190 Bergers, 300WM

7mmSendaro,
I tried some back in February in my Savage 112BVSS with RL25 and didn't get great results. I am going to re-visit the 190's with RL22, IMR7828 and possibly a few faster powders. I was also using WLRM primers that day and temp was 40deg.
I tried from 75.0gn to 77.5 in 1/2gn increments:
75.0 - 2932fps @ 1.1705"
75.5 - 2971fps @ .893"
76.0 - 2991fps @ 1.342"
76.5 - 3021fps @ .510"
77.0 - 3070fps @ 1.2135"
77.5 - 3073fps @ 2.011"

I tried 76.5gn again, both with WLRM and R9.5M primers and velocity was pretty much the same (W:3053fps, R:3012fps) but accuracy was 2.441" for WLRM and 1.051" for R9.5M primers.
I know your rifle will be totally different for velocity and accuracy, but it gives you somewhat of a range as to what you should expect. Hope this helps. JohnnyK.
 
7mmSendaro,
I tried some back in February in my Savage 112BVSS with RL25 and didn't get great results. I am going to re-visit the 190's with RL22, IMR7828 and possibly a few faster powders. I was also using WLRM primers that day and temp was 40deg.
I tried from 75.0gn to 77.5 in 1/2gn increments:
75.0 - 2932fps @ 1.1705"
75.5 - 2971fps @ .893"
76.0 - 2991fps @ 1.342"
76.5 - 3021fps @ .510"
77.0 - 3070fps @ 1.2135"
77.5 - 3073fps @ 2.011"

I tried 76.5gn again, both with WLRM and R9.5M primers and velocity was pretty much the same (W:3053fps, R:3012fps) but accuracy was 2.441" for WLRM and 1.051" for R9.5M primers.
I know your rifle will be totally different for velocity and accuracy, but it gives you somewhat of a range as to what you should expect. Hope this helps. JohnnyK.

Which powder were these results from?
 
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