Mystic River

The following guns were used in the film Mystic River:

Mystic River (2003)

WARNING: SPOILERS

Ithaca 37

The owner of Looney Liquors shows an Ithaca 37 with the stock sawed off to Trooper Sean Devine (Kevin Bacon) and Sergeant Whitey Powers (Laurence Fishburne) when describing a robbery.

Ithaca 37 - 12 Gauge.

The liquor store owner grabs his Ithaca 37 out from under the counter.

Sgt. Powers reaches for the barrel of the Ithaca 37 as the owner recklessly flags Trooper Devine with it.

Colt Official Police

In the film the revolver is called a ".38 Smith" by the police investigators but is actually a Colt Official Police. It is used by "Just Ray" Harris in the robbery of Looney Liquors and used by his mute son, "Silent Ray" (Spencer Treat Clark) and his friend John O'Shea (Andrew Mackin) to kill Katie Markum (Emmy Rossum).

Colt Official Police - .38spl.

Brendan Harris (Tom Guiry) shows the empty leather Bianchi holster to Silent Ray Harris when he wants to find their revolver.

John O'Shea (Andrew Mackin) turns out to have stolen the revolver, which is revealed to be a Colt Official Police.

John holds the Colt Official Police on Devine and Powers. Note how he keeps both finger wrapped on the trigger, an amateur mistake.

SIG-Sauer P226

Being the standard weapon of the Massachusetts State Police, Sean Devine (Kevin Bacon) carries a SIG-Sauer P226 as his sidearm in the film. He begins to unholster it when he and Sergeant Powers (Laurence Fishburne) burst into the Harris home and are confronted by John O'Shea (Andrew Mackin) holding a Colt Official Police.

SIG-Sauer P226 - 9mm.

Devine with his SIG-Sauer P226 in his holster.

Devine begins to draw his SIG-Sauer P226 when confronted by John O'Shea.

Ruger KP90

A Ruger KP90 is used by Jimmy Markum (Sean Penn) to kill Dave Boyle (Tim Robbins) when he wrongfully suspects him of killing his daughter.

Ruger KP90 - .45 ACP.

One of Jimmy's lackies hands him a Ruger KP90.

Jimmy examines the Ruger KP90.

Jimmy shoots Dave by the river.

M14

A poster explaining the schematics of an M14 Rifle is seen in the police ballistics analyst room.

M14 - 7.62x51mm NATO.

File:MRM14-1.jpg

A poster of an M14 is seen on the wall to the right.

The magazine is slightly cirved, it is probably a Mini-14

Oh yeah, maybe you're right. I just figured it was an M14 with a 30-round mag. - Gunmaster45

Flintlock Rifles

The people in the parade at the end of the film are seen holding unknown flintlock rifles likely in honor of the Revolutionary War, a commonly celebrated event in Boston.

Bostom patriots march in a parade with tri-corned hats and flintlock rifles.