Ghost Firearms AR-15 16" A2 Barrel Assembly 

• 4150 Chromoly Steel
• A2 16" 5.56mm Barrel
• A2 Sight Tower
• Barrel Nut and Delta ring 
• Flash Hidder 
• M4 contour profile
• M4 feedramps
• 5.56/.223
• Carbine Length Gas System 
• .750 Gas Platform System
• Phosphate Coating