Thread: 7mm PRC

I'm using RL 26 but 2217 or 2225 will work I'm running 180 ELDM and ADG brass.

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Originally Posted by 25/08 IMP

I'm using RL 26 but 2217 or 2225 will work I'm running 180 ELDM and ADG brass.

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What speeds in what length barrel?

20" and 2875fps shot a couple of reds on Friday at 340yards they hit hard.

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Not much info on adg brass so fyi 70 grain 2217 with 175eldx is going 2930 in adg brass, seated longer than saami, 30 thou from lands

Originally Posted by PerazziSC3

Not much info on adg brass so fyi 70 grain 2217 with 175eldx is going 2930 in adg brass, seated longer than saami, 30 thou from lands

Re did a ladder the other day no pressure

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Yeah I did a ladder starting at 63, as it was first shots through rifle. 63 was 2580 for interest sakes, a very very conservative starting load. I didn’t hit any pressure, didn’t go above 70 as it was fast enough and should speed up a little again.

The 175s weren’t spectacularly accurate. Under moa just with 5 shot 70 grain group. May get a sample pack of some bergers

Scratch that… looks like 175 bergers aren’t available

66.3gn of H4831sc for me. Got a nod from 66.0 to 66.5gn, started to have a bit of crater on primer at 67gn.
10th off the lands.

Arround 2995fps

I am shooting / loading 7mm PRC
using H1000 66.5 to 67.5 MAX , 215 magnum primers , Hornady Factory brass , 175 gr ELD-x , in 24 inch barrel , makes 2881 to 2930 ft/sec . BEWARE 68 grains is hot in my rifle .... ejector marks , very tight bolt lift , primer cratering .
Loads are about the same as factory ( there is bullshit on the boxes suggesting you will get 3000 ft/sec ) average velocity 2930 .
PM me if you need any other info .
I use Gordons Reloading Tool ..... 2881 ft/sec was predicted and that was ( remarkably ) exactly what the load made . Never had that before .
cheers
les

Interesting. Adg brass can certainly handle more then as that’s the only variable I have to you. I thought usually the adg would need less powder to reach same velocity compared to Hornady etc

Originally Posted by 25/08 IMP

Re did a ladder the other day no pressure

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Great speeds from a 20”. What barrel are you running?

Originally Posted by mcche171

Great speeds from a 20”. What barrel are you running?

Just a plain old Tikka

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Originally Posted by 25/08 IMP

Re did a ladder the other day no pressure ]

Looking at your ladder velocities, which are quite variable with each step (some lower fps than previous step) it would pay to try a different primer. Otherwise you aren't going to get consistent velocity SD.
I always shoot a mid charge weight of 4-5 shots first to test the viability for the load combination. This will show if it's worth continuing with shooting the ladder.

What primer are you using?

Originally Posted by Roarless20

Looking at your ladder velocities, which are quite variable with each step (some lower fps than previous step) it would pay to try a different primer. Otherwise you aren't going to get consistent velocity SD.
I always shoot a mid charge weight of 4-5 shots first to test the viability for the load combination. This will show if it's worth continuing with shooting the ladder.

What primer are you using?

These were shot with Fiocchi LR I do have federal 215 but when I did a test awhile ago the Fiocchi gave better SD over the 215 for a 5 shot group.
The ladder was just to give me an indication of pressure and looking for the flat spots I'm now going to load 5 of each 60, 60.2,60.4,60.6 and 60.8 and shoot a group of each.

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Sorry 66.0 up to 66.8 not 60grn

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