The following weapons were used in the film 22 July:

Handguns

Glock 34

Anders Behring Breivik(Anders Danielsen Lie) held a Glock 34.

Glock 34 - 9x19mm

Norwegian police officer are held a Heckler & Koch MP5.

Heckler & Koch MP5A5 with Surefire dedicated forend weaponlight - 9x19mm

ERU officer are held a MP5

Anders Behring Breivik held a Mini-14.

Black Ruger Mini-14 with 20-round magazine - 5.56x45mm

ERU Officer are held an C8 SFW.

Colt Canada C8 SFW Carbine with folding iron sights and quad-rail foregrip - 5.56x45mm

Norwegian army soldier are held an Heckler & Koch HK416.

Heckler & Koch HK416 with 14.5 inch barrel - 5.56x45mm.