The Sicarus fires 3-round bursts, which provide a balance between the lethality of auto-pistols and the accuracy of semi-automatic pistols.
The Sicarus Prime is an improved Sicarus that sacrifices nearly half of its Impact damage to double Puncture and Slash damage, and also sports higher accuracy, faster fire rate, and a larger magazine compared to its predecessor.
Due to its high accuracy, when combined with the Steady Hands mod this weapon becomes powerful at long range.
The lower Impact damage of Sicarus Prime makes individual shots mildly less effective against shields, but the improved fire rate and magazine size still make it a superior choice to the classic Sicarus.
Though not necessary, one can install either a combination of a maxed Ice Storm and a level 2 Slip Magazine to fulfill a 30 magazine capacity or a single level 0 Slip Magazine to produce a 21 magazine capacity, in order to prevent the last burst to lack a single bullet. As of Update 15.16, the Sicarus Prime now has 21 rounds per magazine by default.
The reload animation involves the front half of the barrel sliding forward, and the two side brackets opening outwards. A glowing capsule is then ejected and a new one is placed into the barrel before it is closed again.
The capsule's energy color is affected by energy color.
Compared to the normal Sicarus, the Sicarus Prime has a high pitch "whirring" sound at the end of its burst, suggesting the rounds to be energy based.