My Sherman 6.5 max-600 yard ladder/group test

odoylerules · May 17, 2022

Eric Musgrove said:
Yeah, I am thinking 6.5 what? I notice that part is left out.

It's in the title. "6.5 max" it's a Sherman wildcat, basically a 6.5 saum improved

Eric Musgrove · May 17, 2022

odoylerules said:
It's in the title. "6.5 max" it's a Sherman wildcat, basically a 6.5 saum improved

oh ok I need more coffee I guess I missed that, thanks

odoylerules · May 17, 2022

I tried a little seating depth test. Purple is .005" off the lands and green is .015" inches off. Both are pretty phenomenal groups for 600 yards and I am extremely happy. It is a lot colder this morning and my velocities got significantly slower, like 20 ft./s slower than yesterday

LRSNM · May 17, 2022

Thanks for the follow up to your original post. Not everyone does. It helps with the learning process.

ducky · May 17, 2022

I'd try a little more jump, as it seems your rifle likes at least .015" jump. Since you're using Berger bullets I run their seating depth test.

floyd kittrell · May 17, 2022

Eric Musgrove said:
Yeah, I am thinking 6.5 what? I notice that part is left out.

His heading says 6.5Max. , I'm not familiar with the cartridge but I like the numbers.

odoylerules · May 17, 2022

I'll take it! Who am I kidding? I can't shoot any better than this. Frankly with a 15 power scope at 600 yards, the center cross hair dot takes up the whole 3 inch orange spot. I think I've got a load that I'm sticking with
6.5 Sherman max (saum improved)
21" barrel
Berger 156
64.5 gr N570
3050fps
.219 MOA (yesterday was .3 MOA)

Lefty38-55 · May 17, 2022

Mr. O'Doyle for the WIN!

Stephen Orleski · May 17, 2022

The green might be the best if it weren't for shot 9. When I get a flyer like that I check myself first, because the others are all vertically strung

odoylerules · May 20, 2022

I ran a ladder with N560 and Hammer hunter 131gr pills today.
9,10,11 clustered nicely.
9 was 62.0 gr at 3185fps
10 was 62.5gr at 3192fps
11 was 63.0gr at 3225fps
I'll narrow this down in a few days but I know there's a solid node here

Huntnpack · May 21, 2022

Great results on your testing !
I've got a similar build. Doing some load work
myself. So far I've got good results with 123 Absolute Hammers & 156 Berger's.
Next up is the 131 HH. I'll be interested in
Your results on the 131.

jk_minn · Jan 11, 2025

odoylerules said:
I'll take it! Who am I kidding? I can't shoot any better than this. Frankly with a 15 power scope at 600 yards, the center cross hair dot takes up the whole 3 inch orange spot. I think I've got a load that I'm sticking with
6.5 Sherman max (saum improved)
21" barrel
Berger 156
64.5 gr N570
3050fps
.219 MOA (yesterday was .3 MOA)

Impressive. Who chambered your 6.5 Max?

odoylerules · Jan 12, 2025

jk_minn said:
Impressive. Who chambered your 6.5 Max?

Local smith

odoylerules · Jan 12, 2025

Just a follow up or resurrection of this thread…The ol 6.5 max with the 156 Berger dropped my Oregon spring bear with one shot last time out. Bang flop never twitched

My Sherman 6.5 max-600 yard ladder/group test

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