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

The Wise Arms WA-15B .300 Blackout 10.5" rifle is a purpose-built platform engineered for suppressed fire, close-quarters defense, and specialized tactical applications where compact size and subsonic ballistics are operational requirements. This short-barreled rifle (SBR) combines the proven AR-15 ergonomic foundation with the .300 Blackout cartridge—a round specifically developed for law enforcement and military use in noise-restricted environments. Whether deployed for home defense, vehicle-mounted operations, or precision support roles, the WA-15B delivers controlled, subsonic performance without sacrificing reliability or accuracy.

The 10.5-inch barrel length optimizes dwell time for both subsonic and supersonic .300 Blackout ammunition, ensuring consistent bolt carrier cycling and reduced action noise signature when suppressed. The SBA3 stabilizing brace (as designated in the MPN) provides a secure cheek weld and recoil management equivalent to a collapsible stock, enabling one-handed support and enhanced weapon control during tactical movement. A Tungsten (TUNG) finish indicates enhanced corrosion resistance and durability in harsh environments—critical for duty weapons exposed to moisture, salt air, or extended storage. The overall length of 26.5 inches when configured with the SBA3 brace keeps the rifle maneuverable in vehicles, buildings, and tactical environments while maintaining sight radius and accessory mounting capability.

The Wise Arms WA-15B serves operators, law enforcement agencies, and civilian shooters requiring a short, maneuverable, and hearing-safe platform for suppressed shooting. The compact form factor and modular AR-15 interface ensure compatibility with standard tactical accessories, Picatinny optic mounts, rail systems, and vertical grips. Installation of a sound suppressor (24x1.5mm or equivalent threading, confirmed by the 10.5-inch barrel specification) will suppress report to hearing-safe levels when paired with subsonic ammunition—a decisive advantage in training scenarios and operations where noise discipline is mission-critical. Buyers should verify local and federal short-barrel rifle regulations, as SBR ownership requires proper registration and compliance with the National Firearms Act in the United States.