Ranger Regiment Practice Exam 2026 - Free Ranger Regiment Practice Questions and Study Guide

The rifling twist of 7.62 weapons being 1/12 right-hand twist is significant because it indicates the rate at which the bullet will spin as it travels down the barrel. A 1/12 twist means that the bullet completes one full rotation for every 12 inches of travel through the barrel. This specific twist rate is optimal for stabilizing the commonly used 7.62mm projectiles, particularly those that are heavier and longer.

Using a 1/12 twist allows for improved accuracy and range because the proper spin helps to keep the bullet on a stable trajectory, especially at longer distances. If the twist were to be too fast or too slow, it could destabilize the bullet and negatively affect its performance.

In contrast, other options do not specifically reflect the military standard for 7.62mm weapons. For example, a 1/10 twist is generally used for stabilizing heavier bullets, while a 1/14 or 1/16 twist is less common for this caliber, particularly in military applications. This makes the 1/12 right-hand twist the recognized standard for ensuring optimal bullet performance in 7.62 weapons.