SIG Sauer M400 Pro 16" Folding Stock Carbine

The SIG SAUER M400 Pro 5.56mm is a semi-automatic rifle built for shooters who demand reliability in tactical, home defense, and sport shooting applications. This carbine represents the proven M400 platform—trusted by law enforcement and military users worldwide—refined with SIG's Pro-series enhancements. The 16-inch barrel strikes the essential balance between velocity retention, handling speed, and portability, making it equally effective in close-quarters scenarios and mid-range engagements.

Built on a black anodized receiver with a collapsible/folding stock, the M400 Pro delivers ergonomic control and adaptive length-of-pull for shooters in gear or light clothing. The 5.56 NATO/.223 Remington chambering cycles standard military and commercial ammunition with consistent accuracy and minimal felt recoil. A 30+1 capacity magazine feed system provides immediate reload capability—critical in defensive situations—while the modular platform accepts standard AR-pattern accessories, optics mounts, and aftermarket components without modification. The black finish resists corrosion and glare, essential for both tactical and field use.

Law enforcement, military personnel, and serious civilian shooters rely on the M400 Pro for its dependability under stress and ease of field maintenance. The adjustable stock accommodates different body armor configurations, slings, and weapon-mounted accessories without interference. This rifle integrates seamlessly with standard Picatinny rails, magnified optics, and thermal systems, making it a foundation platform for evolving tactical loadouts. Whether for duty carry, home defense, or precision rifle sport, the SIG SAUER M400 Pro delivers the accuracy and handling characteristics proven across demanding operational environments.