Boggs is seen using a 5" barreled Smith & Wesson Model 460V revolver during the pier shootout. most notable to shoot a RPG rocket mid flight.
SIG-Sauer P226 Sport
A SIG-Sauer P226 Sport is the sidearm used by CIA agent William Cooper (Karl Urban). He is seen with the piece in various production stills.
Submachine Guns
Heckler & Koch MP5K
Victoria (Helen Mirren) uses a Heckler & Koch MP5K submachine gun with an S-E-F style trigger pack and an MP5/PDW style end cap (used to cap off other HK variants with telescoping or folding stocks).
In the kitchen shootout, Helen doesn't blink when she shoots. Previous training?
Heckler & Koch MP5A5
The Heckler & Koch MP5A5 is seen in the hands of a SWAT officer that goes to Victoria's home.
SWAT officers and Black Ops members are armed with M4A1 Carbine when show up at the house of Victoria (Helen Mirren).
M16A4 (Sporter Competition H-Bar)
An M16A4 fitted with a bipod and scope is used by Victoria.
SIG SG 552
The SIG SG 552 is seen in hands of one of the Black Ops operatives.
Machine Guns
PKM
One of the operatives that fires on Frank Moses's house appears to use an PKM.
The barrel alignment isn't right for a PKM. M60 or a MAG?-User:SargeOverkill
Browning M2HB
Victoria is seen operating a Browning M2HB at one point.
Other
M203 Standalone
Boggs is seen using a standalone M203 Grenade Launcher.
Marvin Boggs (John Malkovich) is seen jumping out from the bushes with a PSE TAC 15 which is a crossbow upper mounted on an AR-15 lower.
Hidden Cache of Weapons
Frank shows Boggs a cache of weapons that includes an M60, M1014, Remington M700 with AICS stock, H&K Mark 23, H&K UMP, FN MAG 58, Steyr AUG, RPK with a Drum magazine, and an AT4.