The Flat Man's Pack contains Pumper's Pack and the Flat Top Valve Kit.

MAY 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 available.

APRIL 2023 UPDATE x2: Adjustable Pistons now available.

• Power Hammer Spring (part of the Pumper's Pack)
• Max Flow Exhaust Bushing (the other half of the Pumper's Pack)
• Flat Top Valve
• Flat Top Piston
• It is my complete performance kit for the Crosman pumpers available at a discounted price versus buying the parts individually.

Brass pistons are now available!

For reference, this is the older single o-ring style.

brass flat valve