Each weapon type has its own range of perks. The perks for the Heavy Bolt Rifle range are listed below; ...

The Warhammer 40k Space Marine 2 Trygon update 7.0 patch notes are here, and there is truly far too much to read at once.

Heavy Bolt Rifle (Master-Crafted - Alpha) Heavy Bolt Rifle (Master-Crafted - Beta) Heavy Bolt Rifle (Salvation of Bakka - Beta) Heavy Bolt Rifle (Salvation of Bakka - Beta) ...