JE Machine Tech AR-15 Barrel Features The Je Machine Tech barrel is cut with a .223 Wylde chamber a hybrid design that lets a shooter run both 5.56 NATO and .223 Remington ammunition safely while retaining much of the accuracy benefit of a dedicated .223 match chamber. Built from chrome plated steel the barrel resists corrosion and wear better than an untreated carbon steel barrel exposed to the same round count. The 1:8 twist rate stabilizes a wide range of bullet weights from lighter varmint loads up through heavier match and hunting projectiles. Its carbine-length gas system positions the port for reliable cycling with a standard AR-15 carbine buffer system. The black nitride finish adds a layer of surface hardness and lubricity that helps the barrel resist fouling buildup and eases cleaning after a day at the range. At 16 long the barrel keeps the rifle within standard non-NFA length requirements while still delivering solid velocity from carbine-length ammunition. A 1/2x28 thread pattern at the muzzle accepts the wide range of muzzle devices already built for that standard AR-15 thread. For a builder chambering an AR-15 for both .223 and 5.56 ammunition this barrel offers a practical durable solution. JE Machine Tech AR-15 Barrel Specifications Manufacturer: Je Machine Tech Type: Rifle Barrel Caliber: .223 Wylde Barrel Length: 16 Barrel Material: Chrome Plated Steel Finish: Black Nitride Twist Rate: 1:8 Barrel Type: Carbine Length Thread Pattern: 1/2x28 Compatible Hosts: AR-15 Available At: GrabAGun