Tactical Kinetics 20 inch 5.56 NATO AR-15 Melonite 1/7 Twist Barrel

20 inch 5.56 NATO AR-15 Barrel, 4150 CMV and Nitrided, 1/7 Twist, Medium Contour Barrel Profile with Rifle length Gas System - made by Tactical Kinetics. Our Tactical Kinetics AR platform barrels are constructed from the finest domestically sourced steels, are drilled, reamed, and button rifled, and then profiled and chambered to exacting dimensions in compliance with SAAMI Specifications. Our high-precision manufacturing processes ensure both accurate and repeatable performance for thousands of rounds.Weight2Length20ProfileMediumTwist1:7FinishNitrideMaterial4150 CMVThread Pitch1/2x28Caliber5.56 NATOFeed RampM4FlutesN/AGas SystemRifleRiflingConventionalGas Block System0.750