Realistic 6.5X284 MV?

We are running 3130 with Retumbo powder. Both Hornady and Berger's shot very well. Attached is a photo of Hornady groupings that I presently have on me. The Berger's shot every bit as good.
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156 with RL-26 at around 2900 IIRC. 28" Proof Carbon Prefit. Lapua Brass. Savage action, XLR Chassis. SD/ES not bad either. I need to shoot that gun more, but I am just not a chassis fan for hunting. Feels so un-traditional, for lack of a better word. And I still haven't gotten around to sling mounts....
 
Back around 2010 I won a Savage LRH in 6.5x284 at an Egg Shoot sponsored by Savage. The only Savage I had ever owned was an old Savage 99 lever action 300S.
Without much enthusiasm, I decided to load up some ammo and see how the LRH would shoot.
What a surprise! Bone stock except for sanding off a (barrel) pressure tab on the stocks fore end tip. It was chambered exactly to Norma specs with .188" free-bore and was proved to be quite a shooter. I saw little, if any difference in accuracy/velocity between the Savage's 24" barrel and my other 6.5x284's with 26" barrels. After about 10 years of very consistent performance and somewhere north of 1200 rounds I screwed on a Criterion pre-fit in 6.5x284 and replaced the plastic Accu-Stock with an MPA chassis. It's still killing game at long range!
Some loads/targets with the LRH over the years, and, the more recent Criterion/MPA update.
 

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I have chambered a dozen riflesin 6.5-284 Norma. I have a .170 free bore or so. In a 25" barrel i can get 2900 safely with the various 140-143 grain bullets.
Even using R26, i stay under 3000. I have hit 3000 or a little more but brass life is terrible and i have found accuracy suffers.

Right now my hunting load is R26 pushing a 143 ELD-X about 2960
 
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