The Mark II-PX is a Railgun pistol model, experimental. The weapon is only the 2nd generation put into even limited production. It fires its ammunition at approximately Mach 5.5, while it files rounds in faster succession than the larger Mark IX Railgun but it has a more limited effective range and slower projectiles due to the shorter length of magnetic field coils.
Ammunition
The weapon uses a cartilage to store ammunition, each clip holds 250 rounds. Standard rounds at 5mm x 15mm tapered at the base to a point at the nose. These are composed of depleted uranium cores with an iron coating.