Originally Posted by rokor
I've been searching around for some metal revievers, and I can't seem to find any. A member on this site said they can only(rarely) be purchased on the classifiedss, is this the only way I can get my hands on a set(upper and lower, mainly looking for lower).
Pretty much yes. We treat receivers the same as full guns (and so does CBSA for importation, since the receiver is the "gun" in Canadian gun laws)
The lower receiver is restricted, or the "gun". You can get an upper receiver anywhere you want