The oldest gun manufacturer in the US, Remington Outdoor Co., has filed for bankruptcy due to slumping sales. Established more than 200 years ago, the company’s significant sales-drop comes amidst demands for greater gun control in the US, as well as lawsuits stemming from the 2012 Sandy Hook Elementary School shooting, the Wall Street Journal reported. .A shooting at Marjory Stoneman Douglas High School in Parkland, Fla. that killed 17 people in February 2018, has revived t