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.

MCX RATTLER for Sale