Choosing the Right AR-15 Barrel: A Deep Dive into the 1:9 Twist Rate
What is Twist Rate? Understanding the Basics Before exploring the specifics of the *1:9 twist AR barrel*, it’s crucial to grasp the fundamental concept of twist rate. Twist rate refers to the rate at which the rifling inside the barrel causes the bullet to spin as it travels down the bore. This spin, known as … Read more