Originally Posted by kemasa
I heard of a case where a FFL sold, not a PPT (consignments can be transferred as a PPT), firearm which was not on the certified list, the firearm had to be returned. I don't recall more, but somehow the DOJ found out. I am not sure that the customer could be forced to return it, but who knows.
I recall that a couple years ago Glock came out with an ambi-mag release version on their guns, which was considered off-roster). CADOJ sent out letters to the buyers requesting
them to return them to be swapped out for a std-mag release, but there was no mandatory recall.