I took on the challenge of building a SCAR 17 from parts starting with a CYPHERX stripped receiver from Imperial Arms. I have managed to acquire every part except for the part called a "Receiver Rail" FN part# F182120010. This seems to be the one part that is impossible to find. I have been watching Midwest Gunworks for months. It is too bad that Imperial Arms does not make this available for each of their receivers they sell. I am wondering how many other people out there are in need of this same part. I am listing below every maker of this part that I know of. If anyone knows of another source, please post it.
The receiver rail has been made by these makers at some point in the past:
Imperial Arms
Otto Arms
Mototech Engineering
Midwest Gunworks (original FN SCAR part)
The receiver rail has been made by these makers at some point in the past:
Imperial Arms
Otto Arms
Mototech Engineering
Midwest Gunworks (original FN SCAR part)