Wise Arms Wa-15b .300 Blackout 10.5" Rifle

The Wise Arms WA-15B .300 Blackout 10.5" rifle is a purpose-built platform designed for shooters who demand compact firepower without sacrificing effectiveness in close-to-medium range engagements. This short-barreled rifle excels in confined spaces, vehicle operations, and tactical scenarios where maneuverability is critical—making it a trusted choice for law enforcement tactical units, military support personnel, and professional security operators. The .300 Blackout cartridge was engineered specifically for subsonic performance, allowing for reliable operation with suppressed fire while maintaining superior energy transfer compared to traditional intermediate cartridges in short-barrel configurations.

Built on the proven AR-15 platform, the WA-15B features a 10.5-inch barrel that optimizes velocity and accuracy for the .300 Blackout round while keeping overall length manageable at 26.5 inches when measured end-to-end. The rifle ships with an SBA3 stabilizing brace—a critical component that provides the ergonomic control and shot placement consistency needed in dynamic shooting scenarios, whether deployed with or without suppression. At just 1 pound, this platform delivers a lightweight handling profile that reduces fatigue during extended operations and improves target transition speed without compromising the rigid construction required for reliable semi-automatic operation.

Law enforcement breaching teams, armed security professionals, and civilian tactical shooters will find the Wise Arms WA-15B particularly effective in scenarios demanding rapid target engagement in tight quarters or vehicles. The compact form factor and .300 Blackout chambering make it ideal for paired use with quality sound suppressors, delivering subsonic ballistics that maintain velocity and energy without supersonic crack—essential for reducing collateral noise in sensitive environments. Installation and operation follow standard AR-15 controls and ergonomics, ensuring seamless integration with existing gear and training protocols for operators already familiar with the platform.