Sig Sauer MCX Rattler LT SBR 5.56 NATO 30rd Black

The Sig Sauer MCX Rattler LT is a compact SBR platform built for modularity and short-range utility. It features fully ambidextrous controls, an adjustable gas piston for suppressed or unsuppressed operation, and a folding minimalist stock for reduced storage length. The configuration includes a single 30‑round magazine and an M‑LOK aluminum handguard for accessory mounting.

Key Specifications

• The caliber is .223 REM / 5.56 NATO.
• The magazine capacity is 30 + 1 rounds.
• The action type is Semi-Auto.
• The listed weight is 6.20 lbs.
• The trigger is a Flat Blade Match design.
• The rate of twist is 1:7.
• The muzzle device is a Sig Flash Hider (QD suppressor-ready style noted in source text).
• The stock is described as Minimalist Plus Folding.
• The handguard style is a M-LOK Aluminum Handguard.

Designed as a highly modular, compact platform, the MCX Rattler LT suits roles that demand reduced length and reliable operation with or without suppression. Its ambidextrous controls and short‑stroke piston system prioritize consistent function and user adaptability, while the M‑LOK handguard and included 30‑round magazine support practical accessory integration and mission-centric configuration.