The unique qualities of a micro gas tube will become clear when we have defined what one is. To link the gas block on the barrel to the gas key on the bolt carrier group, a gas tube is used. The rifle's action is cycled thanks to the gas ejected by the fired round, which is channeled back to the bolt carrier group.
Simply said, a micro gas tube is a reduced-size variant of a regular tube of gas. A normal one measures about 1.5 inches in length and 0.070 inches in diameter. With its compact size, the gas system can be fine-tuned to provide optimal performance.