A bill has been introduced in the PA house that would require registration of ALL firearms owned by PA residents.
http://www.legis.state.pa.us/cfdocs/legis/PN/Public/btCheck.cfm?txtType=HTM&sessYr=2015&sessInd=0&billBody=H&billTyp=B&billNbr=0503&pn=0560
Remember those names well, PA folks.