SIG SAUER MCX-SPEAR LT Rifle – 7.62x39mm, 16″ Barrel, Folding Stock, Coyote Finish, 28-Round
The SIG SAUER MCX-SPEAR LT RMCX-762R-16B-LT is a modern semi-automatic rifle chambered in 7.62x39mm, combining the proven MCX piston-driven operating system with the versatility of the widely available 7.62×39 cartridge. Designed for reliability, modularity, and enhanced ergonomics, the MCX-SPEAR LT features a 16-inch barrel, folding stock, lightweight aluminum construction, and a durable Coyote finish.
The MCX-SPEAR LT platform uses a short-stroke gas piston system with a rotating bolt design, providing a cleaner-running action compared with traditional direct impingement systems. The rifle features a lightweight M-LOK handguard, full-length Picatinny top rail, and fully ambidextrous controls, including ambidextrous bolt catch and magazine controls.
Chambered in 7.62x39mm, this configuration includes a folding stock, Coyote anodized finish, SIG match trigger, and a 28-round magazine. The MCX-SPEAR LT offers a modular rifle design that combines the ergonomics of an AR-style platform with the performance characteristics of the 7.62×39 cartridge.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | SIG SAUER |
| Model | MCX-SPEAR LT |
| Model Number | RMCX-762R-16B-LT |
| Caliber | 7.62x39mm |
| Action | Semi-Automatic |
| Operating System | Short-Stroke Gas Piston |
| Bolt Type | Rotating Locking Bolt |
| Barrel Length | 16 inches |
| Barrel Twist Rate | 1:9.5″ RH |
| Barrel Material | Cold Hammer Forged Steel |
| Finish | Coyote Anodized |
| Receiver Material | Aluminum |
| Handguard | Lightweight Aluminum M-LOK Handguard |
| Stock | Folding Stock |
| Magazine Capacity | 28 Rounds |
| Magazine Type | SIG 7.62×39 AR-Pattern Magazine |
| Trigger | SIG Flatblade Match Trigger |
| Safety | Ambidextrous Safety Selector |
| Controls | Fully Ambidextrous |
| Optics Mount | Full-Length M1913 Picatinny Rail |
| Muzzle Device | SIG QD Suppressor-Ready Flash Hider |
| Overall Length | Approx. 33.75″ Extended |
| Weight | Approx. 7.4 lbs |
Key Features
- Chambered in 7.62x39mm
- Full-length 16-inch barrel
- Advanced MCX-SPEAR LT piston-driven operating system
- Durable Coyote finish
- Folding stock design
- Lightweight aluminum receiver
- Free-floating M-LOK handguard
- Full-length optics rail
- Fully ambidextrous controls
- SIG match trigger system
- Suppressor-ready muzzle device
- 28-round magazine capacity
- Modular MCX platform architecture
The SIG SAUER MCX-SPEAR LT 7.62x39mm 16″ Rifle combines the adaptability of the MCX family with the power and availability of the 7.62×39 cartridge, offering a modern piston-driven rifle platform with premium ergonomics and rugged field capability.
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