The Flintlock is a new gun that comes with the Zeus's Bolt Pack. Omicron can use this gun in Zeus's Bolt and Jason can use this also in Rapture Explorer Mode.
Flint- Normal Ammo
Flaming Flint- Can Burn enemies/ Put them on fire
Freezing Flint- Freezes enemies for 10 seconds
Upgrade 1: Speed Increase- Faster Firing and Faster Reloading
Upgrade 2: Shock Upgrade- Stuns enemies Randomly for 5 seconds
Upgrade 3: Damagw Increase- Adds 15 damage