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7mm PRC starting load Please
- Thread starter bahabill
- Start date
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CJ Reichelt
Active Member
- Joined
- Oct 28, 2017
- Messages
- 28
Did some load development with N560 and 175 ELDX. Got the best SD ( right around 3fps) at the top which was around 66.2 grains. Out of a 22 " barrel suppressed, the velocity was right around 2840 FPS. Adjusted the seating depth to get the groups down around .5 MOA. Need to run it out to distance to see if the groups hold together.
A point of reference thats worked for me is to take the same load for a 7 rem mag and knock 2 grains out of it and work up. So if there is no data on the prc with your powder and bullet, but there is data for the rem mag with the powder an bullet. Pick a middle charge, knock out 2 grains and start there. It worked for me when there was virtually no data on the 7 prc out there.
Buzzsaw
Well-Known Member
Great thread. Thanks all for not ragging the OP for asking for help. Many other forums he would be drawn and quartered.
H1000 is easy on throats and super stable.
My 7PRC didn't like it, surprisingly. I mean not at all.
H4831sc is slower than h1k
What bullet
70g of 26 reloader 9 1/2 primer 22' barrel 168 berger 3140 fps
n 560 70 g 168 berger cci 250 3028 fps 20" barrel
n 560 70 g 168 berger cci 250 3028 fps 20" barrel
