My War was released after a long period where the band could not release any albums due to a legal dispute with Unicorn Records.
The first six songs on the a-side of My War are similar to the material on 1981's Damaged, but the three songs on the b-side proved that Black Flag was moving away from the band's early, fast-paced material. All songs on side B are played at about half the pace of the band's earlier material, each clocking in at over six minutes, and display a doomy, ominous sound indebted to Black Sabbath. My War is generally cited as being a major influence on many bands in the sludge metal and grunge genres. Two of the songs featured on the album are solely written by Chuck Dukowski ("My War" and "I Love You") though he was no longer a member of the band by this point and does not perform on the album.