The Seekins Precision AR15 6mm ARC 18" 1:8" 1/2"x28 Threaded SS M4 Barrel is engineered for superior accuracy and performance. Crafted from 416 stainless steel, this barrel features a 1:8 twist rate and a threaded muzzle for easy attachment of suppressors and other muzzle devices. The 18-inch length provides an optimal balance between maneuverability and ballistic performance, making it ideal for both target shooting and hunting applications. The barrel's construction ensures durability and longevity, making it a valuable upgrade for any AR-15 platform.