Talk:Enemy Vulnerabilities/@comment-205.250.165.124-20131007121824/@comment-11753608-20131008001429

yeah, if you are using shotguns, then rifle amp obviously looses effectiveness. Also, if you see my conversation with the individual below, if you are using weapons like Soma and Supra, make sure that you give Armor Piercing mods preference over everything else, including serration. I explain the math of this below.

That said, if you are using weapons like that - low base damage that does not ignore armor - then corrosive projection is going to have much more effectiveness than rifle amp anyway. Rifle amp is only a percentage of the base damage of the weapon, so if you are using a low base damage weapon like Soma or Supra, its not going to be so hot and mitigating armor with CP is going to be much more fruitful. So, like I said, every weapon is going to have its own tipping point and so is each mob based - its the balance between base damage and armor value that determines which mod will be more effective at what point.

Also, keep in mind that for corpus, shield disruption may have more long term beneficial effects than CP (and maybe also rifle amp using the same rationale above).

In terms of ammo efficiency, that is based on a ton of factors.

If you gave me a specific loadout that even one of you is using - gun, mods, faction, and enemy level - I could walk you through the math so you get an idea as to what I am talking about.