Description
The SIG SAUER MCX-SPEAR is a next-generation modular rifle system designed for superior performance. Engineered by SIG, it features a durable 7075-T6 aluminum upper receiver with a hard-coat anodized finish for maximum durability. This platform is built around the new .277 SIG FURY cartridge, offering enhanced ballistics and is fully compatible with a wide range of MCX accessories and handguard configurations for ultimate customization.
Key Features
- Chambered in the high-pressure .277 SIG FURY (6.8x51mm) cartridge
- Patented short-stroke gas piston system for reliable operation
- Folding and telescoping SIG MINI stock for compact storage
- Free-floating M-LOK compatible handguard for accessory mounting
- Two-stage match-grade Duplex Trigger for a crisp, clean break
Specifications
| Caliber / Type | .277 SIG FURY / Modular Rifle System |
|---|---|
| Material | 7075-T6 Aluminum Receiver, Steel Barrel |
| Finish | Hard-Coat Anodized |
| Compatibility | SIG MCX Spear LT & Virtus Handguards/Stocks |
| Weight | 8.15 lbs (unloaded) |
The MCX-SPEAR’s engineering centers on the .277 SIG FURY, a hybrid case cartridge designed to operate at 80,000 PSI, delivering flatter trajectories and greater downrange energy than legacy rounds. Its robust gas piston system mitigates fouling, ensuring reliability in demanding conditions. This design is the result of SIG’s Next Generation Squad Weapon program, making it a purpose-built system for advanced performance.
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