Discover the ultimate in versatility and precision with Faxon's Integral rifle barrels, designed for shooters who demand both maneuverability and adaptability in their AR-15 builds. These barrels offer the perfect solution for those seeking a shorter overall length without sacrificing the flexibility of configuration. With Faxon's innovative Integral Muzzle Device barrels, you are no longer confined to a single setup or reliant on a gunsmith to pin and weld your muzzle device. Choose between a 3-port muzzle device or a slotted flash hider, enabling seamless assembly and disassembly of the barrel and barrel nuts and granting you the freedom to modify your weapon's configuration at will. Faxon Firearms barrels represent the pinnacle of value and quality. Crafted in-house, each barrel undergoes a meticulous manufacturing process, starting with premium materials such as certified 4150 mil-spec steel or 416-R stainless. These barrels are fully stress relieved, air Gauge tested and feature an 11 degree target crown to ensure exceptional accuracy. Rigorous testing accompanies every stage of production, culminating in a nitride finish and a final inspection. Each barrel is individually verified for headspace using precision custom hardened Gauges, ensuring that every product meets the highest standards of performance and reliability. Choose Faxon's Integral rifle barrels for a superior shooting experience, where quality and adaptability meet to redefine your expectations. 11 degree target crown Integral slim flash hider Twist rate - 1:8 Gas block diameter - 0.625 inches Gas block journal length - 1.9 M4 barrel extensions Mid-length, button-rifled, gunner barrel Magnetic particle inspection (MPI) for optimal performance to ensure optimal performance, it is essential to conduct magnetic particle inspection (MPI) with precision and adherence to established protocols This non-destructive testing method is employed to detect surface and near surface discontinuities in ferromagnetic materials By applying a magnetic field to the test object and introducing magnetic particles, any disruptions in the magnetic field caused by defects become visible, allowing for accurate identification and assessment Proper execution of MPI requires a thorough understanding of the equipment, materials and techniques involved, as well as strict compliance with safety standards and guidelines