This is a TIE Silencer, full name TIE/VN Space Strength Fighter. Produced by Sienar-Jaemus Fleet Systems, including laser guns and missile launchers.
In Star Wars: The Last Jedi, Kylo Ren drove. Lego 75179, the Kylo Ren's TIE Firer, was launched in 2017 as a Star Wars collection of 630 parts, 4 individual children。