AR-15 5.56 NATO 5'' Pistol Length Barrel 1:5 5R Twist Nitride and Micro Gas Tube

AR-15 5.56 NATO 5'' Pistol Length Barrel 1:5 5R Twist Nitride and Micro Gas Tube

AR-15 5.56 NATO 5'' Pistol Length Barrel 1:5 5R Twist Nitride and Micro Gas Tube

Specifications:

• Length: 5" Pistol
  
• 5.56 NATO
  
• 1:5 5R Twist
• .750" gas block diameter
• Proprietary Micro Pistol gas system
• 1/2"x28 Thread Pitch
• 4150 Chrome Moly Vanadium
• Black Nitride finish
  
• Made in the U.S.A.
• Fits: AR-15

Micro Gas Tube Features: 

• Length: 5/78
• OD: 0.180 on button end 
• Stainless Steel 
• Made in The U.S.A