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18″ 5.56MM, MID-LENGTH, 1:7, S2W®


This 18” 5.56 barrel is the most accurate and longest lasting barrel attainable for your AR-15 build.  We Cold Hammer Forge our barrels, a process that sets us apart from other barrel manufacturers.  The 18” Shrength to Weight (Daniel’s Heavy Barrel) profile barrel is forged from 4150 Chrome Moly Vanadium steel, Mil-spec heavy phosphate coated and chrome lined with Mid-length gas system.



More Information
Caliber 5.56mm NATO
Barrel Length 18″
Manuf. Process Cold Hammer Forged
Twist Rate 1:7
Muzzle Thread 1 ⁄ 2 × 28 TPI (Threads Per Inch)
Material Chrome Moly Vanadium
Outside Finish Mil-Spec Heavy Phosphate
Inside Finish Chrome
Gas System Mid-length
Diameter At Gas Port .750″
Barrel Extension A4
Barrel Profile S2W® [Strength-to-Weight]
Weight 2.65lbs
Manufacturer Daniel Defense


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