Here’s a link of the previous owner’s write up about all the hard he did, and the great results he achieved.
https://www.airgunnation.com/topic/new-tx200-hc-177/
I’ll include all the spare parts the previous owner provided me
-$675 shipped conus for the rifle and parts.
I’ll sweeten the deal by selling the rifle with the Leupold Freedom 3-9×33 EFR, Leupold Alumina Flip Covers and Hawke high rings (with recoil pin) for $300 more. You can also get it with the Huggett Atom (smallest Huggett) for $100 more. Huggett comes with 2 end caps (male and female UNF), allowing it to tighten up flush with the barrel- no ugly adapters needed.