Sig Sauer MCX Patrol Cal-X Kit .300 Blackout Black Rifle

Description

Product Overview

The Sig Sauer MCX Patrol Cal-X Kit is a modular semi-automatic rifle built around a gas-operated short-stroke piston system and a 16-inch .300 Blackout barrel. Its monolithic upper receiver and handguard provide a continuous top rail for optics and accessories, while the side-folding stock supports compact transport and storage. The kit also includes an additional barrel and piston components chambered for .223 Remington and 5.56 NATO, allowing the rifle to be configured for multiple cartridges. A threaded .300 Blackout barrel supports suppressor and muzzle-device use, and one 30-round magazine is included.

Key Features

• 16-inch .300 Blackout barrel provides a versatile balance of handling and ballistic performance
• Cal-X Kit includes an additional .223 Remington and 5.56 NATO compatible barrel assembly and piston components
• Gas-operated short-stroke piston system supports reliable operation across demanding conditions
• Monolithic upper receiver and handguard create an extended continuous top rail for optics and accessories
• Side-folding stock allows a more compact configuration for storage and transport
• Threaded barrel supports compatible suppressors and muzzle devices

The Sig Sauer MCX Patrol Cal-X Kit delivers a configurable rifle platform for users who want multi-caliber flexibility and modern accessory compatibility.