• Iceberg (mail-in variant, 1986)
• Rock-Viper (1990)

Re-used Mold: A black version of the rifle was available with Crimson Guard Commander, Headhunter Stormtroopers, and Balrog (1993); a red version of the rifle was available with Cobra Eel (v3) (1993) and Major Bludd (v3) (1994); a purple version of the rifle was available with Blanka (1993); a much darker purple version of the rifle was available with Metal-Head (v2) (1994); a yellow version of the rifle was available with Mega-Viper (1993); a silver version of the rifle was available with Cobra Commander (v6) (1993); a maroon version of the rifle was available with Gristle (1993); a gray version of the rifle was available with Cyber-Viper (1993); an orange version of the rifle was available with Astro Viper (v2) (1993); a green version of the rifle was available with H.E.A.T.Viper (v2) (1993); and a pink version of the rifle was available with T.A.R.G.A.T. (v2) (1993).