The Faxon Match series barrels are meticulously crafted in-house from premium gun-barrel-quality bar stock, elevating performance and value. At the core of the Match series is the use of 416-R stainless steel with innovative 5R rifling, featuring lands opposite grooves and reduced sharp angles to minimize jacket deformation, enhance velocity and simplify cleaning. Each barrel undergoes rigorous testing and is nitride treated both internally and externally, ensuring a locked-in bore, extended barrel life and robust protection against environmental elements. The barrel extension is enhanced with a Nickel Teflon coating, offering exceptional dry lubricity and corrosion resistance, ensuring a tighter fit between the extension and receiver for refined accuracy. Engineered to deliver unmatched performance and reliability, the Faxon Match series barrels are ideal for critical duty situations or competitive shooting scenarios. With superior construction and advanced features, these barrels epitomize precision and durability, ready to meet the demands of any challenge. Recessed target crown Twist rate - 1:8 Gas block diameter - 3/4 inches 1.1 gas block journal length M4 - nickel teflon coated barrel extension Mid-length, 5R button-rifled, heavy fluted 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