Description
The SIG SAUER MCX-SPEAR represents the pinnacle of modular rifle evolution, engineered for the most demanding users. This next-generation platform from SIG features a durable 7075-T6 aluminum upper and lower receiver with a hard-anodized finish for extreme resilience. Its innovative gas piston system and quick-change barrel design provide exceptional reliability and adaptability across multiple calibers and mission profiles, setting a new standard for performance.
Key Features
- Patented short-stroke gas piston system for cleaner, cooler operation.
- Tool-less quick-change barrel system for caliber conversion in minutes.
- Folding, telescoping SIG MINI stock for compact storage and transport.
- Ambidextrous controls including safety selector, magazine release, and bolt catch.
- Full-length M-LOK handguard for direct accessory mounting.
Specifications
| Caliber / Type | .277 FURY / 7.62×51 NATO |
|---|---|
| Material | 7075-T6 Aluminum |
| Finish | Hard-Coat Anodized |
| Compatibility | MCX-SPEAR platform; uses SR-25 pattern magazines. |
| Weight | 8.6 lbs (unloaded) |
The MCX-SPEAR is engineered around the high-pressure .277 FURY cartridge, which utilizes a hybrid steel/brass case to achieve velocities exceeding traditional 7.62 NATO. Its dual-recoil spring system and optimized gas settings manage this increased pressure, ensuring reliable extraction and reduced felt recoil. This design is validated for sustained fire in duty and field applications where durability under stress is non-negotiable.
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