What are the common types of supported barricading shooting positions?

The common types of supported barricading shooting positions include kneeling, rolling over prone, and standing because these positions are foundational for stability and accuracy while shooting in a tactical environment. Kneeling provides a lower center of gravity and allows for a stable shooting platform, especially when using cover or a barricade.

Rolling over into a prone position further enhances stability by distributing the shooter's weight over a larger surface area, which minimizes movement and keeps the shooter concealed. The standing position is crucial for mobility and quick engagement of targets, particularly in scenarios where rapid movement is necessary while maintaining the ability to shoot accurately.

These three positions emphasize a combination of support from the environment and the shooter's physical posture, ensuring control and precision when engaging targets. The other options do not accurately reflect the techniques commonly used in supported barricading shooting scenarios.