This CNC aluminum hopup unit is a great upgrade for your Tokyo Marui Hi-CAPA, 1911, or other airsoft pistol. The high-quality aluminum to precise tolerances for improved accuracy and consistency of the hopup unit. The hopup unit also features a TDC (Tokyo Dynamic Chamber) design, which allows for more precise hopup adjustment.

• CNC aluminum construction for durability and precision
• TDC (Tokyo Dynamic Chamber) design for precise hopup adjustment
• Compatible with Tokyo Marui Hi-CAPA 4.3 / 5.1 / 1911