The Sig Sauer MCX Rattler LT SBR is a compact, modular short-barreled rifle offered in .300 AAC Blackout. It combines a lightweight aluminum platform and M-LOK handguard with fully ambidextrous controls and short-stroke piston operation for reliable function. The rifle ships with a single 30-round polymer magazine and is configured with a folding stock and a suppressor-ready flash hider. This configuration suits users who prioritize compactness and modularity in a modern centerfire platform.
Key Specifications
- Chambered in .300 AAC Blackout.
- Standard capacity is 30 rounds.
- Magazine included: 1 x 30‑round polymer magazine.
- Action type is Semi-Auto.
- Barrel construction: Cold hammer forged carbon steel.
- Operating system: Short-stroke piston.
- Stock type: Folding.
- Handguard: M-LOK aluminum handguard.
- Controls: Fully ambidextrous controls.
- Weight: approximately 5.8 lbs.
The MCX Rattler LT SBR delivers a compact, adaptable platform designed for modular swapping of components and straightforward maintenance. With its ambidextrous ergonomics, M-LOK compatibility and a suppressor-ready muzzle device, it is well suited to users seeking a highly portable, configurable rifle platform.
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