Well I modified a fired case for checking lands and Holy crap does this thing have freebore for days. Makes sense as saami print has almost 0.300 FB plus another 0.160 of throat. 156 Eols touching are half way up the neck, why in God's name would they do this? I'm going to have to try to find a place where they shoot 150k off lands. I don't like having less than 250k of bearing in the neck on a 6.5 bullet.
My lapua brass was 295k loaded and the necks tapered from 298 to 297 @ end, so it was way tight. Turned cases to 2925 loaded and I still have to push a bullet into a fired case. Nice thing, the barrel quit fouling after 12 rounds. Which is all I shot this evening.
Christensen really needs to get their machining tolerances in order, I had two different rails and both don't sit flat when torqued down, I'll need to bed it. When I installed the scope on the rail ans torqued the cross bolts to 50in # as spec, my bolts bound up tightly in front the lugs. I tried multiple scope/ring combos and the other rail, was apparent in all situations. The only way I remedied it, was to hold the rail twisted left longitudinally along the action and trq down to get the bolt unbound, this is extremely frustrating. I'll zero at 100y and run it out to distance and see if my windage is affected, bout 90% chance it will. I cannot tell be the naked eye of the rail screw holes are aligned, they must not be. I'm upset because the chamber was cut very smooth, the lands looked very smooth and uniform from a sharp reamer and good button rifling. If I send it back, chances are I'll get a completely new action/barrel and I want to keep this barrel, as it's a good one, and was machined fairly well. Brass is growing on headspace by 5 thou upon forming which is a lot but maybe the lapua is just short. I have 50pcs of peterson 284 win that I'm going to neck down and turn as well. I love their brass. The jury is still out. Recoil lug and front pillar were bedded decent, but zero bedding at tang rear pillar area. Stock weighed 33oz so I got lucky, as some their stocks fluctuate very heavily. If the holes are out of alignment, I wonder if a good machinist could straighten them out by going to 8x40 vs 6x48 that's currently in place. Sad that a guy gets this on a 1900$ gun. We'll see what happens!