Crafted with precision and care, our in-house manufactured barrels are designed for unparalleled accuracy and performance. Each barrel begins with the selection of top-tier materials - certified 4150 mil-spec steel or 416-R stainless. Our commitment to quality is evident as each barrel is fully stress relieved and air Gauge tested for optimal performance. The 11 degree target crown enhances accuracy, making these barrels ideal for precision shooting. Throughout manufacturing, barrels undergo rigorous testing, culminating in a nitride finish for enhanced durability and longevity. Before leaving our facility, each barrel is individually inspected for headspace using precision custom hardened Gauges. Our barrels are engineered to exceed expectations and deliver exceptional results, focusing on quality and precision. 11 degree target crown Twist rate - 1:8 Gas block diameter - 0.625 inches 1.1 gas block journal length M4 barrel extensions Mid-length, button-rifled, pencil 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