Custom 6.5-300 WBY Mag Rifle Build

Mr6.5

Beginner
Oct 8, 2024
14
63
Finished my Savage 110 6.5-300 Weatherby build today. This rifle started life as a 30-06.

The stock is a Savage Accustock I custom painted and baked with KG Gunkote

I had to do a little machining on the receiver and added bottom metal and an extra length mag for seating these already long rounds even longer

The Barrel is a 27" Blank from GM I profiled, threaded, and chambered on the lathe, then Cerakoted. 1:8 twist

I will be taking it to the range tomorrow, shooting 130gr Terminal Ascent bullet and Retumbo powder.

Topped it off with a new US Optics scope.

Hope it shoots tight groups!
 

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What velocity are expecting to get with this recipe in your 27" barrel?

I know that I am liking the performance of the 130 gr TA bullet to date; in accuracy and on-game (red stag, fallow deer, arapawa rams, and caribou - one shot kills with complete pass through, from 43 to 296 yards), from the 6.5 CM.
In my 6.5 PRC, I need to shoot it more to see if the first group was me, or the rifle, but right at MOA it is still very acceptable. I have yet to use it on game from this cartridge, but am expecting similar performance as that from the Creedmoor (actual velocity variance of 171 fps between the two rifles - both w/ 24" barrels).
 
Today was dismal! The best group I could get was like 6" at 100 yards. It did not like that bullet powder combo at all. I am going to try some N165 next, that is my go to powder when I am having issues. Labradar Crono had me from 3540 to 3600fps but it was all over the place
 
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