Well, after Email and phone conversations with Daisy Outdoors, which owns Winchester Air Rifles, I made some headway. They finally Emailed a parts diagram and list. Even though the only, " parts" they have for sale are the bipod mounting screws?! Which is quite odd, as they sold me a couple breech seals for this rifle only last year? Must me Trump's new import policies? Anyway, I thought I'd post the diagram and list;