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Radical Firearms 16" 450 Bushmaster Complete Upper with MHR Radical Firearms 20" 450 Bushmaster Complete Upper with MHR
  • 16" 450 Bushmaster 4140V Steel Barrel

  • 1 in 14" Twist Rate

  • 5/8x32 TPI

  • 458 SOCOM Chamber

  • Single Feed Ramp

  • .936" Micro Gas Block

  • Stainless carbine-length gas tube

  • Direct Gas Impingement

  • Radical Firearms Panzer 5/8x32 Brake

  • Radical Firearms 15" MHR Hybrid Rail System

  • Integrated M-LOK attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights

  • Custom Forged Upper Receiver with RF Dimpled Forward Assist, Shell Deflector, Dust Cover

  • Complete 450 Bushmaster BCG, MPI, Melonite Coated, Staked

  • MIL-STD Charging Handle

  • 1 Big Bore Magazine
  • 20" 450 Bushmaster 4140V Steel Barrel

  • 1 in 14" Twist Rate

  • 5/8x32 TPI

  • 458 SOCOM Chamber

  • Single Feed Ramp

  • .936" Micro Gas Block

  • Stainless carbine-length gas tube

  • Direct Gas Impingement

  • Radical Firearms Panzer 5/8x32 Brake

  • Radical Firearms 15" MHR Hybrid Rail System

  • Integrated M-LOK attachment points on the sides and bottom with Picatinny Rails at the fore end for Mounting Lights, Lasers, Bipods & Sights

  • Custom Forged Upper Receiver with RF Dimpled Forward Assist, Shell Deflector, Dust Cover

  • Complete 450 Bushmaster BCG, MPI, Melonite Coated, Staked

  • MIL-STD Charging Handle

  • 1 Big Bore Magazine
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