[6] The film was produced by Solly V. Bianco, who had previously worked with Dallamano on Buffalo Bill, Hero of the Far West.

In Lazio in Italy, Dallamano shot at the gorge in Tolfa and along the Treja [it] river.

[6] Although Emilio Foriscot was the film's credited cinematographer, camera operator Sergio D'Offizi recalled that Dallamano lit and shot Bandidos entirely by himself.

[8] Arrow Video released the film alongside Massacre Time, My Name Is Pecos and And God Said to Cain as part of their Blu-ray box set Vengeance Trails: Four Classic Westerns on July 27, 2021.

[10][11] From contemporary reviews, the Monthly Film Bulletin gave the film a brief review stating that Bandidos was "marked by some largely gratuitous violence and a strident soundtrack" and that "only the device of a playing card tied to a metronome to provide a moving target for marksmanship practise strikes a spark of originality.