6.5 Creed with 120 grain pills and H4350

thatmikeguy

thatmikeguy

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Is anyone having excellent results with this combo?
My speed is great but so far I haven't found a sub moa performer. I am planning to play with seating depth yet.
I am loading the 120 SMK and the 120 ELDM. Best hroups this far hover around 1 moa. I did have one .5 moa group but it seems that was luck.
 
thatmikeguy said:
Is anyone having excellent results with this combo?
My speed is great but so far I haven't found a sub moa performer. I am planning to play with seating depth yet.
I am loading the 120 SMK and the 120 ELDM. Best hroups this far hover around 1 moa. I did have one .5 moa group but it seems that was luck.
Click to expand...

Maybe YOUR rifle is only capable of that MOA ? What is it ? RJ
 
thatmikeguy said:
Is anyone having excellent results with this combo?
My speed is great but so far I haven't found a sub moa performer. I am planning to play with seating depth yet.
I am loading the 120 SMK and the 120 ELDM. Best hroups this far hover around 1 moa. I did have one .5 moa group but it seems that was luck.
Click to expand...

Just curious about using 120 grain bullet. Please pop this into google:

6 & 6.5 Creedmoor Load Data – What The Pros Use

Which is an article from September 2019 and the lightest bullet used by the leading competitors in 6.5 Creedmoor is 130 gr.
 
thatmikeguy said:
Is anyone having excellent results with this combo?
My speed is great but so far I haven't found a sub moa performer. I am planning to play with seating depth yet.
I am loading the 120 SMK and the 120 ELDM. Best hroups this far hover around 1 moa. I did have one .5 moa group but it seems that was luck.
Click to expand...

What exactly to you mean when you say your speed is great?
 
I use Varget in my 6.5 creedmoor. But I also use 140 grain Hornady ELD’s
I shoot them out of a savage 110 tactical with a 1/8 twist
The rifle is sub MOA and very accurate
The Hornady reloading book lists Varget and 4350 as the absolute best powders to use.
 
laserlite said:
Just curious about using 120 grain bullet. Please pop this into google:

6 & 6.5 Creedmoor Load Data – What The Pros Use

Which is an article from September 2019 and the lightest bullet used by the leading competitors in 6.5 Creedmoor is 130 gr.
Click to expand...

I did read that. I don't believe in using components that are horribly mismatched. I was wondering if my rifle might prefer another powder.
 
thatmikeguy said:
I'm using Federal Small primer brass with federal match primers. I'm getting 3000 fps with the 120 grain bullets.
Click to expand...

Got it, however 3000 FPS and the amount of powder required to get there may or may not be within an accuracy node..before I mess with seating depth I would want to ensure I am in a node.
 
Sierra Lists max at 45.6 grain of H4350. I started 2 grains below and worked up in .5 increments. It shot best at 45 grains. 45.5 seemed like over pressure. The bolt felt sticky. Hornadys max for the ELDM is 43.9 of h4350. Thos one shot best at 43 grain. Both best 3 round groups were .960 when measured with a digital caliper. Id like to get it smaller yet. Typically my loads go from moa to sub moa with a charge weight change or a powder change.
 
thatmikeguy said:
Sierra Lists max at 45.6 grain of H4350. I started 2 grains below and worked up in .5 increments. It shot best at 45 grains. 45.5 seemed like over pressure. The bolt felt sticky. Hornadys max for the ELDM is 43.9 of h4350. Thos one shot best at 43 grain. Both best 3 round groups were .960 when measured with a digital caliper. Id like to get it smaller yet. Typically my loads go from moa to sub moa with a charge weight change or a powder change.
Click to expand...

Did you chrony, what was your SD...when I said accuracy node I should have more properly said speed or velocity node, looking at the vertical dispersion not the size of the groups
 
thatmikeguy said:
This rifle wears a muzzle brake from the previous owner. I have also wondered if muzzle brakes can negatively affect barrel harmonics. Or maybe I'm just impatient and need to keep trying.
Click to expand...

Certainly a brake off or on can effect POI, but since we are doing our development with the brake on, that will be included in the tuning we do. As long as it is not loose and a decent design
 
I haven't done much chroney work. Just a little. My velocity was from 2988 to 3003 fps for 3 rounds. Verticle dispersion is 1" and horizontal dispersion is .5 inch.
I haven't chronohraphed the ELDM yet. Vertical spread is 1" and horizontal spread is .25".
 
Longbow said:
Did you chrony, what was your SD...when I said accuracy node I should have more properly said speed or velocity node, looking at the vertical dispersion not the size of the groups
Click to expand...

So making final choices on such a small sample size is often misleading. Just me but I would want to zero in on a series of powder charges in .2 or .3 increments that show very little velocity change for successive charge weights. This is you velocity node. Then pick the charge weight in the center of the node and test with different seating depths...But that is just me.
 
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