7mm PRC H1000 recipe? and/or bullet suggestions?

[Harvey_NW]

ADG brass ran thru PMA mandrel
H1000- 68.3 gr
180 ELD M
.0250 off of lands
mine is 3.320
Fed 215M
24 inch Nexus Gunwerks
2950

SAAMI chamber or custom throated for 180's?

 

[Jtwessel91]

I’m currently at around 150 rounds down my 24” bartlien tube right now and going to start load development real soon. I’ve been seeing 2890 fps average with 66.9 g h1000, 175 eld-x, fed 215m primers, adg brass. Tried running 66.3 grains yesterday following OBT nodes and managed 2885fps. Gun shoots lights out but I haven’t gotten any serious load development done since barrel is still speeding up. Super excited and glad I found this forum as I was wondering if 68ish grains was in the realm of possibilities. Just didn’t want to push my new barrel too hard as I’ve only worked up to 67.5 so far with zero pressure signs. Following GRT I should have a node in the high 67 grain realm so that’s what I’m hoping for

 

[Harvey_NW]

OBT nodes

 

[Jtwessel91]

View attachment 857863

possibly. I love to tinker and I already had a load worked up for another rifle and when I ran the numbers after the fact my load was .2 grains off where the calculator said I should be. Figured I’d try it for my new 7prc. Still running full load development but curious if I’m going to find a node close to where the program is saying I will.

 

[Harvey_NW]

possibly. I love to tinker and I already had a load worked up for another rifle and when I ran the numbers after the fact my load was .2 grains off where the calculator said I should be. Figured I’d try it for my new 7prc. Still running full load development but curious if I’m going to find a node close to where the program is saying I will.

By all means tinker away, but for the sake of saving components in the future if you decide to take the shortcut, nodes haven't been proven to exist in a statistically valid manner. The OCW/OBT stuff is typically just random distribution of insignificant samples of shots that all fall within the true cone of fire. In short, the load combo either shoots well, or doesn't.

 

[Ohiohuntr]

has anyone noticed a change with ES with 210s and 215s with h1k, with n570 I made the switch to 210s and it cut my ES almost in half I know it’s a h1k thread, I just decided to make the switch back because I wasn’t happy with my groups

 

[skip189]

70.5 grs of H1000
Nosler 160 Accubonds
Running right around 3060 out of a 22 inch barrel.
Shoots right around .5moa

Another load:
66.4 grains of N560
175 ELDX
Think velocity is around 2960 out of 22 inch barrel
Shouts small groups, even out to 500.

 

[Harvey_NW]

has anyone noticed a change with ES with 210s and 215s with h1k, with n570 I made the switch to 210s and it cut my ES almost in half I know it’s a h1k thread, I just decided to make the switch back because I wasn’t happy with my groups

In the past I've done some testing where a standard large rifle primer was much more consistent than a magnum, but anymore I question those results because of my cheaper chronograph. It really takes a big sample size and a very accurate chronograph to get good velocity data. Personally I would take whichever one groups best and test it at distance. I've had a couple different loads that recorded up to 70fps ES and never gave me any issues hitting targets out to 1,000 yards.