Firearms are one of the most common weapons in the Filthy Frank Omniverse. they are known to be the weakest weapons in the Universe. However, it was proven by Jamal that a stapler is a very good alternative to a firearm if you know how use it properly. Here's a brief list of firearms seen in The Filthy Frank Show.
Beretta 92Beretta 92 is used by Pink Guy durning his confrontation with Nazi Cunt
P228 is used by Real Frank
Frank with his P228Real Frank also uses Walther P99 pistol sometimes
USPPookie and Dr.Sack use HK USP pistols as their sidearms
Glock 17Fake Frank shoots Glock at "Flithy Frank vs Chin-Chin"
E.T uses Deagle against Chin-Chin. Frank also used it to kill himself in order to find Dade. Kyle also used it in an attempt to kill The Filipino. Captain Falcon also used it in an attempt to shoot Pink Guy. Both Pink Guh and Captain Falcon have licked one during their friendship.
Famas G2Chin-Chin's servant named Floggy uses G2 to kill Nigger Faggot
Winchester model 1200Real Frank uses 1200 to kill Drone Girlfriend
Nazi Cunt used the Mauser C96
Both Frank and Pink Guy used the Mossberg shotgun.
Pink Guy used the M4 Carbine to kill Captain Falcon. An unknown brown lycra was also seen wielding it. An Almond Titties entity along with Steve Buscemi have also used it to shoot Pink Guy on the floor.