The Sig Sauer Air1 MCX is a spring-operated 6 mm BB replica that brings the styling and ergonomics of the MCX family to a simple, reliable, cock-and-shoot airsoft platform. Designed for backyard plinking, basic training and entry-level airsoft use, the Air1 MCX uses a manual cocking action (no gas, CO2 or batteries), lightweight polymer construction, and a top rail for optics or accessories. Its spring operation makes it low-maintenance and legal-friendly in many areas where powered replicas are restricted, while preserving the look and manual handling characteristics of a tactical carbine. Owner’s manual and warranty informationSmall BB speedloader or loading toolFactory box and foam/packing insertsBasic safety and maintenance leaflet Sig Sauer Airsoft Air1 MCX 6mm Spring Operated 6mm Plastic BB AIR-S1-MCX-S in Black