Combat Armory Complete AR-15 Pistol  7075-T6 aluminum and hard-coat anodized black. Comes with all Mil-Spec components installed.

Features:    

• Barrel Length: 7.5"    
• Barrel Material: 4140 Chrome Moly Vanadium    
• Barrel Finish: Melonite    
• Barrel Profile: M4    
• Barrel Thread Pitch: 1/2X28    
• Chamber: 5.56mm    
• Twist Rate: 1:7    
• Barrel Extension: M4 Feed Ramps    
• Gas System: Pistol Length    
• Gas Block Type: .750
• Low Profile Gas Block    
• Muzzle Device: A2 Flash Hider   
•  Upper Receiver Material: Billet 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 Full Pic Rail    
• Handguard Length: 7"    
• Charging Handle: MIL-STD    
• Lower Receiver: Billet 7075 T6    
• Lower Receiver Finish: Type III Anodizing    
• Safety: MIL-STD   
• Fire Control Group: MIL-STD    
• Buffer Tube: Pistol Tube    
• Magazine: 5.56 10 Round