16 inch gun muzzle velocity12/6/2023 Of course, more pressurized gas, used more efficiently, means more velocity.Īs you can see, it’s complicated! Velocity is affected by many different features working in tandem. The amount of pressurized gas will greatly impact a bullet’s velocity. The quality and amount of propellant make a big impact on velocity. Generally, larger bullets result in lower velocity, because it requires a lot more energy to shoot them out of the gun. The shape of the bullet might cut through the air more efficiently, resulting in a higher velocity. The mass and length of the bullet also influence a bullet’s velocity. The interior grooves and contours will affect the bullet as it leaves the gun, resulting in less or more velocity. The bullet is impacted by more pressure along the length of the barrel, picking up more speed, and resulting in a higher muzzle velocity.īarrel shape and design will also impact velocity. ![]() Longer barrels usually mean more velocity. Here are some of the main ones: Barrel LengthĪs mentioned above, barrel length impacts the velocity of a bullet. Simply put, many factors impact the velocity of a bullet. What Factors Impact the Velocity of a Bullet? Of course, this also heavily depends on the shooter’s skill, and can also be impacted by the twist rate of the barrel. Higher velocity tends to lead to more accuracy because the bullet can travel in a straight line more efficiently. This is because the bullet is impacted by more pressure traveling the length of the barrel, and will leave the gun with more velocity. Typically, longer barrels mean higher velocity. Yes, barrel length matters and will make a noticeable impact on your AR-15’s performance.įirstly, barrel length impacts a bullet’s velocity. Does Barrel Length Matter When Shooting an AR-15? Mark the rod, and measure the distance from the mark to the end. ![]() If you still can’t find it, take your unloaded AR-15, and stick a rod down the barrel as far as it can go. If you can’t find it, look for any product identification numbers on your barrel and do a quick Internet search. It is one of the main features of a barrel and will be prominently displayed. Most of the time, a gun’s barrel length will be marked when you purchase it.
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