Description

The Wise Arms WA-15B .300 Blackout is a semi-automatic AR-style rifle chambered in .300 AAC Blackout. It features a 16-inch threaded barrel with a pistol-length gas system, a flat dark earth (FDE) Cerakote finish, and modular furniture including a free-floating M-LOK handguard and adjustable stock. Built on a billet aluminum receiver with modern ergonomic details, it’s designed for general-purpose shooting, range use, and customization with optics and accessories.

Specifications

• Model: Wise Arms WA-15B
• Caliber: .300 AAC Blackout (.300 BLK)
• Action: Semi-automatic
• Barrel Length: 16″
• Threaded Barrel: Yes — standard 1/2×28 or 5/8×24 thread pattern depending on specific build (AR-15 .300 BLK typically 1/2×28)
• Gas System: Pistol-length gas system (direct impingement)
• Twist Rate: ~1:8″
• Finish: Flat Dark Earth (FDE) Cerakote
• Handguard: ~15″ Free-float M-LOK rail
• Receiver: Billet aluminum
• Stock: Collapsible 6-position A2 style
• Trigger: Includes 3.5 lb. trigger spring kit
• Safety: 2-position thumb safety
• Magazine Capacity: 30 + 1 rounds
• Included Magazines: One 30-round magazine
• Sights: Optic-ready (no iron sights)
• Weight: Approx. 6.4lbs
• Overall Length: ~32″–35″ (adjustable stock)
• Accessories: Canvas carry bag included (varies by package).