There is a bill in the Pennsylvania Senate which would restrict people accused of domestic abuse from owning guns.
Contact your Pennsylvania Senator and ask them to support SB 501, Enhancing Safety For All Parties Involved In Protection From Abuse (PFA) Orders/Convictions of Misdemeanor Crimes of Domestic Violence.
Action for Everyone Else:
Check out to see how much your legislators received from the NRA in the 2016 election cycle: https://www.opensecrets.org/orgs/recips.php?id=D000000082&type=P&cycle=2016&sort=N&state=
Contact your Senators and MoC and ask them to return any NRA contributions they have received.