Description
The New MCX-SPEAR LT IR 762×39 16″ RIFLE is Sig Sauer’s latest evolution of the battle-proven MCX platform. This model features a durable hard-coat anodized aluminum receiver and is chambered in the potent 7.62x39mm cartridge. It stands out with its integrated infrared aiming laser system and a 16-inch cold hammer-forged barrel, offering enhanced capability and direct compatibility with a wide range of MCX aftermarket components.
Key Features
- Factory-integrated infrared aiming laser for low-light/IR capability.
- Chambered in 7.62x39mm with a 16″ cold hammer-forged barrel.
- Patented gas piston operating system for reliable, clean performance.
- Hard-coat anodized 7075-T6 aluminum upper and lower receiver.
- Folding, adjustable SIG minimalist stock and M-LOK handguard.
Specifications
| Caliber / Type | 7.62x39mm Semi-Automatic Rifle |
|---|---|
| Material | 7075-T6 Aluminum / Steel |
| Finish | Hard-Coat Anodized |
| Compatibility | MCX-SPEAR LT platform parts & accessories |
| Weight | Approx. 7.5 lbs (unloaded) |
The 7.62x39mm chambering provides significant ballistic advantage over intermediate cartridges, with superior barrier penetration and energy transfer. Sig Sauer’s short-stroke piston system is engineered to handle the cartridge’s pressure curve reliably, reducing fouling in the receiver. This design ensures consistent function with both steel-case and brass ammunition, making it a robust platform for demanding use.
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