Wise Arms WA-15B .300 AAC Blackout 7.5″ FDE SBA3

About this product

The Wise Arms WA-15B is a semi-automatic pistol chambered in .300 AAC Blackout featuring a 7.5″ threaded barrel and an SBA3 pistol brace. Built on a billet aluminum receiver with a Flat Dark Earth Cerakote finish, it provides a durable, compact platform for short-barrel 300 BLK applications. A 7″ M-LOK handguard offers accessory mounting options while the 1-in-8″ rate of twist supports common 300 BLK loads. The WA-15B ships with a single 30-round magazine and a canvas carry bag for transport.

Key Specifications

• Chambered in .300 AAC Blackout for compatibility with standard 300 BLK ammunition.
• The barrel measures 7.5″ and is threaded with a 1/2×28 pattern.
• Configured as a Semi-Auto action per manufacturer specification.
• Standard capacity is 30 + 1.
• Built on a Billet Aluminum receiver for rigidity and durability.
• Finished in Flat Dark Earth Cerakote for corrosion resistance and appearance.
• Barrel twist is 1-in-8 to match common 300 BLK projectiles.
• Includes a 1/2×28 NFA thread pattern for muzzle accessories.
• Equipped with an SBA3 Pistol Brace for compact, stabilized handling.
• Includes 1 30 rd. magazine and a canvas carry bag in the package.

Practical and purpose-built, the WA-15B is suited for shooters who prefer a compact, feature-rich 300 BLK pistol platform. Its combination of a threaded short barrel, M-LOK handguard and billet receiver provides accessory flexibility and a robust foundation for a variety of short-barrel 300 BLK uses where a compact form factor and reliable construction are priorities.