The Flat Man's Pack contains Pumper's Pack
and the Flat Top Valve Kit.
2021 UPDATE: The piston now features two o-rings for better
compression. Looks a lot more professional, too.
MAY 2021 UPDATE x2: A solid brass
piston is now available. It's fancier. It's heavier. It's bling that only
you know is inside...?
APRIL 2023 UPDATE:
Crosman 362 Flat Man's Pack now
APRIL 2023 UPDATE x2:
Adjustable Pistons now
So, the entire kit is the:
Brass pistons are now available!
For reference, this is the older single o-ring style.