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AR15.COM
4/6/2011 5:40:05 PM EDT
Can anyone share load data they have used for the OBRs?  Looking to work up a load for my incoming PredatAR 762 18".

I have some LC cases, Varget, Benchmark, 155gr Palma Sierras (2156) and Privi Partizan 145gr.  Looking for a very accurate load with the Sierras and a 1MOA or so load with the Prvis.
4/6/2011 7:34:30 PM EDT
[#1]
I havent tried but one load so far. But it has performed really well.

(Always work up, etc.)

I am running-
Lapua brass
43.5 gr Varget
175 Match King
Fed 210m
COAL- 2.80
4/7/2011 12:28:28 PM EDT
[#2]
I've been advised the following and will try and report back, just thought it may be helpful to others.

"Try 44-45 grains varget in LC brass for either bullet, 2.74-75 for the 145's and 2.80-2.82 for the sierras. If using lightweight brass maybe step it up to 46 for the sierras. I wouldn't expect very good accuracy out of PRVI 145's. "
4/7/2011 1:11:19 PM EDT
[#3]
My 150 gr Sierra load is 47 grns of 4895  - 2.80 Just a tad under 2800 fps and sub MOA groups out of a Savage and Winchester bolt.  Waiting for my Pred to see how they do in that.