The Wise Arms WA-15B is an AR-pattern semi-auto pistol chambered in .300 AAC Blackout with a 7.5-inch threaded barrel. It ships with an SBA3 pistol brace and holds 30+1 rounds. The finish is FDE Cerakote. 
 

Key Specifications 

• Brand: Wise Arms 
• Model: WA-15B 
• Caliber: .300 AAC Blackout 
• Action: Semi Auto 
• Capacity: 30+1 
• Barrel Length: 7.5 inches 
• Color/Finish: Flat Dark Earth (FDE) Cerakote 
   

Detailed Features 

• 7.5-inch threaded barrel 
• SBA3 pistol brace included 
• .300 AAC Blackout chambering 
• FDE Cerakote finish 
• 30+1 round capacity

The WA-15B in .300 AAC Blackout gets attention from buyers who want a compact AR pistol that pairs naturally with a suppressor. The 7.5-inch threaded barrel is ready to run subsonic loads without modification, which is the main draw for this configuration over the 5.56 variants.

Handling remarks are similar to other WA-15B variants. The SBA3 brace is functional out of the box, and the FDE Cerakote holds up to handling without notable complaints from range users. Some owners note the pistol runs reliably with both supersonic and subsonic .300 Blackout loads, though a few report needing a buffer or gas adjustment to cycle lighter subsonic rounds consistently.

On the value side, the WA-15B .300 Blackout competes in a crowded segment. Most buyers feel the price is fair for a billet aluminum AR pistol with a threaded barrel and brace included. The trigger is the usual weak point and is frequently the first swap.