The decision, by a vote of 6 to 3, split along ideological lines. 

https://www.politico.com/news/2024/06/14/supreme-court-nixes-ban-on-bump-stocks-for-guns-00163448?

https://www.washingtonpost.com/politics/2024/06/14/bump-stocks-supreme-court-machine-gun-bruen-cargill/