SIG MPX for Sale
Browse Sig MPX listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG MPX originated as a modern pistol-caliber carbine designed by SIG Sauer, introduced in 2015. It emphasizes modularity and control for close-quarters and tactical use. The MPX remains popular among law enforcement, competitive shooters, and enthusiasts valuing precision and customization.
Why It's a Top Choice
- Short-stroke gas piston ensures reliability under adverse conditions
- Ambidextrous controls suitable for all shooters
- Multiple barrel lengths and calibers available
- Optics-ready upper for easy customization
- Low recoil improves rapid-fire accuracy
Key Variants
SIG MPX PCC
Compact variant ideal for personal defense and competition with its smaller profile and enhanced maneuverability.
SIG MPX SBR
Short-barreled rifle version favored by tactical operators for close quarters and urban environments.
SIG MPX K
Extended barrel model balancing compact size with improved ballistic performance and accuracy.
Competitor Comparison Table
| Feature | Sig Mpx | Cz Scorpion Evo | Beretta Mx4 Storm |
|---|---|---|---|
| MSRP | $1,500–$1,900 | $1,300–$1,700 | $1,200–$1,600 |
| Capacity / Size | 30 rounds, 16-inch barrel | 30 rounds, 16.25-inch barrel | 30 rounds, 16.2-inch barrel |
| Weight | 6.9 lbs | 6.6 lbs | 7.7 lbs |
| Optics-Ready | Yes | Yes | Yes |
| Trigger Type | Single-stage, flat trigger | Double-action | Single-action |
| Notable Pro | Modular design and smooth recoil | Affordable and lightweight | Robust reliability under harsh conditions |
| Notable Con | Higher price point | Less modular options | Heavier weight |
Best Use Cases
- Personal defense and home protection
- Law enforcement and tactical deployments
- Competition shooting and USPSA PCC Division
- Range training and recreational shooting
- Collection for modern pistol-caliber carbines
FAQs
Can I use suppressors with the SIG MPX?
Yes, the SIG MPX features a threaded barrel compatible with most .300 Blackout and 9mm suppressors, enhancing stealth and noise reduction.
What calibers does the SIG MPX support?
Standard configurations chamber the SIG MPX in 9mm, with some variants supporting .357 SIG and .40 S&W calibers.
How does the SIG MPX's gas piston system benefit shooters?
Its short-stroke gas piston reduces fouling and recoil, improving reliability and control compared to direct impingement systems.
Prefer nearby results? Toggle to search local listings.
Sig Sauer MPX 9mm Carbine--Used
$1,599.99
Sig Sauer MPX K (PMPX-4B-9-35)
$2,179.99
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