AllTerra Arms custom rifles are built different. Unlike many other builders, we manufacture most of the major rifle components in our own facility, using our own designs, with full control over the quality and tolerances of our parts. Our Convergence action, bolt, and barrel connection include proprietary, patented designs which were created by our founder Andrew Foster. These details result in the strongest and most concentric barrel connection out there, leading to extremely consistent shot-to-shot barrel harmonics and ultimately, excellent long range accuracy. In-house build components include our Convergence action, Carbon Hunter stock, V4 Series muzzle brakes, and optic picatinny rails.