In the grimdark future of 40k, there is only war. As such, you're gonna need some weapons. Games Workshop is looking over the weaponry of the Adeptus Mechanicus and how they've changed over time.
From the article:
Warhammer 40,000 is full of cool and characterful guns, from the humble lasgun and the iconic bolter to the weird and wonderful weapons used by xenos species and Chaos forces.
Among the armies of the Imperium, the Adeptus Mechanicus have more than their fair share of awesome guns, and their new codex has made many of these deadlier – and more fitting of their tremendous background – than ever before. Let’s take a look at some of the key improvements.