The Colorado Republican Party on Tuesday halted an effort to recall Democratic state Rep. Tom Sullivan over his support for a so-called red flag gun bill.

"2020 is the year to oust him, with the support of voters who now know how extreme he is," Colorado GOP Vice Chairwoman Kristi Burton-Brown wrote on Facebook.

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"The best strategies are unified strategies and, in order to accomplish the most good in the shortest time, we have decided to pull essential resources from this recall and free up volunteers to help finish the National Popular Vote petition effort and to focus on recalling Democrat Senators who are not up for re-election in 2020," she wrote.

Sullivan was a sponsor of a bill signed by Gov. Jared Polis Jared Schutz PolisMore than 1,000 gather at Colorado racetrack to protest governor's coronavirus orders Over 300 LGBT leaders endorse Biden for president : 'The most pro-equality ticket in US history' Colorado GOP lawmaker, Michelle Malkin sue governor over coronavirus orders MORE (D) in April allowing law enforcement officials to seize firearms from people who are viewed as threats.

Sullivan, whose son died in a mass shooting in the state, played a key role in the bill's passage through Colorado's legislature.

Democrats had mobilized in recent weeks to support him, raising more than $100,000 for the potential recall.

When reached to about the recall effort ending, Sullivan told Fox's Denver affiliate KDVR that he "was just about to go put on his walking shoes" to go knock on doors.

"I can rest today," he said.