A modified JG-840 with space for an extra magazine. The JG-841 "The Jimmy" is a preset variant of the JG-840 fitted with a Bandolier I. The slotted upgrade cannot be changed. The JG-841 "The Jimmy" is exactly the same as the JG-840 but has a pre-defined upgrade slot, so for specifics on the use / stats of this gun you can check the JG-840 page.
Unlocking the JG-841 "The Jimmy"
Criminals - Level 3 with Shift
Enforcers - Level 3 with Grissom