From The Morning Call:

“Allentown has now joined the pantheon no city ever wanted to be in: Cities which have seen mass shooting with someone using an AR-15,” state Rep. Mike Schlossberg said.

The legislation would effectively ban the possession, purchase, transfer, use or manufacture of those weapons in Pennsylvania, with exceptions for military and law enforcement. But it would allow people who owned the weapons prior to the date of enforcement to continue doing so.