The song was released by Island Records on December 18, 2020, as the lead single from Posner's fourth solo studio album, Operation: Wake Up (2020).
"Weaponry" is a reworking of the song "A Lover and a Memory", from Steve Aoki's 2018 album Neon Future III.
[1] Mike Wass, writing for Idolator, described the song as a "deeply emotional mid-tempo ballad.
"[3] The music video was released on YouTube on December 18, 2020,[4] and directed by Eric Maldin.
[5] The video shows that a woman played by American actress Stephanie Pearson tearfully stares at Posner painfully shaving his own hair with a hair trimmer in a white-painted room, cutting himself several times in the process.