Senators rejected dueling proposals on blocking suspected terrorists from being able to buy a gun Monday, approximately a week after the deadliest mass shooting in U.S. history.

Both proposals, from Sens. John Cornyn John CornynCalls grow for Biden to expand election map in final sprint Bipartisan praise pours in after Ginsburg's death Chamber of Commerce endorses McSally for reelection MORE (R-Texas) and Dianne Feinstein Dianne Emiel FeinsteinMcConnell says Trump nominee to replace Ginsburg will get Senate vote Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence Intensifying natural disasters do little to move needle on climate efforts MORE (D-Calif.) respectively, fell short of getting the 60 votes needed to move forward. Senators also rejected two background check measures — also offered as amendments to a commerce, justice and science appropriations bill — earlier Monday.

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Democrats backed a proposal from Feinstein, which failed in a 47-53 vote.

Feinstein’s amendment would have allowed the attorney general to block the sale of a gun or explosive if there’s a “reasonable suspicion” an individual has or will be involved in a terrorist attack. It would allow the attorney general to block the sale of a gun to anyone under a terror investigation in the past five years.

Minority Leader Harry Reid Harry Mason ReidGraham signals support for confirming a Supreme Court nominee this year Trump signals he will move to replace Ginsburg 'without delay' Senate Republicans signal openness to working with Biden MORE (D-Nev.) praised the Democratic proposal earlier Monday, saying it would “close the terror loophole which allows suspected terrorists to illegally purchase weapons and explosives.”

Reid also blasted Republicans, saying they “need to put the lives of innocent Americans ahead of the NRA.”

Sens. Mark Kirk Mark Steven KirkLiberal veterans group urges Biden to name Duckworth VP On the Trail: Senate GOP hopefuls tie themselves to Trump Biden campaign releases video to explain 'what really happened in Ukraine' MORE (R-Ill.) and Kelly Ayotte Kelly Ann AyotteBottom line Bottom line Bottom Line MORE (R-N.H.), both of whom are up for reelection this year, voted with Democrats in favor of the amendment. Sen. Heidi Heitkamp Mary (Heidi) Kathryn HeitkampCentrists, progressives rally around Harris pick for VP 70 former senators propose bipartisan caucus for incumbents Susan Collins set to play pivotal role in impeachment drama MORE (N.D.) was the only Democrat to vote against it.

Republicans argue the Democratic measure is too broad and would harm Americans who aren’t tied to terrorism.

“We all agree that terrorists should not be able to purchase a weapon. That is not up for debate. Anybody who suggests that it is is simply misleading,” Cornyn said ahead of the vote. “The question before us is whether we’re going to do so in a way that’s constitutional.”

His own measure, which failed 53-47, would have allowed the attorney general to delay suspected terrorists from obtaining a gun for up to 72 hours to give the Justice Department time to investigate the prospective buyers and secure a court order to stop the transfer.

Any person investigated for possible terrorist ties within the past five years could be delayed from acquiring a firearm. The provision was added after gunman Omar Mateen — previously on a federal watchlist — killed 49 people and injured 53 others in a packed gay nightclub in Orlando.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellMomentum growing among Republicans for Supreme Court vote before Election Day Trump expects to nominate woman to replace Ginsburg next week Video of Lindsey Graham arguing against nominating a Supreme Court justice in an election year goes viral MORE (R-Ky.) urged senators to support Cornyn’s measure, saying Democrats should resist pushing “a partisan agenda or [crafting] the next 30-second campaign ad.”

“We’ve offered proposals to help connect the dots with respect to terrorist communications. We’ve offered proposals to help address the threat of lone wolf attacks like the one we saw in Orlando,” he said.

But Democrats, and some Republicans, largely rejected the Texas senator’s proposal, arguing it would tie the hands of the federal government during terrorism cases. Democratic Sens. Joe Manchin Joseph (Joe) ManchinMomentum growing among Republicans for Supreme Court vote before Election Day Gardner on court vacancy: Country needs to mourn Ginsburg 'before the politics begin' Barrett seen as a front-runner for Trump Supreme Court pick MORE (W.Va.) and Joe Donnelly Joseph (Joe) Simon DonnellyMomentum growing among Republicans for Supreme Court vote before Election Day Barrett seen as a front-runner for Trump Supreme Court pick Ex-Sen. Joe Donnelly endorses Biden MORE (Ind.) voted for Cornyn's proposal, while GOP Sens. Susan Collins Susan Margaret CollinsJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Trump supporters chant 'Fill that seat' at North Carolina rally Momentum growing among Republicans for Supreme Court vote before Election Day MORE (Maine), Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (Ariz.) and Kirk voted against it.