Quoted from billsfanmd:My T2 gun trigger the little pin slowly pulls back into the handle or sometimes not at all.....Guessing its an old or broken spring? part number or equivalent spring?
THx
(it may just need to be torn down, cleaned & the pin re-lubed)
Exploded diagram is in parts manual on Planetary Pinball:
http://www.planetarypinball.com/reference/partsmanuals/WMS_Parts_Red_16-9190-B/index.html#/504/
And spring is on Marco's site:
https://www.marcospecialties.com/pinball-parts/10-304