SIG RATTLER for Sale

Quick Look

The SIG Rattler was born from a U.S. Special Operations requirement for a compact rifle-caliber platform. Built for maximum portability with a folding stock and short barrel, it offers rifle performance in a subgun-sized package. It's now one of the most sought-after PDW firearms on the civilian and professional markets.

Why It's a Top Choice

• Ultra-compact design for discreet carry or tight environments
• Fires full-power rifle calibers like 5.56 or .300 BLK
• Integrated suppressor-ready barrel options
• Trusted by military and elite law enforcement units
• Full compatibility with AR-based accessories and optics

Key Variants

SIG MCX Rattler

The original compact design, chambered in .300 BLK, ideal for suppressed setups and CQB roles.

SIG MCX Rattler Canebrake

Tailored for suppression, featuring an inert training suppressor and extended handguard for SD configurations.

SIG MCX Rattler 5.56

Offers the same compact form factor with 5.56 NATO performance for users favoring standard calibers.

Competitor Comparison Table

Best Use Cases

• Close-quarters self-defense
• Professional duty or tactical roles
• Suppressed shooting setups
• Training and drills
• Specialized collections

FAQs

What is the SIG Rattler chambered in?

The SIG Rattler comes in .300 Blackout and 5.56 NATO, both designed for short-barrel performance.

Can I own a SIG Rattler as a civilian?

Yes, semi-auto SBR or pistol versions are available, but NFA rules apply for some configurations.

How does the SIG Rattler perform suppressed?

Exceptional with .300 Blackout subsonic ammo; its Canebrake variant is optimized for suppressed use.