.45-70 Government

Test barrel: 560 mm (22”), 1 in 20” twist
Primers: Large Rifle
Cases: Remington, trim-to length 53,30 mm (2.098”)

WARNING: These loads are to be used only in modern rifles like Ruger #1 or .45-70's chambered on Mauser type bolt actions. They MUST NOT be used in old rifles with weaker actions like Trapdoor and old Marlin mod. 1895. The listed maximum loads do not exceed 210 MPa.

 
Bullet19,4 g / 300 grFN HP, SierraC.O.L. 64,7 mm / 2.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1202,9545.557919003,2550.26512136
N1303,3852.260919983,7057.16862251
N5303,6556.359619553,9060.26522139
 
Bullet19,4 g / 300 grTSX FN, BarnesC.O.L. 64,7 mm / 2.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1202,4537.850216472,9144.95941949
N5303,0246.646015093,4052.55691867
 
Bullet19,4 g / 300 grXFN, BarnesC.O.L. 64,8 mm / 2.551 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1303,1047.854717953,3752.06021975
 
Bullet22,7 g / 350 grRN, HornadyC.O.L. 64,7 mm / 2.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1303,1148.052217133,4653.46142014
N1333,2650.350716633,7257.46212037
N5303,4553.250916703,8258.96061988
 
Bullet25,9 g / 400 grFN, SpeerC.O.L. 64,7 mm / 2.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1302,9044.748916043,2249.75591834
N1333,0647.248515913,4052.55741883
N5303,2049.447815683,5254.35681864
 
Bullet33,1 g / 510 grLFN w/ gas, GunhillC.O.L. 64,7 mm / 2.547 inch
PowderStarting loadMaximum load
TypeWeightVelocityWeightVelocity
[g][grs][m/s][fps][g][grs][m/s][fps]
N1201,7026.236011811,90*29.3*4081339
N1302,0030.938912762,30*35.5*4951624