The Untouchables is the 1987 feature film adaptation of the popular 1959 television series of the same name that starred Robert Stack. As in the series, the film follows the exploits of Eliot Ness (Kevin Costner), a US Treasury Agent who during the time of Prohibition was determined to take down Chicago mobster Al Capone (Robert De Niro). While the film was based on the true story, several liberties were taken in regards to the actual events. The film was directed by Brian De Palma from a screenplay by David Mamet and the cast included Andy Garcia, Charles Martin Smith and Sean Connery, who received an Academy Award for Best Supporting Actor for his role as Jimmy Malone. The film would also produce a brief television revival that premiered on the UPN Network in 1993.
The following weapons were used in the film The Untouchables:
Treasury Agent Eliot Ness (Kevin Costner) carries a Star Model B as his sidearm in the film (the pistol was used due to its resemblance to the M1911A1 and because 9mm blanks were more reliable than .45 blanks) in scenes in which he fires it. Bowtie Driver (Vito D'Ambrosio), a gangster who holds the bookkeeper Walter Payne (Jack Kehoe) from Ness and Stone in the train station holds a Star Model B to Payne's head.
Star Model B (Nickel)
Frank Nitti (Billy Drago) carries a nickel-plated Star Model B in court, which Ness uses as an excuse to kick him out.
M1911A1
Treasury agent Elliot Ness (Kevin Costner) carries an M1911A1 throughout the film in scenes in which he is not firing his weapon. Treasury accountant Oscar Wallace (Charles Martin Smith) keeps one in a shoulder holster. Several of Capone's mobsters carry them.
Revolvers
Colt Official Police
Chicago Police Officer Stone (Andy Garcia) uses a Colt Official Police while on the police academy firing range. The court officer is later seen with one which he hands off to Ness for him to chase Nitti down. What is interesting about Ness's gun is that this particular version of the Official Police is actually a Post-War gun (meaning it wasn't made until after 1950) whereas this movie takes place in the 1930s. The ramped front sight, flat hammer, and longer ejection rod cap are changes that were made after 1950. Pre-War guns would have a half moon front sight and shorter ejector rod cap.
Colt Detective Special
A nickel plated Colt Detective Special is carried by Chicago patrolman George Stone (Andy Garcia) as his backup gun, which he tosses to Ness during the train station shootout.
Colt New Service
One of the Royal Canadian Mounted Police officers is seen firing a Colt New Service while on horseback.
Smith & Wesson Model 10
A Smith & Wesson Model 10 is carried by Stone (Andy Garcia). He uses it to kill the Bowtie Driver who is holding Payne hostage at the end of the shootout in the train depot. Malone (Sean Connery) also carries one, which he infamously uses to shoot an already dead gangster. Many other Chicago policemen carry Model 10s.
Webley Mk IV
The Royal Canadian Mounted Police Captain (Robert Swan) is seen firing a Webley MK IV into the air when he prematurely launches the assault on Capone's men at the border.
Submachine Guns
Thompson M1928
Many gangsters as well as Malone and Stone use the Thompson M1928 during the film. Stone and Malone use them to great effect during the Canadian shootout. Frank Nitti notably uses one in a confrontation with Malone outside his apartment. Several Chicago Police Department officers carry these during the first raid in the film. According to the Ellis Props & Graphics NFA weapons list available on Long Mountain Outfitters' web site, there were a mix of M1921s and M1928 Thompsons used in the film.
Rifles
Winchester Model 1894
The Chicago Police Department uses Winchester Model 1894 rifles. A number of Winchester '94s can be seen in a gun rack at a police station.
M1917 Enfield
The M1917 Enfield rifle is used by the Royal Canadian Mounted Police.
Shotguns
Winchester Model 1897
The Untouchables use Winchester Model 1897 shotguns on several occasions, such as the post office raid. Several Chicago Police Department officers carry these during the first raid in the film.
Winchester Model 1912
A Winchester Model 1912 is used by Elliot Ness (Kevin Costner) during the shootout in the train station. These are also used during the shootout on the Canadian/U.S. border. Several Chicago Police Department officers carry these during the first raid in the film.
Rossi Overland sawed-off shotgun
A 12 Gauge Rossi Overland sawed-off shotgun is kept by Malone (Sean Connery) in his apartment as a "home defense" weapon. The Rossi Overland sawed-off shotgun was built by the late gunsmith Branko Wohlfahrt for Ellis Mercantile.
Other
Mk 2 hand grenade
Ness tosses a Mk 2 hand grenade over the Canadian cabin to force a gangster to run inside.