If you don't have one of these your tippmann won't work at all. It is always good to have a spare. **This is the drive spring only. The pin is sold seperately. 4 3/8" length fits all tippmann 98's...
The Tech T Hair Pin Trigger Kit is designed to make the trigger of any Tippmann respond faster to a trigger pull, require less force to release the hammer, and make the over all feel of the trigger...