Sonny Wortzik (Al Pacino) uses a M1 Carbine as his main weapon during the bank robbery, sometimes handing it off to Sal when he would go to talk to the police outside. Several NYPD officers surrounding the bank also carry M1 Carbines, some with extended 30-round magazines.
Sonny and Sal's partner Stevie (Gary Springer) carries a Colt Official Police during the bank robbery but hands it to Sonny when he realizes he can't go through with it.
unidentified revolvers
The NYPD carry revolvers as they wait outside the bank for Sonny and Sal to emerge.
Winchester Model 70
Some of the NYPD officers are armed with Winchester Model 70 rifles, with and without scopes.
Colt Detective Special
Some of the NYPD officers, notably the plainclothes detectives, carry Colt Detective Specials.
gas gun
One of the men climbing up the back of the bank carries a gas gun over his back.
Stevens 520 shotgun
An NYPD uniform officer carries a Stevens 520 pumps shotgun
unidentified shotguns
Some of the NYPD officers carry shotguns during the bank siege.
unidentified rifle
An NYPD sniper aims a rifle at Sonny and Sal as they leave the bank.
Smith & Wesson snubnose revolver
FBI Agent Murphy (Lance Henriksen) draws a Smith & Wesson snubnose from a hidden compartment in the airport car in the finale.