SIG MCX RATTLER for Sale

Quick Look

The SIG MCX Rattler was developed by SIG Sauer as a compact, mission-driven personal defense weapon. Designed to deliver rifle-caliber performance in an ultra-short platform, it excels in suppressed and close-quarters applications. Its adaptability and elite-tier performance have made it a sought-after firearm among professionals and civilians alike.

Why It's a Top Choice

• Chambered in .300 BLK for optimized subsonic performance
• Ultra-compact barrel for discreet carry and tight maneuvering
• Fully ambidextrous controls for tactical versatility
• Pistol and SBR configurations available
• Compatible with suppressors and folding stocks

Key Variants

Sig MCX Rattler Canebrake

Purpose-built for suppressed use with built-in faux suppressor for training and balance.

Sig MCX Rattler 5.5"

5.5-inch barrel SBR ideal for close-quarters duties and vehicle operations.

Sig MCX Rattler Pistol

Pistol configuration without stock, offering compact legality for civilian ownership.

Competitor Comparison Table

Best Use Cases

• Special operations and tactical response
• Suppressed close-quarters defense
• Concealable vehicle deployment
• Firearm collections with military pedigree
• Urban or home defense use

FAQs

What is the barrel length of the SIG MCX Rattler?

The standard MCX Rattler features a 5.5-inch barrel optimized for .300 Blackout and suppressed use.

Can I convert the Rattler into a short-barreled rifle?

Yes, with proper ATF registration, the pistol version can be fitted with a stock to become an SBR.

How does the Rattler perform suppressed?

Its dual-position gas piston system is tuned for optimal reliability with suppressed fire, especially with subsonic ammo.