Heavy is another of the classes that is very strong, as it is the "tank" of the classes, along with Bulwark. ... be it the heavy Boltgun or the awesome Melta rifle.

Not only is the Heavy Bolter the most badass weapon in Space Marine 2, it's also one of the best. In the campaign, you can pick them up occasionally to help thin out a horde.

Here's your look at the Melta Rifle as the latest Warhammer 40,000: Space Marine 2 trailer showcases this close-range weapon in action. Check out the trailer to learn the best use of the Melta ...

Speaking of weapons, the Multi-Melta rifle is unique to the Heavy class, and it's excellent at taking out multiple enemies with a single shot.

Overall, the Melta Rifle is the best option as a primary weapon, but you need to have perks like Emperor’s Revenge before you make the switch. How To Use the Tactical Build in Space Marine 2.