Rock River Arms 16" 9mm CAR A4 Complete Upper Half with Tower

• Includes Bolt Carrier Group and Charging Handle Assembly
• Caliber:  9mm Luger Chamber
• Upper Receiver:  Forged A4
• Barrel:  16" Chrome Moly, 1:10 Twist
• Muzzle Device:  A1 Flash Hider / 1/2 - 36 Thread
• Front Sight:  A2 Front Sight
• Handguard:  Black R4 Handguard

Note:  The optional Wraparound Half Quad Handguard is not compatible with the optional Gas Block Sight Base.

• Handguard: 

  • Green R4 Handguard
  • RRA Aluminum Free Float Tube
  • RRA Quad Rail Free Float
  • RRA Wraparound Half Quad
  • SureFire M73 Tactical Rail
• Charging Handle:
  • with Badger Tactical Latch
  • RRA Ambi Charging Handle
  • Gas Buster with Big Latch
  • BCMGunfighter / Small Latch
  • BCMGunfighter / Medium Latch
  • BCMGunfighter / Large Latch
• Front Sight/Gas Block
  • Gas Block Sight Base
  • Gas Block/Detachable Front Sight
  • RRA Flip Front Sight Gas Block
• Flash Hider:
  • Smith Vortex Flash Hider