Why Outlet ?
This is older shaped piston.The piston end is 90 degree,so need PDI New Trigger system.
No avaialble to VSR original trigger unit.
Made of POM,CNC all machined by PDI.
For PDI Precision Cylinder or RAVEN Cylinder Set.
Spring is FAT size ,no avaialbe to TM original Spring.
If using with TM original cylinder, just feel tight fitting.
But you can use it !