What is the inner barrel of the jg bar 10?

The inner barrel of the JG BAR-10 is a key component of this airsoft sniper rifle, responsible for guiding the BB as it travels down the barrel. Typically made of metal for improved durability and accuracy, the inner barrel's length and diameter can influence the gun's performance, such as range and precision. Upgrading the inner barrel can enhance the overall shooting experience, making it a common modification among airsoft enthusiasts.