Description
The SIG SAUER MCX-SPEAR LT IR 5.56 NATO 16″ is a next-generation tactical rifle built for superior performance. It features a monolithic upper receiver machined from 7075-T6 aluminum with a hard-coat anodized finish for extreme durability. This model is distinguished by its factory-installed infrared aiming laser, offering immediate capability for low-light engagements. The 16-inch cold hammer-forged barrel and fully ambidextrous controls make it a versatile and reliable platform.
Key Features
- Factory-integrated infrared (IR) laser aiming module for enhanced low-light capability.
- Patented short-stroke gas piston system with self-regulating gas valve for reliable cycling.
- Folding, telescoping SIG MINI stock for compact storage and quick deployment.
- Fully ambidextrous safety, magazine release, and bolt catch/release controls.
- Free-floating, M-LOK compatible handguard for direct accessory attachment.
Specifications
| Caliber / Type | 5.56 NATO / Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum Receiver, Steel Barrel |
| Finish | Hard-Coat Anodized |
| Compatibility | Accepts standard AR-15 pattern magazines |
| Weight | Approx. 6.75 lbs (unloaded) |
The MCX-SPEAR LT’s self-regulating gas piston system is engineered to reduce fouling and heat transfer to the bolt carrier group, enhancing reliability across a wide range of 5.56 NATO ammunition. The 16-inch barrel with a 1:7 twist rate stabilizes both light and heavy projectiles effectively. This design, combined with the integrated IR laser, provides a distinct advantage for tactical applications and professional training scenarios requiring versatile engagement tools.
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