• Ammo mod of choice in exilus, or even Cautious Shot
• If no Primed Firestorm or Primed Bane would suggest Hammer Shot, Vigi Armaments or Heavy Caliber
• If you don't own [Primed Cryo Rounds] just use [Rime Rounds]

For corpus drop [Hunter Munitions], [Primed Cryo Rounds] and [Primed Bane Of Grineer] for [Infected Clip], [Malignant Force] and [Primed Bane Of Corpus]

For Deimos Infested drop [Hunter Munitions], [Primed Cryo Rounds] and [Primed Bane Of Grineer] for [Stormbringer], [Hammer Shot] and [Primed Bane Of Infested]