This is a Radical Firearms Complete Upper featuring an M-LOK system handguard and a 16″ barrel in .300 AAC Blackout.

The Radical Firearms 300 Blackout upper is a complete MIL-STD upper ready to drop on any MIL-STD lower Receiver. Perfect for the novice or advanced shooter wanting to finish out that build and hit the range. No matter what your style of shooting is, Radical Firearms has you covered.

Features:

• Complete upper
• 16″ barrel with 1:8 twist
• M-LOK handguard with 1913 Picatinny Rail
• A2 Flash Hider