The Callisto Protocol

Hand Cannon Upgrades and How to Get

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The BI-55 Pistol “Hand Cannon” is a Sidearm weapon in the Callisto Protocol. Read on to learn more about the Hand Cannon including how to get this weapon, a complete list of all upgrades, as well as how to use it effectively.

Hand Cannon General Info

Hand Cannon
Hand Cannon
A custom - and powerful - service pistol configuration unique to Black Iron. Based on the UJC Modular Weapons Platform.
Type Sidearm
Acquisition Type Printed at the Reforge Station
Print Price 800 Credits
Base Ammo Capacity 6

All Hand Cannon Upgrades

Weapon Upgrade Pre-Requisite Credits
Effect
Stability Upgrade None 200 Credits
Reduces weapon recoil.
High Capacity Magazine Upgrade Stability Upgrade 200 Credits
Increases ammo capacity of the BI-55 Pistol.
Magnum Rounds Damage Upgrade Stability Upgrade 600 Credits
Increases the damage of the BI-55 Pistol.
TK23 "Boom Bullets" Magnum Rounds Damage Upgrade 1800 Credits
Adds alt-fire module that fires explosive rounds. Rounds explode on a delay after impact.

How to Get the Hand Cannon

Obtained During the Aftermath Story Chapter

The Callisto Protocol - How to Get the Pistol

Players will be able to get the Hand Cannon during the opening stages of Aftermath. Once Elias hands you the blueprint of the gun, you will be able to purchase it for 800 Credits at the nearby Reforge Station.

Aftermath Walkthrough and Implant Bio Locations

Unlocks the Paper Jams Achievement

Paper Jams Achievement

Spending 800 Credits to print the Hand Cannon will unlock the Paper Jams achievement for the player. This achievement is tied to story progression so it should be one of the easiest to get.

Trophy List and Achievement Guide

How to Use the Hand Cannon


Used to Perform Ranged Attacks

Acquiring the Hand Cannon will unlock the ranged attack option for players. To perform a ranged attack, hold down the aim button (RMB on PC) and shoot by pressing the attack button (LMB on PC).

Note: Jacob's default attack will always be a melee attack as there is no option to hip-fire in this game. Keep this in mind as the controls get a bit confusing especially if you're getting mobbed by enemies.

Can be Used for Quick-Shot Combos

The Hand Cannon can also be used to round out a melee combo using the Quick-Shot targeting system. Get that extra hit in by waiting until the indicator shows up, before aiming and shooting (RMB + LMB on PC) to perform a Quick Shot.

The Callisto Protocol Related Guides

Callisto Protocol - List of Weapons Partial

List of Weapons

All Melee Weapons

Melee Weapons
ShivShiv CrowbarCrowbar Stun BatonStun Baton

All Ranged Weapons

Ranged Weapons
BI-55 Pistol Hand CannonHand Cannon GRPGRP Skunk GunSkunk Gun
Riot GunRiot Gun Tactical PistolTactical Pistol Assault RifleAssault Rifle

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