SIG SAUER MPX COPPERHEAD K for Sale
Browse SIG SAUER MPX COPPERHEAD K listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The SIG Sauer MPX Copperhead K is a compact variant of the MPX pistol line introduced in 2017 for close-quarters use. Its design emphasizes modularity and short-barreled performance for tactical and home defense roles. It remains popular among enthusiasts seeking a reliable, compact 9mm pistol caliber carbine with a lightweight footprint.
Why It's a Top Choice
- Short 5.5-inch barrel ideal for maneuverability
- Ambidextrous controls for versatile handling
- Modular trigger group for easy customization
- Folding brace enhances portability and concealment
- Reliable piston-driven blowback system for durability
Key Variants
SIG Sauer MPX Copperhead
The original Copperhead model, featuring a 7-inch barrel suited for tactical flexibility.
SIG Sauer MPX Copperhead K
Compact 5.5-inch barrel version focused on enhanced maneuverability in confined spaces.
Competitor Comparison Table
| Feature | SIG Sauer MPX Copperhead K | CZ Scorpion EVO 3 | KelTec SUB 2000 |
|---|---|---|---|
| MSRP | $1,500 | $1,200 | $700 |
| Capacity/Size | 30+1 rounds, 5.5\" barrel | 30+1 rounds, 7.7\" barrel | 16+1 rounds, 16.1\" barrel |
| Weight | 5.9 lbs | 6.6 lbs | 4.25 lbs |
| Optics-Ready | Yes (Picatinny rail) | Yes (Picatinny rail) | Limited (optional mounts) |
| Trigger Type | Striker-fired | Double-action | Double-action |
| Notable Pro | Compact size, ambidextrous controls | Ergonomic, proven reliability | Foldable design, lightweight |
| Notable Con | Higher price point | Heavier than peers | Smaller magazine capacity |
Best Use Cases
- Home defense requiring compact maneuverability
- Tactical applications and law enforcement backup
- Range training for pistol caliber carbine skills
- Concealed carry under proper legal conditions
- Collection for modern pistol caliber carbines
FAQs
Can I use standard Glock magazines with the SIG Sauer MPX Copperhead K?
No, the MPX platform uses proprietary magazines specifically designed for its pistol caliber carbines, not standard Glock magazines.
What is the barrel length of the SIG Sauer MPX Copperhead K?
The Copperhead K model features a 5.5-inch barrel optimized for close-quarters engagement.
How does the folding brace enhance the MPX Copperhead K’s usability?
The folding brace improves portability and storage while maintaining shooting stability when deployed.
Prefer nearby results? Toggle to search local listings.
SIG Sauer MPX K 9mm Pistol with Folding
$1,999.00
Sig Sauer MPX K (PMPX-4B-9-35)
$2,179.99
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