Back to 45-70 Load Data Index
45-70 GOVERNMENT (TRAPDOOR RIFLES)*
Case:
Starline
Twist:
1:20.000"
Primer:
Winchester Large Rifle
Barrel Length:
24.000"
Trim Length
2.100"
BULLET WEIGHT
250 GR. BAR TSX FN
Manufacturer
Powder
Bullet Dia.
C.O.L
Starting Load
Grs.
Vel. (ft/s)
Pressure
Maximum Load
Grs.
Vel. (ft/s)
Pressure
Hodgdon
Benchmark
0.458"
2.525"
51.5
1,852
19,800 PSI
56.2
2,085
27,300 CUP
Hodgdon
H322
0.458"
2.525"
48.3
1,849
19,900 PSI
53.3
2,080
26,100 PSI
Hodgdon
H335
0.458"
2.525"
55.2
1,979
22,500 PSI
60.1
2,107
26,800 PSI
Hodgdon
H4198
0.458"
2.525"
45.9
1,994
21,600 PSI
48.3
2,118
26,200 PSI
Hodgdon
H4895
0.458"
2.525"
53.8
1,925
22,000 PSI
60.0C
2,112
26,600 PSI
Hodgdon
Varget
0.458"
2.525"
56.3
1,846
19,200 PSI
62.5C
2,102
26,100 PSI
IMR
IMR 3031
0.458"
2.525"
51.9
1,756
18,000 PSI
58.0C
2,048
27,000 PSI
IMR
IMR 4064
0.458"
2.525"
55.0
1,832
20,400 PSI
60.0C
2,012
25,500 PSI
IMR
IMR 4198
0.458"
2.525"
39.8
1,781
18,900 PSI
47.4
2,067
26,300 PSI
IMR
IMR 4895
0.458"
2.525"
53.2
1,745
19,200 PSI
57.9
1,940
24,600 PSI
IMR
IMR 8208 XBR
0.458"
2.525"
52.1
1,801
18,000 PSI
57.8
2,106
27,000 PSI
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