Radical Firearms BTR 300 Blackout 8.5" Heavy Barrel AR Pistol

The Radical Firearms BTR 300 Blackout delivers compact firepower with an 8.5-inch heavy barrel configuration optimized for subsonic and supersonic ammunition performance. This AR-style pistol combines proven direct impingement operation with modern manufacturing precision for reliable function across diverse shooting applications.

What Makes This Different

The heavy barrel profile provides enhanced heat dissipation and improved accuracy compared to standard lightweight barrels, maintaining consistent point of impact through extended firing sessions. The 300 Blackout chambering offers superior ballistic performance from short barrels compared to 5.56 NATO, delivering effective terminal ballistics at close to intermediate ranges. Radical Firearms' manufacturing process includes individual test firing and quality control verification before shipping.

Key Features

• 8.5-inch heavy barrel profile for improved accuracy and heat management
• 300 AAC Blackout chambering optimized for short barrel performance
• Direct impingement gas system with carbine-length gas tube
• Mil-spec lower receiver with standard AR-15 trigger group compatibility
• Picatinny rail system for optics and accessory mounting
• Standard AR-15 magazine compatibility (30-round capacity)
• Matte black finish with corrosion-resistant coating

Field performance demonstrates reliable cycling with both subsonic and supersonic 300 Blackout loads, making this platform suitable for tactical applications, hunting medium game at close range, and recreational shooting. The heavy barrel maintains accuracy through rapid fire sequences while the compact overall length provides maneuverability in confined spaces. Weather-resistant finish protects against moisture and environmental exposure during outdoor use.

Technical Specs

• Caliber: 300 AAC Blackout (.300 BLK)
• Barrel Length: 8.5 inches, heavy profile
• Overall Length: Approximately 26 inches
• Weight: Approximately 6.2 pounds
• Gas System: Direct impingement, carbine length
• Receiver: Forged 7075-T6 aluminum, mil-spec
• Finish: Matte black oxide coating
• Magazine Capacity: 30 rounds (standard AR-15 magazines)
• Thread Pitch: 5/8x24 TPI (muzzle device ready)
• Country of Origin: United States

This configuration addresses the specific requirements of shooters seeking maximum effectiveness from the 300 Blackout cartridge in a compact platform. The heavy barrel specification ensures consistent accuracy while maintaining the reliability standards expected from modern sporting rifles.