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Old July 13th, 2018, 05:15 PM #1
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Perfect 6.5CM Load For Me

I'm a happy camper.
On Sunday I'm going to shoot long distance with ToolAA and have feverishly been trying to perfect a load for my TC Compass 6.5 Creedmoor. I think I finally did it. Today at AGC- 100yds...
140gr ELD-M, 42.8gr H4350, Win Lg Rifle Primers and Hornady Brass. OAL 2.845-2.849" which is .015-.020 off the lands (I can't get better precision/consistency). Shot from a bench w/bipod.
Velocities were as follows: 2770, 2777, 2771. SD of 3.78fps, ES of 7fps

It is the grouping at the top (left because of MDS photo twisting)
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Old July 14th, 2018, 05:21 AM #2
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I do believe that 42.8 is a sweet spot, but I'd also consider 43.0 as you stretch the legs of your rifle. If you really want to see what happens, try 42.7 and 42.9 for charge weights.
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Old July 14th, 2018, 06:17 AM #3
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I have had really good results with the same load. A buddy and I are currently working load development with RL16 which seems to be very promising as well.
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Old July 14th, 2018, 07:03 AM #4
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Looks like a good load and good shooting also. I'm shooting about the same load but at 40.8 grains H4350 and the Hornady 140 ELD Match. I've gone up to 41.5 with no change in accuracy and pressure looks ok, will try up to a max of 42.8 and see what pressure looks like in my rifle. I've got a 26" barrel.
7 shot group, 100 yards, front rest rear bag.
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Old July 14th, 2018, 09:10 AM #5
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Quote:
Originally Posted by DaemonAssassin View Post
I do believe that 42.8 is a sweet spot, but I'd also consider 43.0 as you stretch the legs of your rifle. If you really want to see what happens, try 42.7 and 42.9 for charge weights.
43.0 is on the same target. Still sub MOA, but SD was ~15fps.
I balance weigh my precision loads by hand. They are easily within .05gr precision.
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Old July 14th, 2018, 11:42 AM #6
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May I suggest a milder primer. Load up test loads using Remington, CCI, and Federal primers and shoot at a distance 300-500 yards. One (or more) primers should group significantly better than the others.

Good luck

Jerry
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