Pros and Cons for CZ457 Upgrades and the Ultimate Build

After 5 years off and on the 457 platform I think I have the ultimate CZ457 Competition Rimfire. This video is just my opinion. If you're opinion differs that's fine, let me know in the comments. You can find the external weights here: https://petespillars.odoo.com/shop/ppfwr-pillar-chassis-stock-exterior-forend-weights-m-lok-fits-mdt-12-3oz-2pk-ppfwr-35708?category=46#attr=450,449