finally got around to doing some testing.
well there are some pro and cons for sure
there is no question you get more speed with less powder
i achieved same speed with 200 sst with 2.4 grains less than before h4198
accuracy i cant say it is better than a savage breach plug but i certainly cant say it is worse
no issues with firing of course it was 77 degrees
cci 250 large rifle mag primer
top
195 barnes 2500 fps
bottom right
200 sst 2580 fps
bottom left
195 barnes 2615 fps
nef 45.70 conversion
cons primer removal with the screw thing is slow
i will give it a good go in the field this year
well there are some pro and cons for sure
there is no question you get more speed with less powder
i achieved same speed with 200 sst with 2.4 grains less than before h4198
accuracy i cant say it is better than a savage breach plug but i certainly cant say it is worse
no issues with firing of course it was 77 degrees
cci 250 large rifle mag primer
top
195 barnes 2500 fps
bottom right
200 sst 2580 fps
bottom left
195 barnes 2615 fps
nef 45.70 conversion
cons primer removal with the screw thing is slow
i will give it a good go in the field this year