Wise Arms WA-15B .300 AAC Blackout 10.5-inch SBA3

About this product

The Wise Arms WA-15B is a compact semi-automatic platform chambered in .300 AAC Blackout. Its 10.5-inch threaded barrel and SBA3 pistol brace create a short, maneuverable package suited to short-range shooting and tight-range training. The rifle features a billet aluminum receiver and a 7-inch M-LOK handguard for straightforward accessory mounting. The ODG Cerakote finish provides corrosion resistance without adding unnecessary weight.

Key Specifications

• Chambered in .300 AAC Blackout for compatibility with popular subsonic and supersonic loads.
• The barrel measures 10.5 inches and is threaded 1/2×28 for muzzle devices or suppressors.
• Operates as a Semi-Auto action for standard semi-automatic function.
• Magazine capacity is 30 + 1 when used with the included magazine.
• The barrel twist rate is 1-in-8 for stabilized projectile performance.
• Finished in ODG Cerakote for durable, matte protection.
• Includes a 7-inch M-LOK handguard for modular accessory placement.
• Equipped with an SBA3 pistol brace to improve control in a compact package.
• Features a billet aluminum receiver for a robust platform.
• The NFA thread pattern is 1/2×28 to accept common muzzle attachments.

This WA-15B delivers a compact, no-nonsense configuration for shooters who prioritize maneuverability and modularity in a short-barrel platform. Between the threaded barrel, M-LOK handguard, and SBA3 brace, the build supports a wide range of accessories and setups while maintaining a purposeful, workmanlike profile.