Gun safety organization Giffords and judicial group Demand Justice plan to launch a joint ad campaign to pressure Republican senators to reject one of President Trump Donald John TrumpBiden says voters should choose who nominates Supreme Court justice Trump, Biden will not shake hands at first debate due to COVID-19 Pelosi: Trump Supreme Court pick 'threatens' Affordable Care Act MORE's circuit court nominees.

The groups will run an ad campaign targeting GOP Sens. Susan Collins Susan Margaret CollinsSenate GOP set to vote on Trump's Supreme Court pick before election Democratic senator to party: 'A little message discipline wouldn't kill us' Poll: 57 percent of Americans think next president, Senate should fill Ginsburg vacancy MORE (Maine), John Cornyn John CornynSupreme Court fight pushes Senate toward brink Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Lawmakers introduce legislation to boost cybersecurity of local governments, small businesses MORE (Texas), Joni Ernst Joni Kay ErnstOn The Trail: Making sense of this week's polling tsunami Tillis appears to reinforce question about COVID-19 death toll The power of incumbency: How Trump is using the Oval Office to win reelection MORE (Iowa), Cory Gardner Cory Scott GardnerBreaking the Chinese space addiction Trump dumbfounds GOP with latest unforced error Billionaire who donated to Trump in 2016 donates to Biden MORE (Colo.) and Thom Tillis Thomas (Thom) Roland TillisNetflix distances from author's comments about Muslim Uyghurs but defends project Overnight Energy: Trump officials finalize plan to open up protected areas of Tongass to logging | Feds say offshore testing for oil can proceed despite drilling moratorium | Dems question EPA's postponement of inequality training On The Trail: Making sense of this week's polling tsunami MORE (N.C.), all of whom are up for reelection in 2020, asking them to vote against Trump nominee Lawrence VanDyke.

A vote on VanDyke's confirmation to the Ninth Circuit Court of Appeals is slated for next week.

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The ads, which particularly highlight VanDyke's gun rights stances, will run on Facebook and Instagram starting Friday.

"This NRA mouthpiece shouldn't be a judge. Vote no," one of the ads will say, referring to the National Rifle Association.

There will also be advertisements customized with the name of each senator.

Christopher Kang, Demand Justice's chief counsel, said in a statement that VanDyke "would use his lifetime judicial appointment to advance the NRA’s latest strategy — using our courts to strike down common-sense measures to prevent gun violence."

"Senators cannot claim to be horrified by mass shootings and then vote for a judge who will reject any effort to address them,” Kang added.

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Giffords managing director Robin Lloyd said in the statement that "VanDyke's pledged fealty to the gun lobby’s agenda disqualifies him from a lifetime judicial appointment."

"If the Senate cares about ensuring that the people’s elected representatives retain the ability to craft solutions to the nation’s ongoing gun violence crisis, they must vote no on VanDyke,” Lloyd said.

National Republican Senatorial Committee spokesman Nathan Brand called the ads "stunts by far-left groups working for their big dollar donors, not the American people."

“Left-wing special interests are desperate to obstruct a Republican U.S. Senate majority working to continue the best economic turnaround in U.S. history," Brand said in a statement to The Hill.

Sen. Dianne Feinstein Dianne Emiel FeinsteinHawley warns Schumer to steer clear of Catholic-based criticisms of Barrett Senate GOP set to vote on Trump's Supreme Court pick before election Trump taps Amy Coney Barrett for Supreme Court, setting up confirmation sprint MORE (D-Calif.) has previously raised questions about VanDyke's past statements on gun control, asking him about responses to a 2014 NRA questionnaire in which the senator said VanDyke answered that “Gun control laws are misdirected."

Updated: 6:20 p.m.