The Radical Firearms 16" SOCOM 5.56mm AR rifle uses MIL-STD Upper and lower receivers along with our 15" RPR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories.  

Barrel Length:      16"

Barrel Material:      4140 Chrome Moly Vanadium

Barrel Finish:     Melonite

Barrel Profile:      SOCOM

Barrel Thread Pitch:     1/2x28

Chamber:      5.56mm

Twist Rate:      1:7

Barrel Extension:      M4 Feed Ramps

Gas System:      Mid Length

Gas Block Type:      .750 Low Profile Gas Block

Muzzle Device:      A2 Flash Hider

Upper Receiver Material:      Forged 7075 T6

Upper Receiver Style:     M4 MIL-STD

Upper Receiver Finish:      Type III Anodizing

Forward Assist:      MIL-STD

Dust Cover:      MIL-STD

Handguard Type:      Free Float

Handguard Style:     M-Lok Thin Rail

Handguard Length:     15"

Charging Handle:     MIL-STD

Lower Receiver:      Forged 7075 T6

Lower Receiver Finish:      Type III Anodizing

Fire Control Group:      Semi-Automatic MIL-STD

Grip:      B5 Type 23 Pistol Grip

Buffer Tube:      Carbine MIL-STD

Stock Adjustment:      6 Postion

Stock:     B5 BRAVO

Magazine:      5.56mm 30 Round