Firecracker

The Beretta SEMP-09 submachinegun, or "Firecracker" as it is popularly known, is a low velocity design intended for use in low or zero gravity combat. The low power rounds cause no recoil issues in low gravity and a relatively little in zero gravity (it will still cause recoil induced movement, but the low recoil means a shooter can easily steady themselves with one hand or magnetic boots and not be pushed off their grip). In order to compensate for the low damage potential, the weapon fires a high explosive round. The weapon's nickname comes from firecrackers-like "pop-pop-pop" of the explosive bullets.
Newtech (x2) Submachinegun Damage d10W (armor is doubled vs HE rounds), Range 50, RoF 3/30, magazine 50, Cost 72 credits, weight 4kg.