On April 16, 2017, the band announced that their drummer Ron Lipnicki would miss the European tour due to a family emergency, and that he would be replaced by Eddy Garcia, which was later confirmed to be a "personal issue" from Lipnicki. On August 13, 2016, The Grinding Wheel was announced as the name of the album, and Ellsworth said that the band was "looking for a first-week-of-November release"; however, the album's release date was pushed back to February 10, 2017. The Grinding Wheel was another successful album for Overkill; it reached at number 69 on the Billboard 200, making it the band's second-highest chart position behind White Devil Armory. To support the album, Overkill toured North America with Nile, and supported former Sepultura members Max and Igor Cavalera in Europe on the Return to Roots tour. They also headlined the 2017 edition of the Metal Alliance Tour, supported by Crowbar, Havok, Black Fast and Invidia. Jason Bittner-era (2017–present) On May 4, 2017, Overkill announced that Jason Bittner (Shadows Fall and formerly of Flotsam and Jetsam) had replaced Lipnicki as the drummer of the band. Lipnicki later went on to join Whiplash. On February 9, 2018, Overkill announced that they were in the studio working on demos for their nineteenth studio album. Pre-production of the album began that April, and Ellsworth announced that it would be released in February 2019. On June 1, 2018, the band announced that they had begun recording the album. During an interview with Eddie Trunk on Trunk Nation on October 10, 2018, bassist D.D. Verni announced that the album was finished; he was quoted as saying, "I just got the final sequencing and all that, so that's all buttoned up. We're working on the cover now. We still don't have a title — we're gonna have to come up with that soon — but we have a lot of things floating around. And the new release will probably be in February." On November 28, 2018, Overkill announced that the album was titled The Wings of War and would be released on February 22, 2019. The band promoted the album by headlining the 2019 edition of the Killfest Tour, supported by Destruction, Flotsam and Jetsam and Meshiaak, touring North America in the spring with Death Angel and Mothership, and performing at Megadeth's first-ever MegaCruise in the Pacific Ocean that October. They continued to tour in support