The 2-Minute Rule for Buy Colt AR-15A4 5.56/223 Rem 20″ Barrel For Online
Rifling twist imparts gyroscopic stability into a projectile, enabling much bigger accuracy than a sleek bore. The formulation for determining a proper stabilizing twist considers the duration, body weight, and condition of a projectile. Of these, projectile size, or at the very least the bearing surface area that contacts the rifling, is critical.