20MM Picatinny Hollow Rail. MCX Dedicated Hollow Wiring Rail. Model Open Source! Unauthorized Reproduction Is Prohibited. 3D Printable Model

20MM Picatinny Hollow Rail. MCX Dedicated Hollow Wiring Rail. Model Open Source! Unauthorized Reproduction Is Prohibited. is a 3D printable model, which we searched from web for you, so you can easily print on your own 3D printer or use print on demand 3d printing service. More 3D printer models from 寒冰墨影－B站 are here.