A bi-tone Heckler & Koch USP was used by Daniel Graystone and the Zoe Avatar in the U-87 Cylon body in Season One, Episode Seven, "Ghosts in the Machine."
In Season One, Episode Seven, "Ghosts in the Machine", Heracles is seen carrying a Walther P-38 into New Cap City. Joseph Adama calls it a "small gun."
An SA-80 can be seen in the hands of a Caprican police officer at the memorial to the maglev bombing in the Season One, Episode One, "Rebirth." The SA-80 was previously shown in Battlestar Galactica to be the standard-issue assault rifle of the Colonial Armed Forces.
An unknown kind of assault rifle (probably a mock-up created by the studio armorer) being repeatedly stripped and re-assembled by the Zoe Avatar in the U-87 Cylon body in Season One, Episode Seven, "Ghosts in the Machine."
