How Long Is Too Long? Don't Believe HER! Find Out HERE!
This video explores the pros and cons of 20-inch barrels on 5.56 gas guns, primarily for competition. The instructor emphasizes that barrel length primarily affects velocity and maneuverability. While 18-inch barrels offer better maneuverability in tight spaces, 20-inch barrels provide increased velocity, leading to flatter trajectories and retained energy at longer distances, which is beneficial for competition.












