A tu-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."
A pair of Colt Python revolvers are carried by Joseph Adama and Emmanuelle into the burlesque club in Season One, Episode Seven, "Ghosts in the Machine."
A Hungarian KGP-9 carbine 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." It has been dressed up by the show's armorers to resemble a weapon consistent with the Cylon design aesthetic.
Several Heckler & Koch MP5A3 submachine guns were carried by Global Defense Department operators in news footage in Season One, Episode Two, "Rebirth."
H&K MP5A3 w/ Surefire 628 dedicated forend weaponlight - 9x19mmError creating thumbnail: File missingMP5 submachine guns carried by Global Defense Department operators.
Sterling L2A3 sub-machine guns were seen in the of players in the V-world game New Cap City. Sterling L2A3s were also seen in the hands of Soldiers of the One guards protecting the Church on Gemenon.
An L85A1 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 L85A1 was previously shown in Battlestar Galactica to be the standard-issue assault rifle of the Colonial Armed Forces with L85A1's being seen in the hands of a Colonial Fleet honour guard at Zak Adama's funeral in Season 1 and in the hands of Samuel Anders' resistance fighters on Caprica in Season 2.