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Description of Mount Rail for Tokyo Marui Hi-Capa 5.1 GBB Part Number H51-71


The H51-71 metal lower rail is the original accessory designed by Tokyo Marui for Hi-Capa 5.1 GBB pistols, providing a stable mounting platform for tactical accessories in airsoft setups. Made from metal with a black finish and featuring a standard Picatinny interface, it allows secure attachment of lights, lasers and other tactical equipment.
Installation requires drilling two small holes in the lower frame, as Tokyo Marui does not include pre-threaded mounting points. This rail is ideal for restoring or replacing the original lower rail while maintaining the authentic fit and function of the Hi-Capa series. Tokyo Marui’s reputation for precision and manufacturing quality ensures excellent compatibility and long-term durability.


Features of Mount Rail for Tokyo Marui Hi-Capa 5.1 GBB Part Number H51-71


· SKU: H51-71
· Type: Original metal lower rail for airsoft pistols
· Compatibility: Fits Hi-Capa 5.1 GBB models from Tokyo Marui
· Material: Made of metal with a black finish
· System: Standard Picatinny lower rail compatible with flashlights, lasers and tactical accessories
· Function: Adds tactical capability for mounting accessories under the pistol
· Installation: Tokyo Marui does not pre-thread the lower frame, so it is necessary to drill two small holes in the pistol’s lower body to install the rail using H51-72 screws (sold separately)
· Use: Ideal for restoring or replacing the original lower rail of Hi-Capa 5.1 GBB pistols
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