Black Widow bushings and inserts

[Si]

I know you can get the flanged limb bushings and threaded inserts that go in the riser from Black Widow but has anybody found another source for these? I searched the images of bushings and didn't see anything similar that would be for an application other than bow building. I haven't checked with other bow companies that make bows similar to Widow.

[macbow]

Binghams all supplies for bow making.

[Mad Max]

They probably make them for there self (custom)


I did a search a while back for the same