The Senate Judiciary Committee will hold a hearing on rules regulating firearm accessories and the national background check system in the wake of mass shootings in Texas and Las Vegas.

Sen. Chuck Grassley Charles (Chuck) Ernest GrassleySenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE's (R-Iowa) office announced on Tuesday that they will hold a hearing in one week on "firearm accessory regulation and enforcing federal and state reporting to the National Instant Criminal Background Check System (NICS)."

The formal announcement comes after a spokesman for the Iowa Republican told The Hill on Monday that the Senate panel would hold a hearing on bump stocks, a device that can simulate automatic gunfire with a semi-automatic weapon.

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Lawmakers have honed in on bump stocks after a mass shooting at a country music festival in Las Vegas, where nearly 60 people were killed and more than 500 others were injured.

Authorities have said a dozen of the rifles used by the suspect, 64-year-old Stephen Paddock, had been modified with bump stocks.

Meanwhile, senators are also mulling legislation to try to strengthen NICS in the wake of this week's shooting at First Baptist Church in Sutherland Springs, Texas.

Devin Kelley, the identified gunman, received a “bad conduct” discharge from the Air Force after being court-martialed on a domestic violence charge. Kelley’s court-martial conviction should have been reported to the FBI’s database and could have made it harder for him to purchase a gun legally.

But Air Force officials on Monday said the Holloman Air Force Base Office of Special Investigation did not enter Kelley’s information into the system.

Sen. 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), a member of the Judiciary Committee, said earlier Tuesday that he will introduce legislation to strengthen information sharing with NICS.

And Sens. Jeff Flake (R-Ariz.) and Martin Heinrich Martin Trevor HeinrichSenate Democrats demand White House fire controversial head of public lands agency Senate Democrats seek removal of controversial public lands head after nomination withdrawal Five takeaways from final Senate Intel Russia report MORE (D-N.M.) are working on legislation to require that the military report domestic violence convictions to the national background check system.

Sen. John McCain John Sidney McCainMomentum growing among Republicans for Supreme Court vote before Election Day McConnell urges GOP senators to 'keep your powder dry' on Supreme Court vacancy McSally says current Senate should vote on Trump nominee MORE (R-Ariz.), chairman of the Armed Services Committee, separately told reporters that he will hold a hearing on the Air Force's failure to report the conviction to the background check system, according to Stars and Stripes.