My FIRST AR10 Build | The " Sig MCX Spear XM7 at Home "
This guide details the process of building an AR-10 rifle inspired by the Sig MCX Spear XM7. It covers selecting components like receiver sets, barrels, handguards, and optics, with a focus on achieving the desired aesthetic and functional performance. Key steps include ensuring legal barrel length through pinning and welding, tuning the gas system with an adjustable block, and selecting appropriate buffer components for reliable cycling in .308.











