Madbull Airsoft SteelBull 6.03mm Tight Bore Inner Barrel

When looking to increase the performance of your AEG, a tight bore barrel is one of the best places to start. Most AEGs come stock with an inner barrels with a relatively large inner diameter. Replacing this barrel with a tight bore barrel, with a diameter of 6.03mm or smaller, will help to improve your gun’s accuracy and shot grouping. As an added benefit, the tighter diameter of a TBB restricts the air flow better, increasing FPS by a small amount. Made with stainless steel, this inner barrel from Madbull Airsoft SteelBull is a high quality, affordable upgrade piece for any airsoft gun. Its 6.03mm diameter increases BB stability and accuracy. The inner barrel is designed to be a lot more durable than standard / stock barrels and dramatically increase the performance of any AEG. Features: High strength stainless steel construction Diameter: 6.03mm Stainless steel construction for enhanced durability and performance 6.03mm diameter provides better seal around BB slightly boosts FPS I