Interesting find with my 6.5 Creedmoor.

kilotanker22

New member
So I have been shooting and loading for the 6.5 Creedmoor for a couple years now. I have found my share of good shooting loads in that time, but always feel the need to keep tinkering.

It seems that I have found a powder charge that shoots well with any bullet I seat on top of it. With certain bullets this powder charge shoots exceptionally well.

From 135 grain bullets up to the Hornady 147 grain ELD bullet. With two bullet in particular I shoot 1/4-1/3 MOA groups all the time. Those bullets are the Hornady 147 ELD and the Nosler 140 Grain Custom Competition. Across all bullet weights the Velocity ES is less than 20 fps with single digits SD.

I did recently change to Peterson small rifle primers brass and I think quality brass plays a big part in the new found consistency.

I am finding that developing a great load is easier and simpler than I ever thought it could be. What I am finding is that there are three main things that contribute to a good load. Consistent pressure, Harmonics and consistent bullets.

Or have I simply stumbled upon an optimum charge weight for this cartridge in the brass I am using?

Here is the most recent 300 yard group. Six rounds instead of 5, because I am recording where my cold bore shot impacts at varying ranges. At 300 yards my cold bore shot hits just about 1/3 MOA higher than the following shots. Discounting the first cold bore shot this group measured .89" or .28 MOA. I have confirmed this through more than a dozen groups shot in varying conditions.
 

Attachments

  • IMG_22092020_115247_(750_x_750_pixel).jpg
    IMG_22092020_115247_(750_x_750_pixel).jpg
    119.6 KB · Views: 70

kilotanker22

New member
Depending on the load data and components used this data may or may not be safe to use in all firearms. This is safe to use in my firearm. Neither myself or TFL can be held liable for damages caused by the use of the following data.

Peterson Small Rifle Primer Brass trimmed to 1.900"
CCI 450 small rifle Magnum primer
41.8 grains of H-4350. 41.78-41.82 grains is the weight range I load inside of.

Distance to the lands for the Nosler and Hornady bullet listed above is .010". I also found the 140 grain Hornady interlock to shoot exceptionally well seated .050" off the lands.

Worth noting is that from 41 grains all the way to 42.2 grains these bullets all shot ok, but all of them shoot very well at 41.8 grains of H -4350
 
Last edited:
Interesting you found that same charge I did. I picked up a Savage 110 Precision 6.5 Creedmoor and have done a few weeks of testing past a Labradar. I also found that 41.8gr of H4350 and 42.2gr were the magic numbers loaded under a Hornady 143 ELD-X.
 

cdoc42

New member
Hasn't 4350 been the powder of choice for some time? Or has there been a distinction between IMR and Hodgdon?
 

Scorch

New member
I ran into that same thing years ago with my 7X57, IMR4350 shot 120 through 175 to about the same POI at 100 yds.
 

kilotanker22

New member
I have tried StaBall. In this particular rifle and with small rifle primers I was unable to achieve anywhere near the velocity I am getting with H-4350. With StaBall I was a fair clip above published max loads with velocities 100+ fps below H-4350.

H-4350 is plentiful in my neck of the woods for now
 

hounddawg

New member
copied disclaimer - Depending on the load data and components used this data may or may not be safe to use in all firearms. This is safe to use in my firearm. Neither myself or TFL can be held liable for damages caused by the use of the following data.

interesting, I looked back through some of old targets for the .260 Rem and found 40.6 to 41.5 H4350 was optimum for .3 to .5 groups at 300 using 123's. Between 4775 to 4825 FPS seemed to be the sweet spot. That was with a 29 inch Criterion barrel.

I have a few pounds of IMR 4350 that's about 10 years old also but no load workup data. I am going to be swapping out the 6CM barrel I burned out on my FTR with a old but lightly used (750 rounds count) .260 Kreiger next month just to see if I can get it to shoot. I might see how that IMR shoots in it
 
Top