Description
The New MCX-SPEAR LT IR 300 BLK 9″ PISTOL is Sig Sauer’s next-generation compact firearm, engineered for modern tactical applications. This piston-operated pistol features a hard-anodized 7075-T6 aluminum upper receiver and a durable nitride-finished 9-inch barrel chambered in 300 BLK. Its integrated folding mechanism and M-LOK handguard offer superior adaptability, maintaining compatibility with standard AR-15 grips and select aftermarket triggers for a customized setup.
Key Features
- Chambered in 300 AAC Blackout, optimized for use with a suppressor.
- Features a 9-inch cold hammer-forged barrel with a nitride corrosion-resistant finish.
- Integral folding stock hinge allows for compact storage and rapid deployment.
- Free-floating M-LOK handguard provides ample accessory mounting real estate.
- Includes a 30-round Magpul PMAG and ambidextrous non-reciprocating charging handle.
Specifications
| Caliber / Type | 300 AAC Blackout / Piston-Operated Pistol |
|---|---|
| Material | 7075-T6 Aluminum Upper, Steel Barrel |
| Finish | Hard-Anodized / Nitride |
| Compatibility | Standard AR-15 Grips, MCX-SPEAR LT Triggers |
| Weight | Approx. 6.2 lbs (unloaded) |
The MCX-SPEAR LT’s short-stroke piston system reduces fouling and heat transfer to the receiver, enhancing reliability. The 300 BLK caliber is ballistically efficient from a 9-inch barrel, delivering terminal performance similar to a 7.62x39mm. This configuration is engineered for close-quarters use, with subsonic ammunition yielding optimal sound suppression when paired with a compatible muzzle device or silencer.
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