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RF 16" 5.56 M4 Complete Rifle with 12" FQR (Quad Rail)
RF 16" 5.56 M4 Complete Rifle with 12" FQR (Quad Rail)

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MSRP: $566.95

Stock Status:Ready to build; check lead times
Availability: Current Production Time Up To 4 Weeks
Product Code: FR16-5.56M4-12FQR


Charging Handle*:



The Radical Firearms complete AR-Rifle is a fully Mil-Spec AR-15 rifle built using a law enforcement grade upper receivers and mil spec lowers. The 4150 Chromoly Vanadium Steel barrels are Melonite treated for a harder-than chrome finish without chrome's accuracy robbing side effects! This same finish is applied to the bolt carrier groups, helping to reduce receiver wear and increase reliability. The bolt heads are MIL-STD and MPI for quality assurance. The full-length, free float handguard keeps your hands cool and provides plenty of room for accessories along all sides of the First-Gen Quad Rail (FQR).

Pick up a set of your favorite sights, and you're ready for the range!

This rifle is our budget friendly model with all the extras you will want for your first, second or last build!

Rifle comes complete with:

  • 16" M4 5.56 Melonite Barrel 4140V Chromoly
  • 1 in 7" twist rate
  • M4 Feed Ramps
  • 1/2x28 Thread Pitch
  • M16 MPI BCG With Melonite Coating
  • RF Low Profile Micro Gas Block
  • Stainless Carbine-length gas system
  • Direct Gas Impingement
  • Mil-Spec A2 Flash Hider
  • 12" Free Float Radical Firearms FQR (First-Gen Quad Rail)
  • Quad Picatinny Rails for Mounting Lights, Lasers, Bipods & Sights
  • Forged Upper Receiver with Forward Assist, Shell Deflector
  • Forged Radical Firearms Lower
  • MIL-STD Lower Parts Kit
  • MFT Grip
  • MFT Minimalist Stock
  • Magazine

*Image may differ from product description

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