MCX RATTLER for Sale
Browse MCX Rattler listings from verified sellers across the U.S. on GunsAmerica.
Quick Look
The MCX Rattler was developed by SIG Sauer for close-quarters missions where compactness is critical. It features a folding stock and short barrel, engineered for agility and suppressed operation. It remains a top-tier choice among PDW-style firearms favored by military, law enforcement, and civilians alike.
Why It's a Top Choice
- Ultra-compact design suited for vehicle or CQB deployment
- Gas-piston system ensures reliability with suppressors
- Fully ambidextrous controls improve handling flexibility
- Compatible with AR-style triggers and accessories
- Cold hammer forged barrel for improved durability
Key Variants
MCX Rattler 5.56
Ideal for those who prefer NATO-caliber performance in a PDW footprint.
MCX Rattler 300 BLK
The most common version, optimized for suppressed shooting with subsonic 300 Blackout ammo.
MCX Rattler Canebrake
Factory-configured for suppressor use, includes a faux suppressor and longer handguard.
Competitor Comparison Table
| Feature | Mcx Rattler | Maxim PDX | Daniel Defense PDW |
|---|---|---|---|
| MSRP | $2,299+ | $2,295 | $1,865 |
| Capacity | 30+1 | 20+1 | 32+1 |
| Weight | 5.1 lbs | 5.5 lbs | 5.7 lbs |
| Optics-Ready | Yes | Yes | Yes |
| Trigger Type | Mil-Spec | Flat | Mil-Spec |
| Notable Pro | Excellent suppressed capability | Short profile with recoil mitigation | Affordable PDW configuration |
| Notable Con | Premium price point | Heavier than competitors | Limited model availability |
Best Use Cases
- Personal defense in restricted spaces
- Law enforcement or military CQB
- Armored vehicle operations
- Suppressor-hosted training or carry
- Collecting modern PDW-class weaponry
FAQs
Can I suppress the MCX Rattler effectively?
Yes, it's optimized for suppressed fire, especially in 300 BLK with subsonic loads.
What is the barrel length of the MCX Rattler?
Its standard barrel is 5.5 inches, designed for compact maneuverability.
How does the Rattler compare to an AR pistol?
It uses a gas-piston system for better suppressed reliability and a folding stock for portability.
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Sig Sauer MCX Rattler 5.56 Pistol (PMCX-
$2,699.99
Sig Sauer MCX Rattler .300 Blackout Pist
$2,699.99
Sig Sauer MCX Rattler LT Pistol PMCX-556
$2,499.99


