20-Inch AR15 Barrel: Ultimate Guide for Accuracy and Performance
Enhanced Muzzle Velocity: The Power of a Longer Barrel The primary advantage of a 20-inch AR15 barrel lies in its ability to maximize muzzle velocity. The longer barrel allows the expanding gases generated by the burning propellant to push the bullet for a longer duration. This prolonged acceleration translates directly into a higher muzzle velocity, … Read more