6.5 Creedmor Load Data

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Swampy Senior
Posts: 14
Joined: Sun Feb 24, 2019 9:39 pm

6.5 Creedmor Load Data

#1 Postby Swampy Senior » Thu Mar 26, 2020 3:46 pm

Dear Brains Trust,

I am in the process of building an F-Class rifle in 6.5 CM and need some assistance wrt load data. I will be using AR2208, pushing a 140gr HPBT projectile all housed in a Winchester Case.

Based on the ADI Load Data the max load is 35.8gr with an expected MV of around 2600fps. Today I threw a 35gr charge, placed it in the case and it looked a little light on. I say this because I am comparing this to a full charge of 46gr of AR2208 for my TR rifle pushing a 155gr projectile.

Is 35gr of AR2208 about right?

Regards,

Swampy.

Rich4
Posts: 126
Joined: Sun Feb 24, 2019 2:33 pm
Location: Chinchilla

Re: 6.5 Creedmor Load Data

#2 Postby Rich4 » Thu Mar 26, 2020 10:11 pm

I’m maxed out at 41 of 2209 for 2754 with 140 rdf and 147 eldm, I haven’t tried 2208, but that’s not far from the book, don’t think I’d be starting that close to max if it was me, I don’t run 41 that was max and brought it back to 40 @ 2700, 26” barrel, Regards Rich

BATattack
Posts: 1036
Joined: Mon Dec 29, 2008 10:29 pm

Re: 6.5 Creedmor Load Data

#3 Postby BATattack » Sat Mar 28, 2020 7:34 pm

I thought the creedmore would have a fair bit more capacity than the 6.5x47?

I was running 41.5 of 09 with a 130 in the 47

bobbyaxe
Posts: 20
Joined: Sun Jan 28, 2018 1:07 pm

Re: 6.5 Creedmor Load Data

#4 Postby bobbyaxe » Mon Mar 30, 2020 8:38 am

Hi Swampy,

If you're using Peterson brass, I found that I had to drop back on the charge. The internal case capacity is smaller than Norma and Hornady, which they try to make people aware of.

For norma brass, I was using 42.2grs and could have pushed that further without any pressure signs.

With Peterson at 42grs I'm getting plenty of signs of pressure. Though at 40.2grs it works brilliantly.
Note: Im using RL16 power - @ 42grs i was pushing 3000fps and currently at 40.2grs im running at 2830fps.

Swampy Senior
Posts: 14
Joined: Sun Feb 24, 2019 9:39 pm

Re: 6.5 Creedmor Load Data

#5 Postby Swampy Senior » Mon Mar 30, 2020 8:52 am

Thanks for the information.


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