This 5.56 chambered 18 inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Performance Series Barrels feature a FailZero Nickel Boron Coated Extended M4 Feed Ramp Extension.
Hanson Series Barrels feature our proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.
Additional Info
	
		
			
Length
			
18"
		
		
			
Material
			
4150 Chrome Moly Vanadium
		
		
			
Profile
			
Hanson
		
		
			
Finish
			
QPQ Corrosion Resistant
		
		
			
Gas System Length
			
Mid-Length
		
		
			
Gas Block Journal
			
1.03" Gas Block Seat for .750" Low Profile Gas Blocks Only
		
		
			
Twist Rate
			
1:7 inches
		
		
			
Muzzle
			
1/2x28 Threaded
		
		
			
Weight
			
41oz
		
		
			
Other Info
			
HP and MPI Tested