Picatinny rails designed for the (2019) H&K MP7 AEG.
Mirror the rail to fit the other side.
I used four #10-32 x 1/2" flat head screws.
Link to mag plate: https://makerworld.com/en/models/381920
Link to rear rail: https://makerworld.com/en/models/381922
Link to stock pad: https://makerworld.com/en/models/381923
Link to tracer muzzle break: https://makerworld.com/en/models/381924
Link to original muzzle break: https://makerworld.com/en/models/381926