SPECIFICATIONS
Model: R4-E
Caliber: 5.56mm NATO
Barrel Length: 11.5" : 6 Groove 1:7" RH Twist
Barrel Type: Cold Hammer-Forged / Chrome-Lined
Fire Control: Semi-Auto, Full-Auto, or Burst
Upper Receiver: A3-Type
Sights: A3 Removeable Carry Handle
Optics: Optional
Handguard: Standard, Railed, or RAHG
Magazine: GI-Type or Magpul P-Mag
Flash Suppressor: A2-Type or AAC Black-Out
Suppressor: AAC M4-2000 Optional
Finish: Anodized / Parkerized