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

The Wise Arms WA-15B is a compact semi-automatic pistol chambered in .300 AAC Blackout with a 10.5" threaded barrel. Built on a billet aluminum receiver and finished in Tungsten Cerakote, it combines corrosion resistance with a durable, purpose-driven design. Configured with a 7" M-LOK handguard and an SBA3 pistol brace, the platform is suited to compact, short-barrel applications where maneuverability and cartridge versatility are priorities.

Key Specifications

• The firearm is chambered in .300 AAC Blackout.
• The barrel measures 10.5" and features a 1/2×28 thread pattern.
• The action is Semi-Auto.
• The listed capacity is 30 + 1 and it ships with one 30 rd. magazine.
• The receiver is constructed from Billet Aluminum.
• The finish is specified as Tungsten Cerakote.
• It includes a 7" M-LOK Handguard for accessory mounting.
• Equipped with an SBA3 Pistol Brace.
• The rate of twist is 1-in-8.
• The overall length measures 26.5" – 30.5" and the listing indicates No Sights.

Solidly built and compact, the WA-15B delivers a purpose-driven package for shooters who need a short-barrel .300 AAC Blackout platform with high magazine capacity and corrosion-resistant finish. Its billet receiver, threaded barrel, and M-LOK handguard provide a flexible base for optics and accessories, while the SBA3 brace offers a stabilizing interface that keeps the package compact and practical for close-range applications. For users seeking a durable, high-capacity pistol configuration in .300 BLK, the WA-15B presents a straightforward, capable option.