Mass Effect 3 Hints Submachine Gun Mods * Heat Sink => "Priority: Sur'Kesh" mission, Aegohr Munitions terminal in Citadel's Presidium Commons (4000 credits)
* Heat Sink => "Grissom Academy: Emergency Evacuation" side mission, "Orion Hall" objective
* Heat Sink => "Tuchanka: Bomb" mission, "Bomb" objective
* Heat Sink => "Priority: Thessia" mission, "Asari Temple" objective
* Heat Sink => "Priority: Horizon" mission, Nos Astra Sporting Goods terminal in Citadel's Presidium Commons (6000 credits)
* High Caliber Barrel => "Priority: Sur'Kesh" mission, Nos Astra Sporting Goods terminal in Citadel's Presidium Commons (4000 credits)
* High Caliber Barrel => "Attican Traverse: The Rachni" mission, "Find Tunnel Entrance" objective
* High Caliber Barrel => "Priority: The Citadel" mission (second one), Kanala Exports section of Procurement Interface terminal in Normandy's shuttle bay (6600 credits)
* High Caliber Barrel => "Arrae: Ex-Cerberus Scientists" mission, "Satellite Console" objective
* High Caliber Barrel => "Priority: Rannoch" mission, "Upper Entrance" objective
* Magazine Upgrade => "Priority: Sur'Kesh" mission, Kanala Exports terminal in Citadel's Presidium Commons (4000 credits)
* Magazine Upgrade => "Grissom Academy: Emergency Evacuation" side mission, "Cerberus Shuttles" objective
* Magazine Upgrade => "Tuchanka: Turian Platoon" mission, "Lieutenant Victus" objective
* Magazine Upgrade => "Rannoch: Admiral Koris" mission, "Geth Tower" objective
* Magazine Upgrade => "Priority: Horizon" mission, Nos Astra Sporting Goods terminal in Citadel's Presidium Commons (6000 credits)
* Scope => "Priority: Mars" mission, "Environmental Controls" objective
* Scope => "Priority: Sur'Kesh" mission, Aegohr Munitions terminal in Citadel's Presidium Commons (4000 credits)
* Scope => "Priority: Tuchanka" mission, "Dunes" objective
* Scope => "Priority: Geth Dreadnought" mission, "Console" objective
* Scope => after finishing "Rannoch: Admiral Koris" mission, Kanala Exports terminal in Citadel's Presidium Commons (6000 credits)
* Ultralight Materials => "Priority: Mars" mission, "Core Transportation Section" objective
* Ultralight Materials => "Priority: Sur'Kesh" mission, Nos Astra Sporting Goods terminal in Citadel's Presidium Commons (4000 credits)
* Ultralight Materials => "Tuchanka: Turian Platoon" mission, "Lieutenant Victus" objective
* Ultralight Materials => "Priority: The Citadel" mission (second one), Aegohr Munitions section of Procurement Interface terminal in Normandy's shuttle bay (6600 credits)
* Ultralight Materials => "Priority: Rannoch" mission, "Override" objective
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