Description
The SIG SAUER MCX-SPEAR 6.8×51 SBR Direct is a factory-configured short-barreled rifle built for the next-generation 6.8x51mm (.277 SIG FURY) cartridge. This model features a monolithic upper receiver machined from 7075-T6 aluminum with a hard-anodized finish, ensuring exceptional durability. It is designed for direct compatibility with the MCX-SPEAR platform, offering a compact, high-energy package from a premier American manufacturer.
Key Features
- Chambered in the high-pressure 6.8x51mm (.277 SIG FURY) cartridge for superior ballistics.
- Factory SBR configuration with a compact barrel for enhanced maneuverability.
- Monolithic upper receiver constructed from 7075-T6 aluminum for maximum strength.
- Features SIG’s advanced short-stroke piston operating system for reliable function.
- Equipped with an ambidextrous fire control group and folding/telescoping stock.
Specifications
| Caliber / Type | 6.8x51mm (.277 SIG FURY) / SBR |
|---|---|
| Material | 7075-T6 Aluminum |
| Finish | Hard-Anodized |
| Compatibility | SIG MCX-SPEAR Platform |
| Weight | Approx. 8.2 lbs |
The 6.8x51mm cartridge operates at a significantly higher pressure (80,000 PSI) than standard rounds, demanding a robust platform. The MCX-SPEAR’s reinforced bolt head, three-lug design, and enhanced gas system are engineered to handle this stress. This SBR configuration delivers the cartridge’s flat trajectory and terminal performance in a compact format suitable for dynamic applications.
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