Student gun control advocates protest outside Smith & Wesson

Demonstrators supporting gun law reforms, foreground, walk on the opposite side of the road from counter protesters supporting Second Amendment rights, behind, near the headquarters of gun manufacturer Smith & Wesson, Sunday, Aug. 26, 2018, in Springfield, Mass. The 50-mile march supporting gun law reforms, began Thursday, Aug. 23, 2018, in Worcester, Mass., and ended Sunday, in Springfield, with a rally near the headquarters of the gun manufacturer. (AP Photo/Steven Senne)

SPRINGFIELD, Mass. — Student gun control advocates and one of the survivors of the Parkland, Florida, school shooting have finished a 50-mile, four-day march in Massachusetts to the headquarters of gun manufacturer Smith & Wesson.

More than 100 protesters rallied outside company headquarters Sunday in Springfield.

The marchers condemned Smith & Wesson for making the rifle used in the February mass shooting at Marjory Stoneman Douglas High School in Parkland. The group wants the company to donate $5 million to gun violence research.

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Parkland shooting survivor David Hogg called the march empowering and said Massachusetts shows how commonsense gun laws work.

Counter-protesters held signs across the street from Smith & Wesson supporting the gun-maker and the Second Amendment. Police kept the two protests separate.

Smith & Wesson hasn't responded to requests for comment.