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Any Proof research Rimx range reports?

vigildom7

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Minuteman
May 15, 2018
367
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Albuquerque, New Mexico
I see people using the proof rimx barrels but I don't hear any feedback from them? I know proof makes some amazing center fire barrels but I haven't seen anything on these.
Anyone care to share their experience and thoughts on their barrel?
I know keystone accuracy has been the good to for rimx barrels but variety is the spice of life.
Post some pictures of groups!
 
I currently shoot the RIMX with the proof 18" at 50 it's good with center x, SKplus and Wolf match extra .2s to .5s all day long but, ! The es is wide on all ammo chamber a little larger then I like. I broke it down checked head space .0455 tenon was +.0003 , did a chamber cast it check .0006 over what I like. Bullet engraved about .040 less then i like. The widened es really starts to show at 200 yds 300 yds on a 6" plates is 50% . I have 2 new barrels in route that I'll spin up for it I believe the Bartlien transitional with a truly lapped match chamber will put a end to the 23 fps avg. es. I currently shoot the action in a grayboe ridge back bedded with a diamond tt at 4oz. With a Vortex Razor I borrowed off my 6.5 RPR