Rep. Lucy McBath won a member-versus-member Democratic primary in Georgia on Tuesday, a victory for the progressive faction of the party in a key swing state. McBath was projected to clear a "50% +1 vote" threshold to avoid a runoff election.

For McBath, who became a gun control activist after the death of her son, her signature issue was again in the national spotlight on the same day as her primary victory after a mass shooting at an Uvalde, Texas, elementary school that reportedly left at least 18 children and two adults dead, as well as the gunman.

After Georgia’s Republican-led redistricting process, McBath announced she would vacate her 6th District seat to run in the neighboring and newly drawn 7th District instead, which is a friendlier district for Democrats. Her fellow Democratic Rep. Carolyn Bourdeaux, the district’s incumbent, also ran for reelection to the seat. Both congresswomen previously flipped their current seats in suburban Atlanta from Republican lawmakers.

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McBath was elected in 2018 after becoming a gun control advocate. At the time, her victory was an upset over Republican incumbent Karen Handel. In her current race, she had the backing of Michael Bloomberg’s gun control group Everytown for Gun Safety, which reportedly spent $1 million on an ad buy in support of her campaign.

Bourdeaux, a member of the centrist Problem Solvers Caucus, ran a more middle-of-the-road campaign than the progressive McBath, and their primary mirrored similar divisions between factions of the wider Democratic Party. Bourdeaux was criticized by some activists for not fully embracing President Joe Biden's Build Back Better agenda, but Bourdeaux said she had a record of working on issues important to Democratic voters and to the district, including the bipartisan infrastructure bill.

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The new 7th District is considered a safe Democratic seat, meaning McBath will likely be elected to another term in Congress in the fall. The primary follows a House Republican member-versus-member primary in West Virginia in which Rep. Alex Mooney defeated Rep. David McKinley.