The Radical Firearms RF-15 is an AR-pattern pistol chambered in .300 Blackout with an 8.5-inch barrel and a 30+1 round capacity. It has a Blue/Black finish and ships in a pistol configuration. The 8.5-inch barrel is a short-barreled configuration; transfer requires additional federal paperwork. 
 

Key Specifications 

• Brand: Radical Firearms 
• Model: RF-15 
• Caliber: .300 Blackout 
• Action: Semi Auto 
• Capacity: 30+1 
• Barrel Length: 8.5 in 
• Color/Finish: Blue/Black 
   

Detailed Features 

• AR-pattern pistol in .300 Blackout chambering 
• 8.5-inch barrel in a short-barreled pistol configuration (additional federal transfer paperwork required) 
• 30+1 round capacity 
• Blue/Black finish

Owners of the Radical Firearms RF-15 in .300 Blackout generally appreciate the compact 8.5-inch pistol configuration as a capable close-range build. The .300 Blackout chambering draws interest for its suppressor-friendly potential, and the RF-15 platform keeps the cost accessible relative to larger-name AR makers.

Fit and finish get mixed reviews. Some owners note the parts quality is functional but noticeably different from premium-tier AR builders, and the trigger on the RF-15 is a common point of criticism out of the box. Most treat it as a starting point for upgrades rather than a finished product.

For the price bracket, the RF-15 is regarded as a reasonable entry into the .300 Blackout pistol market. Those willing to swap the trigger and add their preferred brace or stock find the platform performs reliably once broken in, though some wish the factory tolerances were tighter.