During his time in the 49th District, Plasencia defended for 2nd Amendment Rights and had previously received an "A" rating from the National Rifle Association. After the Stoneman Douglas High School Shooting in Parkland, Florida, Plasencia voted for the Florida Senate Bill 7026, along with other Republicans, to ban bump stocks and to raise the minimum age from 18 to 21 to purchase firearms. As of 2018 Plasencia holds a "C" rating from the National Rifle Association.