In the pilot episode, this gun is in drug dealer, Krazy 8's possession. Not long after, Walt becomes its new owner before Jesse disposes of it in the following episode.
Tuco uses a Jericho 941 with a stainless finish as his sidearm. Jesse takes it from him while they are fighting on the ground and uses it to wound him. It is later buried in the desert.
Hank Schrader shows off this pistol during the party in the first episode. He uses it in his shootout with Tuco in the episode "Grilled" of season two. It can be seen occasionally throughout season two and three
This is the revolver purchased by Jesse. He uses it to intimidate an unnamed female junkie and her husband, Spooge after they rip-off one of Jesse's dealers.
Walter White purchases a Ruger LCR from an illegal arms dealer along with a leather I.W.B. holster in S4E2 "Thirty-Eight Snub". The arms dealer recommends he load it with 158 grain hollow points for good stopping power, and also recommends he not cross draw unless he is sitting down.
Jesse buys and plans to use a Beretta Cheetah to take revenge on drug dealers who killed his friend, but he never fires it as Walt intervenes with his car.
The M4 Carbine is carried by Tuco when he takes Walt and Jesse hostage. Walt later takes this weapon from him when Tuco is bashed over the head with a rock by Jesse. However, Tuco gets it out of the car when DEA agent Hank, who is also Walt's brother-in-law, arrives at Tuco's hideout. DEA agents also use M4A1s when they arrest Jesse in 'Bit By a Dead Bee' It is also seen in the music video for "Negro y Azul". Two are in the video, one lying on the ground and another propped up against a pickup truck with a telescopic sight and underslung grenade/flare launcher mounted.
A music video appears in the Season 2 episode "Negro Y Azul" (Spainish for black and blue). A multitude of weapons appear in the video.
Unknown Revolver
An unknown Smith & Wesson model revolver can be seen in the "Negro Y Azul" music video. It is sitting next to several bags of the Walt's signature blue meth.
