I'm trying to build a long range (600 yd) target and varmint gun! I have a tenitive list but wanted help from experienced guys to make sure it's a good build. Action- remington 700 trued from north west action works nwaw-1 Barrel- shilen remington pre fit chambered in 6mm br Norma 26in 1/8 twist (Could use some advise in where to find one or can I call shilen?) Stock- McMillan a-3 from this site. Optics- zeiss mc conquest 6.5-20x50 Zeiss MC Conquest Rifle Scope 6.5-20x 50mm Side Focus Target Turrets Also need help wit bottom metal! Thanks for the advise!