Airsoft M870 Shotgun Top Rail Sight Mount (CYMA, TM) Picatinny
thingiverse
Top picatinny rail for Airsoft M870 style shotgun. This was designed around the CYMA folding stock model but I assume it can be used with others. Suggest printing at an angle to minimize support in the rail section. Mounting holes designed to be opened up to M3 screw size.
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