Description
The Real M400-SDI X PISTOL is a premium AR-platform firearm from Sig Sauer, engineered for performance and modularity. It features a high-strength aluminum alloy upper and lower receiver with a durable anodized finish, ensuring reliable operation. This pistol is built around the versatile 5.56 NATO/.223 Remington caliber and is designed for direct compatibility with a wide range of standard AR-15 parts and accessories.
Key Features
- Sig Sauer’s proprietary SDI (Single Stage Drop-In) trigger for a crisp, consistent pull.
- Free-floating M-LOK handguard for superior heat dissipation and accessory mounting.
- Nitride-treated barrel for enhanced corrosion resistance and extended service life.
- SB Tactical pistol stabilizing brace for improved control and maneuverability.
- Ambi controls including a magazine release and safety selector for left or right-handed use.
Specifications
| Caliber / Type | 5.56 NATO / .223 Remington |
|---|---|
| Material | Aluminum Alloy Receiver |
| Finish | Hardcoat Anodized |
| Compatibility | Standard AR-15 Components |
| Weight | Approx. 5.8 lbs |
The M400-SDI X operates on the direct impingement gas system, a proven design for the 5.56 cartridge that balances reliability with manageable recoil. The cold hammer-forged barrel provides exceptional accuracy, while the single-stage trigger offers a clean break ideal for dynamic shooting and close-quarters applications. This configuration delivers a robust platform for training, defense, and recreational use.
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