Airtech Studios New Gen Series TCU True Centering Unit & Various Side Wings For MAXX MODEL reg_BB Polymer Retractable Stock With Metal

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Airtech Studios New Gen Series TCU True Centering Unit & Various Side Wings For MAXX MODEL reg_BB Polymer Retractable Stock With MetalAirtech Studios New Gen Series TCU True Centering Unit & Various Side Wings For MAXX MODEL The True Centering Unit (TCU) is Designed for the Maxx Model (New Gen, all models) specifically to prevent the hop up unit from rotating from side to side. This is caused by the manufacturing tolerances of the hop up installed into the outer barrel. Additionally, the movements of the magazine while shooting may cause the hop up unit to sway further causing major