Sig Sauer MCX Rattler LT Pistol 5.56 NATO 7.75in 30rd

The Sig Sauer MCX Rattler LT is a compact AR-style pistol designed for modularity and close-range utility. Chambered for .223 Rem / 5.56 NATO, this configuration ships with a 30-round magazine, M-LOK handguard, SIG QD SR flash hider and a folding pistol brace. The platform offers features aimed at suppressed and unsuppressed operation, including an adjustable gas piston and a flat-blade trigger for consistent trigger feel. The package is finished in black on an aluminum alloy receiver and is built for users who value compact handling and modular accessory compatibility.

Key Specifications

• The caliber is .223 Rem / 5.56 NATO.
• The barrel length is listed as 7.75 inches on the product record.
• The action is Semi-Auto.
• The standard capacity is 30 rounds.
• The package includes 1 × 30‑Round removable magazine.
• The handguard features M-LOK attachment points for accessories.
• The muzzle device is a SIG QD SR flash hider.
• The optic footprint is PICATINNY.
• The stock type is a folding pistol brace.
• The frame material and finish are aluminum with a black finish.

The MCX Rattler LT brings compact performance and modular flexibility in a purpose-built AR pistol format. Its short overall length and M-LOK compatibility make it straightforward to configure for range use, close-quarters training, or duty-style applications, while the adjustable gas piston and SIG QD SR flash hider support suppressed and unsuppressed operation. Built on a robust aluminum receiver and supplied with a 30-round magazine, this MCX configuration emphasizes practical functionality and accessory adaptability.

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