This is for the average gun enthusiasts and newbies that enjoy shooting and want a little more understanding of how a barrel twist rate can affect accuracy. So does barrel twist rate affect accuracy on an AR15? The short technical answer is that barrel twist starts the bullet spinning at a given rate to stabilize the bullet. The rate has to be constant for the utmost accuracy. On the opposite end of the spectrum – Decreasing the twist rate will almost certainly result in a dramatic decrease in accuracy. Another factor is can the wrong weight of the bullet for...