Introducing the TTI Airsoft Infinity CNC Aluminum One Piece TDC Hop-Up Chamber, meticulously crafted from high-quality CNC aluminum for unparalleled durability and performance. This hop-up chamber boasts a one-piece design that ensures optimal stability and consistent shot accuracy. Featuring an advanced top dead center (TDC) hop adjustment system, it provides precise and reliable tuning for your airsoft needs. Perfectly compatible with the Action Army AAP-01 GBBP series, this hop-up chamber elevates your airsoft experience to the next level. Elevate your game with the precision and stability that only TTI Airsoft can offer.