Quote Originally Posted by Peter Laidlericon View Post
There doesn't seem to be any point making those parts SDF 4 because they are generic, simple to get, available on ebay GPMG/L7/FN MAG 58 parts. That's why AI chose them to use on their rifles
I must be looking in the wrong places or using the wrong search term cause I can never find any.

I found a airsoft version of it but there made of aluminum.