The disgruntled father in the opening standoff is armed with a Smith & Wesson Model 19 revolver.
Glock 21
Glock 21s are carried by Bristo Camino Police Department Officers including Jeff Talley (Bruce Willis) when in uniform.
Glock 35
A Glock 35 is used by the lead counterfeit FBI SWAT member. It is identified by its .40 caliber size barrel and long slide.
Glock 26
A Glock 26 is used by Chief Jeff Tally (Bruce Willis) as his spare rod. He keeps a rubber band tightly wrapped around the grip for a better grip on the gun. The gun is classified as a Glock 26 based on its 10+1 capacity accurately depicted.
Kimber SWAT Custom II
Chief Jeff Talley's (Bruce Willis) personal sidearm is a Kimber SWAT Custom II .45 caliber handgun. He is seen with it tucked as a belly gun in the opening standoff and uses it in the end to save his family. Clear shots can be seen showing Kimber's scripture writing on the gun. On the other side, a clear shot can be seen reading "LAPD SWAT CUSTOM", which makes sense as LAPD SWAT teams use Kimber Custom IIs.
Taurus PT92
An older-model Taurus PT92 with wood grips is used by Dennis.
Beretta 92FS variants
A tutone version of the Beretta 92FS is locked in the safe at the home, and the Inox version is used by Mars Krupchek (Ben Foster).
Note: the hammers are back on both weapons, sticking any type of M1911 variant even a kimber is dangerous and two pistols, hes asking not to have children.
Mossberg 590
A Mossberg 590 with ghost ring sights is used by Chief Tally to breach the door to enter the home. He also uses it to blow out the glass water fall to temporarily douse the flames. Fitted with Ghost Ring peep sight.
LAPD SWAT officers in the opening standoff are seen using M4A1 rifles. Also seen used by one of the fake FBI SWAT members that is set aflame by Mars.
Heckler and Koch MP5A3
Heckler and Koch MP5A3s are used by some of the fake FBI SWAT members. One is set aflame by Mars.
M40A1
M40A1s are seen used by police snipers during the opening standoff.
M40A3
M40A3 Sniper Rifles are used by police snipers to shoot out the security cameras of the house. They are identified as A3s because of their bipods, scope types, and heavy barrels.
Heckler & Koch USP Expert
One of the hostage takers is armed with an H&K USP Expert in .45 ACP and uses it to hold up Talley in his police van.
SIG-Sauer P220 Sport
One of the hostage takers is seen using a stainless SIG-Sauer P220 Sport pistol.