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Reload Math at Home
dcloco
Member Posts: 2,967
Tried eight different primers in the 204 today, while running them over the chronograph....these are the results.
For the powder, primer, case & bullet combo...the CCI 400, Winchester cases, H4895, & 32 grain Hornady VMax is the winner. The only item I varied is the primer in all of these cases.
205M 205M 205M 205 BenchRest
3970 3966 3992 3926 3928
3983 3991 3988 3976 3950
3995 3952 3991 3975 3984
3979 3941 3959 3935 3975
4012 3972 3988 3954 4008
3987.8 3964.4 3983.6 3953.2 3969 average
14.52 17.14 12.40 20.33 27.65 standard deviation
210.96 293.84 153.84 413.36 764.8 variance
Win 400 CCI 41 CCI 450 Rem 7.5
4043 3946 4085 3903 4051
3983 3939 4071 3944 3897
3989 3959 4082 3963 3931
4048 3963 4053 3939 3944
4002 3954 4040 3913 3928
4013 3952.2 4066.2 3932.4 3950.2 average FPS
27.28 8.70 17.24 21.70 52.70 standard deviation
744.4 75.76 297.36 471.04 2778.16 variance
For the powder, primer, case & bullet combo...the CCI 400, Winchester cases, H4895, & 32 grain Hornady VMax is the winner. The only item I varied is the primer in all of these cases.
205M 205M 205M 205 BenchRest
3970 3966 3992 3926 3928
3983 3991 3988 3976 3950
3995 3952 3991 3975 3984
3979 3941 3959 3935 3975
4012 3972 3988 3954 4008
3987.8 3964.4 3983.6 3953.2 3969 average
14.52 17.14 12.40 20.33 27.65 standard deviation
210.96 293.84 153.84 413.36 764.8 variance
Win 400 CCI 41 CCI 450 Rem 7.5
4043 3946 4085 3903 4051
3983 3939 4071 3944 3897
3989 3959 4082 3963 3931
4048 3963 4053 3939 3944
4002 3954 4040 3913 3928
4013 3952.2 4066.2 3932.4 3950.2 average FPS
27.28 8.70 17.24 21.70 52.70 standard deviation
744.4 75.76 297.36 471.04 2778.16 variance