800.00 CZ 455 Varmint -Thumbhole-Fluted Barrel-22 LR Ottawa Apr 13, 2024 - 2:54 PM JohnnyDangerous Up for sale. CZ 455 Varmint laminated thumbhole stock with a MDT 20 MOA picatinny base installed and a second CZ 0 MOA base. The only modification to this gun is I installed a Yo Dave's trigger kit that it is set just shy of 2 lbs.