Radical Firearms 300 BLK Upper Receiver 16" 1:8 Twist M-LOK – AR-15 Platform

This Radical Firearms complete upper receiver assembly is chambered in 300 AAC Blackout with a 16-inch barrel and 1:8 twist rate, designed to stabilize both subsonic and supersonic loads. It mounts directly to any mil-spec AR-15 lower receiver, providing a versatile platform for hunting, home defense, or suppressed shooting applications.

The upper features a lightweight M-LOK handguard for accessory mounting, a black finish for corrosion resistance, and comes fully assembled with bolt carrier group and charging handle included. No gunsmithing required—simply attach to your AR-15 lower and perform a function check before use.

• Caliber: 300 AAC Blackout
• Type: Complete Upper Receiver Assembly
• Compatible Lower: Mil-Spec AR-15
• Barrel Length: 16 inches
• Twist Rate: 1:8
• Handguard: M-LOK
• Finish: Black
• Includes: Bolt Carrier Group, Charging Handle
• Installation: Drop-in compatibility with mil-spec AR-15 lower receivers