The Radical Firearms RF-15 is an AR-pattern pistol chambered in 5.56 NATO with a 10.5-inch threaded barrel. It ships with a pistol brace and a 30-round magazine. The handguard is M-LOK compatible with a rail section. 
 

Key Specifications 

• Brand: Radical Firearms 
• Model: RF-15 
• Caliber: 5.56 NATO 
• Action: Semi Auto 
• Capacity: 30 rounds 
• Barrel Length: 10.5 inches 
• Color/Finish: Black 
   

Detailed Features 

• 10.5-inch threaded barrel 
• Pistol brace (Magpul BTR or equivalent) 
• M-LOK handguard with rail 
• 30-round magazine included 
• Polymer pistol grip

Owners of the RF-15 tend to treat it as a budget-friendly entry into the AR pistol market. The general consensus is that it runs reliably with decent brass-cased ammunition, which makes it accessible for casual range use without the price tag of more established brands.

The build quality draws a split reaction. Some owners report tight tolerances and clean function out of the box, while others note minor fit issues with furniture or the handguard. The 10.5-inch barrel with brace configuration is practical for handling in tight spaces, and the M-LOK handguard gets good marks for versatility.

The RF-15 is often positioned as a starter pistol or a platform to strip and rebuild with upgraded parts. Owners who go in expecting a budget rifle tend to come away satisfied; those who compare it directly to mid-tier or premium AR pistols are more critical of the finish and trigger quality.