Here's my Custom Gre-Tan XP in 7.21 Lazzeroni. I plan on shooting Berger 168 VLD's. Here's what I had done.
Action Trued, Bolt Sleeved, Bushed firing Pin with GTR Lite Steel Firing Pin, Trigger set at 2lb's
Krieger 1:9T barrel tight neck chamber finished at 16.5" with a Vais muzzle brake
Near 10 MOA Picatinney Rail scope mount, Farrel 30MM ring's and a Burris 3X12 ballistic Plex Scope
HS Precision varmint style stock bedded and all metal Cera coated