The Radical Firearms RF-15 is an AR-pattern pistol chambered in 5.56 NATO with a 7.5-inch barrel. It ships with a 30-round magazine, M-LOK handguard, and a Magpul BTR pistol brace. The 7.5-inch short-barreled configuration; transfer requires additional federal paperwork if configured as a rifle. 
 

Key Specifications 

• Brand: Radical Firearms 
• Model: RF-15 
• Caliber: 5.56 NATO 
• Action: Semi Auto 
• Barrel Length: 7.5 in 
• Capacity: 30 rounds 
• Color/Finish: Black 
   

Detailed Features 

• 7.5-inch barrel in a pistol configuration with Magpul BTR brace 
• M-LOK handguard for accessory attachment 
• 30-round magazine included 
• AR-15-pattern lower and upper receiver 
• Semi-automatic operation

Owners of the RF-15 in 7.5-inch pistol form generally appreciate Radical Firearms' price-to-quality ratio, calling it a reliable budget-tier AR pistol that cycles standard 5.56 loads without drama. The M-LOK handguard and BTR brace combo draws positive comments for being a complete, ready-to-run package rather than a stripped build.

Ergonomics split the room a bit. Some owners find the pistol grip and brace setup comfortable for range use, while others swap the brace quickly for aftermarket options. The short 7.5-inch barrel produces noticeable concussion indoors, which is a common complaint in enclosed ranges.

Value is the RF-15's strongest selling point. At its price point, most owners accept minor fit-and-finish inconsistencies and see the Radical Firearms platform as a solid foundation for further upgrades rather than a finished product.