The JE Machine Tech PS-BAL6 16" Carbine Length M4 Profile .223 Wylde Barrel is engineered for exceptional accuracy and durability, making it an ideal choice for AR-15 enthusiasts. Made from high-quality domestically sourced 4150 CrMoV steel, this barrel undergoes precision manufacturing processes that include drilling, reaming, and button-rifling to ensure reliability and performance for thousands of rounds. Featuring a 1:8 twist rate, a .750 gas block, and a carbine-length gas system, it delivers consistent shooting experiences. Plus, a free carbine-length gas tube is included, enhancing your build with added value and functionality. JE Machine Tech AR platform barrels are constructed from the finest domestically sourced steel. Drilled, reamed, button-rifled, profiled, and chambered to exact dimensions in compliance with SAAMI specifications; our high-precision manufacturing processes ensure both accurate and repeatable performance for thousands of rounds. FREE Carbine Length Gas Tube Included. Platform: AR-15 Chambering: .223 Wylde Twist rate: 1:8 Overall length: 16" Gas system length: Carbine length .750 gas block Thread Pitch: 1/2-28 Material: 4150 CrMoV steel Finish: Black Nitride