.257 Weatherby Magnum - Manufacturer Loading Data

Bullet
Type
Primer Case Trim
Length
C.O.L. Grains Vel. Press. Diam. Source
    70 gr  BK
(Sierra)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.170" Starting:  64.4 gr       0.257" Accurate
Max: 71.5 gr   61,587
    70 gr  BK
(Sierra)
 WIN WLR  5744
(Accurate)
 Weatherby  2.539"  3.170" Starting:  39.7 gr       0.257" Accurate
Max: 49.7 gr   59,452
    70 gr  BK
(Sierra)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.170" Starting:  71.9 gr       0.257" Accurate
Max: 79.9 gr   61,359
    70 gr  BK
(Sierra)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.170" Starting:  72.6 gr       0.257" Accurate
Max: 80.7 gr   61,349
    75 gr  HP
(HDY)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.140" Starting:  64.1 gr       0.257" Accurate
Max: 71.2 gr   61,894
    75 gr  HP
(HDY)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.140" Starting:  70.5 gr       0.257" Accurate
Max: 78.3 gr   62,348
    75 gr  HP
(HDY)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.140" Starting:  70.0 gr       0.257" Accurate
Max: 77.8 gr   61,594
    75 gr  V-MAX
(HDY)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  76.0 gr    37,700  0.257" Hodgdon
C 
Max: 80.0 gr   42,000
    75 gr  V-MAX
(HDY)
 FED 215  H414
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  65.0 gr    44,200  0.257" Hodgdon
Max: 69.5 gr   52,400
    75 gr  V-MAX
(HDY)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  65.0 gr    43,100  0.257" Hodgdon
Max: 70.0 gr   51,800
    75 gr  V-MAX
(HDY)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  71.0 gr    45,200  0.257" Hodgdon
Max: 75.0 gr   51,900
    85 gr  B-TIP
(NOS)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.240" Starting:  60.6 gr       0.257" Accurate
Max: 67.3 gr   61,547
    85 gr  B-TIP
(NOS)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.240" Starting:  69.0 gr       0.257" Accurate
Max: 76.6 gr   61,599
    85 gr  B-TIP
(NOS)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  69.4 gr       0.257" Accurate
Max: 77.1 gr   62,003
    85 gr  BT
(NOS)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  76.0 gr    44,600  0.257" Hodgdon
C 
Max: 80.0 gr   47,900
    85 gr  BT
(NOS)
 FED 215  H414
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  62.5 gr    44,800  0.257" Hodgdon
Max: 66.5 gr   51,700
    85 gr  BT
(NOS)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  63.0 gr    44,400  0.257" Hodgdon
Max: 67.0 gr   51,600
    85 gr  BT
(NOS)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  68.0 gr    45,000  0.257" Hodgdon
Max: 72.0 gr   52,200
    85 gr  BT
(NOS)
 FED 215  IMR 7828
(Improved Military Rifle)
 Weatherby  2.535"  3.170" Starting:          0.257" Hodgdon
Max: 74.5 gr   53,500
    85 gr  B-TIP
(NOS)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  76.5 gr       0.257" Accurate
C 
Max: 84.9 gr   61,048
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 19
(Alliant Powder)
 FED     3.150" Starting:  61.2 gr        Alliant Powder
Max: 68.0 gr    
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 19
(Alliant Powder)
 FED     3.150" Starting:  61.2 gr        Alliant Powder
Max: 68.0 gr    
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.150" Starting:  63.9 gr        Alliant Powder
Max: 71.0 gr    
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.150" Starting:  63.9 gr        Alliant Powder
Max: 71.0 gr    
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.150" Starting:  65.7 gr        Alliant Powder
Max: 73.0 gr    
    87 gr  SP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.150" Starting:  65.7 gr        Alliant Powder
Max: 73.0 gr    
    90 gr  GMX
(HDY)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.180" Starting:  59.9 gr       0.257" Accurate
Max: 66.6 gr   62,146
    90 gr  BK
(Sierra)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.150" Starting:  60.4 gr       0.257" Accurate
Max: 67.1 gr   61,489
    90 gr  BK
(Sierra)
 WIN WLR  5744
(Accurate)
 Weatherby  2.539"  3.150" Starting:  34.5 gr       0.257" Accurate
Max: 46.0 gr   59,189
    90 gr  GMX
(HDY)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.180" Starting:  67.5 gr       0.257" Accurate
Max: 75.0 gr   62,486
    90 gr  BK
(Sierra)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.150" Starting:  67.4 gr       0.257" Accurate
Max: 74.9 gr   61,489
    90 gr  GMX
(HDY)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.180" Starting:  68.1 gr       0.257" Accurate
Max: 75.7 gr   61,472
    90 gr  BK
(Sierra)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.150" Starting:  67.2 gr       0.257" Accurate
Max: 74.6 gr   62,318
    90 gr  HPBT
(Sierra)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.150" Starting:  76.0 gr    43,800  0.257" Hodgdon
C 
Max: 80.0 gr   50,000
    90 gr  HPBT
(Sierra)
 FED 215  H414
(Hodgdon)
 Weatherby  2.535"  3.150" Starting:  62.0 gr    44,000  0.257" Hodgdon
Max: 66.0 gr   52,200
    90 gr  HPBT
(Sierra)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.150" Starting:  62.5 gr    46,600  0.257" Hodgdon
Max: 66.5 gr   52,400
    90 gr  HPBT
(Sierra)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.150" Starting:  67.0 gr    44,400  0.257" Hodgdon
Max: 71.0 gr   52,500
    90 gr  GMX
(HDY)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.180" Starting:  74.4 gr       0.257" Accurate
C 
Max: 82.7 gr   60,108
    90 gr  BK
(Sierra)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.150" Starting:  75.7 gr       0.257" Accurate
C 
Max: 84.1 gr   62,181
    100 gr  SP
(HDY)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.180" Starting:  59.4 gr       0.257" Accurate
Max: 62.5 gr   61,100
    100 gr  E-TIP
(NOS)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.240" Starting:  56.5 gr       0.257" Accurate
Max: 62.7 gr   61,728
    100 gr  AF
(Swift)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.160" Starting:  58.2 gr       0.257" Accurate
Max: 64.6 gr   61,251
    100 gr  TSX-BT
(Barnes)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.160" Starting:  64.1 gr       0.257" Accurate
Max: 71.2 gr   60,018
    100 gr  E-TIP
(NOS)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.240" Starting:  63.8 gr       0.257" Accurate
Max: 70.9 gr   61,829
    100 gr  AF
(Swift)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.160" Starting:  65.4 gr       0.257" Accurate
Max: 72.6 gr   61,135
    100 gr  TSX-BT
(Barnes)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  65.9 gr       0.257" Accurate
Max: 73.3 gr   62,361
    100 gr  E-TIP
(NOS)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  65.0 gr       0.257" Accurate
Max: 72.2 gr   61,814
    100 gr  AF
(Swift)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  65.3 gr       0.257" Accurate
Max: 72.6 gr   61,258
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 19
(Alliant Powder)
 FED     3.150" Starting:  58.5 gr        Alliant Powder
Max: 65.0 gr    
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 19
(Alliant Powder)
 FED     3.150" Starting:  58.5 gr        Alliant Powder
Max: 65.0 gr    
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.150" Starting:  61.2 gr        Alliant Powder
Max: 68.0 gr    
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.150" Starting:  61.2 gr        Alliant Powder
Max: 68.0 gr    
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.150" Starting:  65.7 gr        Alliant Powder
Max: 73.0 gr    
    100 gr  SP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.150" Starting:  65.7 gr        Alliant Powder
Max: 73.0 gr    
    100 gr  SPBT
(Speer)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.200" Starting:  73.0 gr    45,800  0.257" Hodgdon
Max: 78.0 gr   52,400
    100 gr  SPBT
(Speer)
 FED 215  H414
(Hodgdon)
 Weatherby  2.535"  3.200" Starting:  59.0 gr    45,300  0.257" Hodgdon
Max: 62.5 gr   51,800
    100 gr  SPBT
(Speer)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.200" Starting:  59.0 gr    44,900  0.257" Hodgdon
Max: 63.0 gr   52,400
    100 gr  SPBT
(Speer)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.200" Starting:  64.0 gr    45,800  0.257" Hodgdon
Max: 68.0 gr   52,500
    100 gr  SPBT
(Speer)
 FED 215  IMR 7828
(Improved Military Rifle)
 Weatherby  2.535"  3.200" Starting:          0.257" Hodgdon
Max: 73.0 gr   53,100
    100 gr  TSX-BT
(Barnes)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  72.1 gr       0.257" Accurate
C 
Max: 80.2 gr   62,028
    100 gr  E-TIP
(NOS)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  71.6 gr       0.257" Accurate
C 
Max: 79.6 gr   61,543
    100 gr  AF
(Swift)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  71.8 gr       0.257" Accurate
C 
Max: 79.8 gr   61,349
    115 gr  B-TIP
(NOS)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.250" Starting:  56.1 gr       0.257" Accurate
Max: 59.0 gr   59,600
    115 gr  TSX-FB
(Barnes)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.160" Starting:  61.9 gr       0.257" Accurate
Max: 68.8 gr   61,712
    115 gr  VLD
(Berger Bullets)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.240" Starting:  61.9 gr       0.257" Accurate
Max: 68.8 gr   60,883
    115 gr  TSX-FB
(Barnes)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  63.3 gr       0.257" Accurate
Max: 70.4 gr   61,628
    115 gr  VLD
(Berger Bullets)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  62.6 gr       0.257" Accurate
Max: 69.6 gr   62,174
    115 gr  XFB
(Barnes)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  67.0 gr    50,000  0.257" Hodgdon
Max: 71.0 gr   52,700
    115 gr  XFB
(Barnes)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  56.0 gr    46,900  0.257" Hodgdon
Max: 60.0 gr   52,500
    115 gr  XFB
(Barnes)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.250" Starting:  60.0 gr    46,200  0.257" Hodgdon
Max: 64.0 gr   52,000
    115 gr  TSX-FB
(Barnes)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.160" Starting:  69.3 gr       0.257" Accurate
C 
Max: 77.0 gr   62,084
    115 gr  VLD
(Berger Bullets)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  69.2 gr       0.257" Accurate
C 
Max: 76.9 gr   61,428
    117 gr  SBT-GK
(Sierra)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.250" Starting:  61.9 gr       0.257" Accurate
Max: 68.8 gr   60,729
    117 gr  SBT-GK
(Sierra)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.250" Starting:  62.0 gr       0.257" Accurate
Max: 68.9 gr   61,568
    117 gr  SPBT
(HDY)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  70.0 gr    45,200  0.257" Hodgdon
Max: 74.0 gr   51,800
    117 gr  SPBT
(HDY)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  57.0 gr    46,000  0.257" Hodgdon
Max: 60.5 gr   52,000
    117 gr  SPBT
(HDY)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  62.0 gr    44,800  0.257" Hodgdon
Max: 66.0 gr   52,300
    117 gr  SPBT
(HDY)
 FED 215  IMR 7828
(Improved Military Rifle)
 Weatherby  2.535"  3.220" Starting:          0.257" Hodgdon
Max: 70.0 gr   52,600
    117 gr  SBT-GK
(Sierra)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.250" Starting:  68.7 gr       0.257" Accurate
C 
Max: 76.4 gr   62,341
    120 gr  SBTSP
(Speer)
 WIN WLR  4350
(Accurate)
 Weatherby  2.539"  3.215" Starting:  56.1 gr       0.257" Accurate
Max: 59.0 gr   60,100
    120 gr  PART
(NOS)
 WIN WLR  5744
(Accurate)
 Weatherby  2.539"  3.240" Starting:  31.4 gr       0.257" Accurate
Max: 40.7 gr   59,206
    120 gr  PART
(NOS)
 WIN WLR  MagPro
(Accurate)
 Weatherby  2.539"  3.240" Starting:  60.3 gr       0.257" Accurate
Max: 67.0 gr   61,682
    120 gr  PART
(NOS)
 WIN WLR  Magnum
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  61.2 gr       0.257" Accurate
Max: 68.0 gr   61,843
    120 gr  BTSP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.170" Starting:  56.7 gr        Alliant Powder
Max: 63.0 gr    
    120 gr  BTSP
(Speer)
 CCI 250 Mag  Reloder 22
(Alliant Powder)
 FED     3.170" Starting:  56.7 gr        Alliant Powder
Max: 63.0 gr    
    120 gr  BTSP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.170" Starting:  60.3 gr        Alliant Powder
Max: 67.0 gr    
    120 gr  BTSP
(Speer)
 CCI 250 Mag  Reloder 25
(Alliant Powder)
 FED     3.170" Starting:  60.3 gr        Alliant Powder
Max: 67.0 gr    
    120 gr  SP
(Swift)
 FED 215  H1000
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  69.0 gr    45,700  0.257" Hodgdon
Max: 73.0 gr   51,800
    120 gr  SP
(Swift)
 FED 215  H4350
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  56.0 gr    44,400  0.257" Hodgdon
Max: 60.0 gr   51,800
    120 gr  SP
(Swift)
 FED 215  H4831
(Hodgdon)
 Weatherby  2.535"  3.220" Starting:  61.0 gr    44,600  0.257" Hodgdon
Max: 65.0 gr   51,800
    120 gr  SP
(Swift)
 FED 215  IMR 7828
(Improved Military Rifle)
 Weatherby  2.535"  3.220" Starting:          0.257" Hodgdon
Max: 69.0 gr   53,000
    120 gr  PART
(NOS)
 WIN WLR  LRT
(Ramshot)
 Weatherby  2.539"  3.240" Starting:  69.1 gr       0.257" Accurate
C 
Max: 76.8 gr   62,037