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deafdog@turboweb.net.au
http://deafdog.turboweb.net.au
I think you might get better results with your equivalent of R-19 or R-15. I get good results with R-15 or H414 and the 100 gn Sierra. The best groups I have obtained with that bullet and my M96 are aproximately 1.25 inches at 100 yards.
In the ADI powder manual they give for 100gn
AR2208(close to R15) 42gn for 2,785
AR2209(close to R19) 50gnC for 3,172
AR2213SC(close to R22) 51gnC for 2,883
I loaded some at 46gn and 47gn of AR2213SC to try out.I'll see how they go.
47gn is close to a case full 48gn is a compressed load.
Have you tried the 100gn at 200yds?
Regards
Deafdog
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deafdog@turboweb.net.au
http://deafdog.turboweb.net.au
I use a 6" drop tube for H4831SC. Using the tube, I am able to get 50.3 grains under a Sierra 140 SPBT (3.06" OAL, Rem or Win brass) and still have a perceptible shake in the case. Without the drop tube, the powder would be about mid neck and will crunch powder when seating the bullet. The 140 load will typically group under .5 inches in a clean barrel but will open up to over one inch when the barrel has some jacket fouling. I use this as my sign that I have a few hours of bore cleaning ahead of me. This load clocks 2930 in a 29" barrel.
Note: This load is quite a bit over accepted 6.5 X 55 data and probably is in the 60 kPSI range.
FWIW, H4831SC is my favorite powder for the swede in bullet weights between 129 and 160 grains. It is also a perfect marriage to LEE's Perfect Powder Measure. It throws accurate charges with this powder and I don't waste my time verifying charge weights any more, unless I change loads. The LEE measure performs well with other extruded powders, but performs best with 4831SC. I believe this is a result of the glazed coating on this powder.