Changes

However, at the time of the [[Great Crusade]] and [[Horus Heresy]] they were common in the arsenals of all the [[Legiones Astartes]]. Originally designed as a support weapon for [[Tactical Dreadnought Armour]], the Reaper is a compact, rapid-firing autocannon which depends on the strength of Terminator armor to stabilize the weapon and cope with its massive recoil.{{Fn|1}} Reaper autocannons’ fired mass-reactive explosive shells, that were each capable of killing a [[Rhino]] armoured transport on its own.{{Fn|4}}