- Unseen Blade
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- Intrepid Heroic Member
I'm sure the SI can hook you up with stuff. Also, remember all the dead marines that will be around as well as weapon-pods dropped from Pelicans during the battle. There may be some left over for you to use. And there will likely be ammo crates around the city as well. I wouldn't worry about it. Also, you may get replenished ammo every time you return to the nighttime city after a flashback.