX AR-9 Sig Sauer-MPX

Sig Sauer MPX Carbine Key-Mod 9mm AR-9 AR 16" Sig-Sauer-MPX +6 MAGS

Sold On 04/05/2024

Sig Sauer MPX Carbine Key-Mod 9mm AR-9 AR 16" Sig-Sauer-MPX +6 MAGS

Sig Sauer MPX Sig Sauer-MPX

Sig Sauer MPX PCC 9mm 16" Black Hard Coat Anodized MPX PCC +OPTIC

Sold On 03/22/2024

Sig Sauer MPX PCC 9mm 16" Black Hard Coat Anodized MPX PCC +OPTIC

Sig Sauer MPX PCC Sig Sauer-MPX Pistol Carbine

Sig Sauer MPX Carbine 9mm 16" Black Anodized Sig-Sauer MPX ORIG BOX & OPTIC

Sold On 02/22/2024

Sig Sauer MPX Carbine 9mm 16" Black Anodized Sig-Sauer MPX ORIG BOX & OPTIC

Sig Sauer MPX Sig Sauer-MPX +2 MAGS

Sig Sauer MPX PCC 9mm AR-9 AR 16" Black Hard Coat Anodized MPX

Sold On 02/18/2024

Sig Sauer MPX PCC 9mm AR-9 AR 16" Black Hard Coat Anodized MPX

Sig Sauer MPX Sig Sauer-MPX

Sig Sauer MPX PCC 9mm AR-9 AR Black Hard Coat Anodized MPX AR-9-AR +2 MAGS

Sold On 02/01/2024

Sig Sauer MPX PCC 9mm AR-9 AR Black Hard Coat Anodized MPX AR-9-AR +2 MAGS

Sig Sauer MPX PCC Sig Sauer-MPX

Sig Sauer MPX 9mm AR-9 AR 8" Sig-Sauer-MPX PDW +8 MAGS & ORIG BOX

Sold On Invalid Date

Sig Sauer MPX 9mm AR-9 AR 8" Sig-Sauer-MPX PDW +8 MAGS & ORIG BOX

Sig Sauer MPX Sig Sauer-MPX

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