Nice! I just had one of these built myself, it is amazing! I'm shooting 30gr Varget with the hybrids and 28.6gr h4895 with the 105 vlds. Is yours a repeater? I went with the wyatt's br box. It feeds really well but is kind of a pain to load. I usually load it single shot. It is easily the most accurate rifle I've ever shot.
That's beautifu, Bushman. Now all you need is a good Kuiu camo paint job on that stock.
Of all the rifles I own my 6BR remains my favorite. It's not packaged as nicely as yours (6BR Norma from Bartlein, Rem 700 SA on a Choate tactical stock with a Leupold V3 6.5-20x50) but it puts 'em in one ragged hole at 200 yards with 28.6 grains of Varget behind 107 Sierra MKs and 2750fps. gun)
It performs perfectly out to 600 yards, gets a bit tricky in the wind at 800 and I'm still working on improving its performance (or perhaps my performance) at 1K. But it gets there just fine.
I have talked with guys who say they have successfully pushed the load over 30 grains of Varget but I can tell you that 30 grains is too much in my rifle (waaaay too much) with the chamber I have. With the results you're getting I suspect you'll find perfection with a bit of bullet seating adjustments.