Replacement 11.5-inch barrel chambered in 5.56×45mm NATO, designed for select SIG Sauer MCX platform configurations. This barrel may be suitable for MCX Virtus builds and certain SIG MCX/SPEAR components, but compatibility can vary by generation, gas system, handguard, and bolt assembly.
Product details:
- Platform: SIG Sauer MCX
- Configuration: Virtus
- Caliber: 5.56×45mm NATO / .223 Remington
- Barrel length: 11.5 inches
- Type: Replacement rifle barrel
- Compatibility: MCX Virtus and select MCX/SIG SPEAR configurations—verify before purchase
- Intended use: Lawful replacement, repair, restoration, or professional installation
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