Hewitt (Mark Pellegrino) uses his Heckler & Koch USP Pistol (9x19mm) when transporting Aaron Hallam (Benicio Del Toro), however he loses the pistol when Hallam forces a van crash.
SIG-Sauer P228
Carried by FBI Special Agent Bobby Moret (Jose Zuniga).
SIG-Sauer GSR
Special Agent in Charge Harry Van Zandt (Ron Canada) carries what appears to be a SIG-Sauer GSR. Though not sure when the GSR came out. It may be just another custom M1911. MPM
Unknown pistol
SIG P226?????
Unknown pistol
AKM
Standard AKMs are used by the Serbian Soldiers.
AK-47
What appears to be standard AK-47s or Type 56 rifles are also used. They are identified by their wider front sight, flat sided front foregrip and downward slope of their buttstocks - 7.62x39mm
RPD Light Machine Gun
One of the Serbian Soldiers is seen using an RPD Light Machine Gun - 7.62x39mm
AKMSU
Serbian soldiers use AKMSU short assault rifles to massacre Albanian villagers during the Kosovo Battle. They should be using Crvena Zastava M92s which is the Yugo AKMSU, however, these appear to be armorer build ups using Krinkov parts. The movie weapons would be identical to AK74U Krinkovs if it weren't for the 7.62x39mm magazines.
Yugo SKS
M4A1 w/ M203 Grenade Launcher
An M4A1 with M203 Grenade launcher (old style) is used by Covert Operative Hewitt (Mark Pellegrino) on a mission with Aaron Hallam (Benicio Del Toro) in Kosovo - 5.56x45mm/40mm.
M4 Carbine
Used by FBI HRT/SWAT teams in Portland Oregon. They have the standard fore ends with no rails or vertical grips.
DSA SA58 OSW
Heckler & Koch MP5A3
Used by FBI HRT/SWAT teams in Portland Oregon. They have the Surefire light fore ends.