The Radical Firearms RF-15 is a modern sporting rifle chambered in .300 AAC Blackout. The 16-inch barrel is made from 4140 Chrome-Moly Vanadium Steel with a Melonite finish, paired with a 1:8 twist rate that handles a wide range of bullet weights well. Gas is managed by a pistol-length system and low-profile gas block, which keeps recoil manageable. The 15-inch M-Lok thin-rail free-float handguard leaves plenty of real estate for lights, lasers, or a bipod without affecting barrel harmonics. The B5 BRAVO stock adjusts to six positions, so getting a consistent cheek weld isn't a problem across different gear setups. 
 

Key Specifications 

• Barrel Length: 16 inches 
• Caliber: .300 AAC Blackout 
• Capacity: 30 rounds 
• Condition: New in Box 
• Finish Per Color: Coyote / Black 
• Manufacturer: Radical Firearms 
• Model: RF-15 
   
  The .300 Blackout chambering makes this rifle practical for both range days and varmint hunting, especially with the option to run suppressed subsonic loads through the same platform without changing the upper. The 30-round capacity and straightforward AR controls mean the learning curve is shallow for anyone already familiar with the platform.

Owners of the RF-15 in .300 Blackout generally rate it well for a mid-price AR. The Melonite barrel and M-Lok handguard get positive mentions for build quality at the price point. The .300 Blackout chambering is a draw for hunters and suppressor users who want one rifle that handles both supersonic and subsonic loads. A few users note that Radical's customer service response times can be slow if warranty work is needed, and some compare it unfavorably to pricier brands on trigger feel out of the box. The coyote/black two-tone finish tends to get noticed as a differentiator from the sea of all-black AR configurations. Overall the consensus is solid value for a budget-to-mid-range AR build in this caliber.