Anders Behring Breivik, the perpetrator of the 2011 Norway attacks, used a combination of firearms during his violent actions. During the first attack, a bombing in Oslo, he used a car bomb. Following that, he traveled to Utøya island, where he carried out a mass shooting.
At Utøya, he was armed with a semi-automatic rifle, specifically a Ruger Mini-14, and a pistol, a Glock 34. These firearms were used in the tragic attack that resulted in numerous casualties.
It's important to approach discussions about such events with sensitivity, considering the impact on victims and their families.