Firefly was a science fiction series that aired for one season from 2002-2003 on the FOX network. Created by Joss Whedon, the series starred Nathan Fillion as the captain of a firefly class spaceship known as "Serenity", whose crew travels through a distant solar system making a rough living on frontier planets while fighting various adversaries. The series mixed the "space opera" genre with certain elements of the Western, thus the mix of American Western weaponry with the more modern firepower. The series' plot would continue in the 2005 feature film Serenity.
The following guns were used in the television series Firefly:
Lawrence Dobson, an Alliance Spy that comes onto Serenity, carries an Astra 400.
SIG-Sauer P220 Sport
Lawrence Dobson gets a SIG-Sauer P220 Sport out from his bag after he knocks out Book, which is used to threaten both Kaylee and River. Jayne (Adam Baldwin) either has an identical pistol in his room or stole it from him after the pilot.
Vektor CP1
Laurence Dobson also gets a Vektor CP1 from his bag after he knocks out Book, and it is later used by Simon to threaten the spy.
Wildey Magnum
A .475 Wildey Magnum is seen in the hands of one of Badger's men and also in the hands of an angry drunk at a bar Mal decided to start a fight in.
Colt M1911A1
Badger's type writer who apparently is typing the conversation in the room had a stainless M1911A1 when the room became heated.
Two ornate Walther PPK pistols, one gold-plated and the other nickel-plated with pearl grips, are seen in a box owned by Nandi in Heart of Gold. Nandi called it the gold one "Chaplin".
Desert Eagle Mark VII
In Objects in Space River got hold of a Desert Eagle Mark VII, fully loaded and safety off, but no round chambered as Mal had confirmed. It was never fully explained how she obtained it, as it was supposedly locked in Jayne's (Adam Baldwin) room.
Ruger Mk II Pistol
A Ruger Mk II Pistol is used by Inara in the episode Trash, only when YoSaffBridge is rifling through the trash for the Lasiter, which Inara has. Malcolm was also seen preparing one in Heart of Gold.
Note of interest. In the original teleplay, Inara's gun was originally called a "Lugar".
Colt Python
Walsh's personal sidearm is the Colt Python. Alan Tudyk said he thought it was Colt Cobra in the commentary to War Stories.
Glock 17
In the hands of an angry drinker and a corrupt cop. Simon carries the Glock 17L variant with a optics rail and an under-barrel laser-sight attached to it during the assault on the Skyplex.
Smith & Wesson Model 15
A Smith & Wesson Model 15 is seen in Heart of Gold, this ornate, gold-plated revolver with ivory grips was Nandi's favorite gun, who said it had a history of "violence and crime." At the end of the episode, Petaline uses it to kill Rance Burgess, the father of her child and Nandi's killer.
Beretta 92FS
A reverse two tone Beretta 92FS was seen in the hands of an Alliance officer in Bushwacked.
Seen in the hands of one of Niskas Skyplex guards in War Stories. Book also carried a longer carbine verison of this when he helped assault the Skyplex. Jayne also has one on his gun rack in his room.
Jayne (Adam Baldwin) carried a SIG-Sauer P229 with stainless-steel slide during the assault on the Skyplex in War Stories. Interesting note: John Casey, Adam Baldwin's character in Chuck, also carries a SIG-Sauer P229.
Firestar M-45 with Custom Longslide
The handgun River took from a frightened Kaylee (Jewel Staite) to shoot the 3 Skyplex guards before stating "No power in the verse can stop me."
LWS Seecamp
In Shindig party guest William Cortland gives up his Seecamp.
Heckler & Koch VP70
In the episode "The Message," Mal and Zoe's old war buddy Tracey sees a Heckler & Koch VP70 on the bridge and uses it to hold off the crew.
Rifles
Heckler & Koch G36K
In the battle of Serenity Valley, The 'Browncoats' carry Heckler & Koch G36K rifles.
L85A1
During the battle of Serenity Valley, and across the episodes, such as 'The Train Job' the Alliance Soldiers Carry L85A1 rifles. A few are also seen in the hands of Browncoats in war sequences, most notably Bendis in the Serenity Valley scene.
In the pilot, the Blaser R93 LRS2 Sniper rifle is held by a sniper at the meeting on Whitefall, who Jayne Cobb knocks out and uses the rifle against Patience's men (starting with Two-Fry's hat). They were also seen use by the team that kidnapped Mal and Wash in "War Stories", where they are referred to as "54R" sniper rifles.
AKMSU
The AKMSU is seen in the Episode Heart of Gold By one of Burgess' soldiers.
Flux Colt XM177E2
The Flux Colt XM177E2 shown has A2 sights, a delta ring retaining the hand guards, A2 re-inforcements on the lower, a 5.5" flash suppressor, and a round forward assist so it's not the 1960's vintage XM carbine in the title but closer to a cobbled together '90s carbine like this one
AKM
An AKM is carried by Burgess's horseback riding henchmen in episode "Heart of Gold", It has a slanted muzzle brake,
M1 Carbine
The M1 Carbine is seen in the hands of one of Burgess' soldiers in Heart of Gold
M4A1
An M4A1 is seen in the hands of Browncoats during the war.
FAMAS
The FAMAS is seen in the hands of Malcom during the battle of Serenity valley. He then drops it and picks up a G36K to capture an AA gun. Zoe in a scene also carried a FAMAS but it changed to a G36K when she started shooting.
Seen in the hands of one of Niskas Skyplex guards in War Stories. Also seen in the hands of one of Badger's men, and one of Patience's henchmen in the pilot.
An MP5K PDW w/ the stock folded is seen in Heart of Gold by one of Burgess' soldiers as well as in the hands of one of Niskas Skyplex guards in War Stories.
Seen in the hands of one of Burgess' soldiers in Heart of Gold as well as in the hands of one of Niskas Skyplex guards in War Stories
Shotguns
Callahan Fullbore Autolock "Vera"
A Modified Izhmash Saiga-12 shotgun used by Jayne (Adam Baldwin). The weapon was built by Gunsmiths Larry Zanoff and the late Jim Boland for the movie Showtime then used on Firefly. It is capable of folding into compact form and still be fireable. Technically it's a shotgun, but in the show, it is a rifle that fires big bullets.
Ruger MkIII, Jericho 941 w/ a stainless finish, some FABARM shotgun, I think that the closest handgun is a Springfield XD, one of his many shotguns is a Winchester 1300.
The farthest gun, based on the muzzle break thing looks like VERA to me. The closest gun, to me, looks like a Ruger semi-auto. A p-89 maybe. I also see a Ithaca stakeout with a pistol grip in there.
Wildey Magnum, a Mossberg Persuader of some sort, A Blaser R93, 37mm Tru-Flite Police Tear Gas Gun appears again in the centre, I think I see a Smith and Wesson 629 Performance Center model,