Fargo and Carter call the test animals in the PX 319 Project "monkeys". They are actually adolescent chimpanzees.
When Jack, Allison and Joe leave the coffee shop, you can see on Joe's duty belt the holders for the magazines for her pistol. Joe clearly carries a Smith & Wesson revolver so the pistol magazines would not work and she has no speed loaders or other ammo on her belt for her revolver.