The SIS is a .600 Nitro revolver designed for a compromise between impact energy and the ability to be carried as a sidearm. Hollow point munitions are commonly used for maximum tissue destruction. Field agents have described its performance as adequate despite being bulky and huge.

FSRD Type 5 Standard Issue Sidearm
Handgun
Abilities
Common Attributes - Mechanical
One-Handed
One-handed weapons enjoy certain advantages; namely, that they can be used while doing something else, or wielding another weapon.
EFFECT:
Two one-handed weapons can be equipped at the same time and used without having to Change Weapon (1 AP).