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RSR Stock #: RAFRF00375
Manufacturer Part #: RF00375

Radical Firearms, Complete Upper Assembly, 300 Blackout, 16" Barrel, 1:8 Twist, Black, MLOK Handguard, A2 Flash Hider


WARNING: This product can expose you to chemicals including Nickel Acetate, which is known to the State of California to cause cancer. For more information visit


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  • Free float rail system
  • Forged 7075 T6 Aluminum
  • Type III Anodizing

Product Description

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.