5.6
x 57 RWS
The following data was developed in a Friedrich Heym rifle that had a 24” barrel with a 1-10 inch twist.
This data was kindly supplied by my friend F.R. Mitchell.
|
POWDER |
VELOCITY |
GROUP |
BULLET |
CASE/PRIMER |
|
|
|
|
|
|
|
41.0 IMR 4064 |
3648 |
1.310 |
SIERRA 55 SP |
RWS/CCI 2000 |
|
|
3628 |
1.290 |
SPEER 55 SP |
|
|
|
3645 |
1.420 |
NOSLER 55 BALLISTIC T |
|
|
46.0 W 760 |
3801 |
1.350 |
SIERRA 55 SP |
RWS/REM 91/2M |
|
|
3806 |
1.267 |
SPEER 55 SP |
|
|
47.0 |
3890 |
1.207 |
NOSLER 55 BALLISTIC T |
|
|
42.0 IMR 4350 |
3227 |
2.380 |
RWS 74 SP |
|
|
44.0 |
3400 |
0.932 |
SPEER 55 SP |
|
|
47.0 |
3755 |
1.435 |
SIERRA 55 SP |
|
|
|
3775 |
1.683 |
SPEER 55 SP |
|
|
48.0 |
3875 |
1.110 |
NOSLER 55 BALLISTIC T |
|
|
|
|
|
|
|
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Last Updated November 18th, 2000