Roger Murtaugh's main sidearm in all four films, the Smith & Wesson Model 19.
The Smith & Wesson Model 19 is a revolver produced by Smith & Wesson on its K-frame platform. The model 19 is chambered for .357 Magnum and can fire up to 6 rounds.
It is Roger Murtaugh's primary weapon in the Lethal Weapon Series and the second most used weapon overall, after Martin Riggs' Beretta 92. Whenever Murtaugh pulls out his gun, he rolls his neck clockwise before firing at his opponent.
Lethal Weapon[]
Murtaugh first shows off his Model 19 revolver at the shooting range when on his 50th birthday, he shoots all his rounds on the target paper, then flicks the switch and whispers to himself, "Happy Birthday, Rog".
It is shown again when he is partnered with loose cannon and crazy cop Martin Riggs. Riggs quotes that Murtaugh's gun is "one of those old timers", seemingly offending Murtaugh.
After Riggs saves Len McCleary, Murtaugh gets upset at how he handled it and tests Riggs about his sanity by pointing the barrel of his Model 19 underneath his chin. Riggs moves it out of the way before he pulls the trigger.
Later at a house, Murtaugh guns down a suspect with his revolver and approaches him slowly for questioning.
Murtaugh uses his gun in combat against Shadow Company at El Mirage Lake as part of an attempted ambush in rescuing his daughter Rianne. At the club, Murtaugh takes out a couple mercenaries before he fires his lone revolver bullet at the driver of General Peter McAllister's getaway car.
Roger Murtaugh draws his weapon one last time, together with Martin Riggs as they simultaneously shoot Mr. Joshua in the chest, killing him.
Lethal Weapon 2[]
In the second installment, Murtaugh uses this weapon along with a 9mm semi auto pistol.
He is most notably seen holding it on Arjen Rudd, in the end of the movie, demanding for his surrender. However, Rudd boasts about how his "diplomatic immunity" will save his life, Murtaugh then shoots him dead with his revolver, while delivering his iconic line, "Its just been revoked".
Lethal Weapon 3[]
Despite the LAPD switching to semi automatic pistols, Roger still carries his revolver.
Murtaugh draws his Smith & Wesson Model 5906 to aid his partner Riggs when he is under fire from African American gangsters, possibly those of Tyrone.when his 9mm runs out of ammo, Roger then draws his revolver and holds it on one of the gangsters who stayed behind fires his weapon at Murtaugh, who responds by firing a few rounds through the metal shed hitting the gangster (later revealed to be Darryl Smithers).
Lethal Weapon 4[]
Murtaugh is still carrying the revolver once again as his sidearm.
When the Chinese vessel side swipes his boat, he Riggs and Leo pursue the freighter, while helping Riggs board it he shoots at one of triad henchman sending him falling into the water.
When Murtaugh comes home he walks into the front door, only to be held at gunpoint by one of the triads and his revolver is confiscated when Wah Sing Ku comes down the stairs clapping and smiling. Riggs uses his laser sight to catch the triad member holding Murtaugh at gunpoint allowing him and Lorna to gain the upper hand with Murtaugh taking back his revolver. They are forced to lower their weapons when Fan disarms Lorna and holds her at knife point by her pregnant belly. Lorna breaks free by stepping on Fan's foot as a fight breaks out.
During the climax at the foreign trade zone warehouse, Murtaugh last uses his revolver again during the shootout with the triads and the general's private army. He shoots a triad member with his revolver twice losing two bullets and only having four left. He kills more henchman off-screen now having only two rounds left.
When Murtaugh looks for Riggs he sees him fighting with Ku, Murtaugh takes aim at Ku and rolls his neck before firing his last bullet at him to which Ku dodges the bullet and it strikes his brother Michael Sing Ku in the chest instead. Murtaugh attempts to fire at Ku again but the gun instead clicks indicating that he is now out of bullets. He goes to help a dazed Riggs to his feet while holding the empty gun as they pursue Ku and Michael under a pier.
After Riggs kills Ku with an AK-47 machine gun underwater he resurfaces to call out to Roger asking if he is alright while climbing back on the broken pier only to be back underwater again when the pier collapses and falls on him pinning him to the harbor floor. Murtaugh regains consciousness and after calling out for Riggs he sees the broken off pier and comes to his senses that Riggs is underwater. He removes his suit jacket and revolver before diving in the water to rescue him.