The R-Z0 retractable double blaster cannon was mentioned in Starship Fact File: Lambda-class shuttle, an article in issue 22 of the magazine series Star Wars: Build the Millennium Falcon, which was published on June 3, 2015 Prior to its introduction into the new Canon, it was non-canonically introduced into the Legends continuity via the 2010 LEGO Star Wars Ultimate Collector's Series set 10212 Imperial Shuttle, as the R-Z0 twin blaster cannon.
The R-Z0 retractable double blaster cannon was mentioned in Starship Fact File: Lambda-class shuttle, an article in issue 22 of the magazine series Star Wars: Build the Millennium Falcon, which was published on June 3, 2015 Prior to its introduction into the new Canon, it was non-canonically introduced into the Legends continuity via the 2010 LEGO Star Wars Ultimate Collector's Series set 10212 Imperial Shuttle, as the R-Z0 twin blaster cannon.