The MB-150 is the IPCA's sniper rifle, in an experimental phase of development, and it is also Gabe Logan's most useful weapon. It appears in Syphon Filter: Dark Mirror and Syphon Filter: Logan's Shadow. Lian Xing is armed with a modification, the VSS Special, in the former, and Teresa Lipan also uses it in a bonus mission in the latter. Touchstone steals it and uses it against Gabe in Episode 6, Part 2 in Dark Mirror. It has the ability to fire specialized darts that can be triggered by the user at any time. Types of darts are: