.378 Weatherby Magnum - Manufacturer Loading Data

Bullet
Type
Primer
Case
Trim
Length
 
Starting
Max
Diam.
Source

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: FED 215
Powder: H4350 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.645"
Powder:
102.0 gr
109.0 gr
Vel.:
3,003
3,224
Press.:
 
 
Starting Powder: 102.0 gr
Starting Velocity: 3,003
Starting Pressure:  
Max Powder: 109.0 gr
Max Velocity: 3,224
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: FED 215
Powder: H4831 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.645"
Powder:
107.0 gr
117.0 gr
Vel.:
2,972
3,202
Press.:
 
 
Starting Powder: 107.0 gr
Starting Velocity: 2,972
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity: 3,202
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
105.3 gr
117.0 gr
Vel.:
 
3,227
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity: 3,227
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
105.3 gr
117.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
105.3 gr
117.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
107.1 gr
119.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 107.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 119.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
107.1 gr
119.0 gr
Vel.:
 
3,223
Press.:
 
 
Starting Powder: 107.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 119.0 gr
Max Velocity: 3,223
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  250 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.645"
Powder:
107.1 gr
119.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 107.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 119.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: FED 215
Powder: H4350 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.645"
Powder:
99.0 gr
105.0 gr
Vel.:
2,779
3,091
Press.:
 
 
Starting Powder: 99.0 gr
Starting Velocity: 2,779
Starting Pressure:  
Max Powder: 105.0 gr
Max Velocity: 3,091
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: FED 215
Powder: H4831 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.645"
Powder:
105.0 gr
115.0 gr
Vel.:
2,724
3,102
Press.:
 
 
Starting Powder: 105.0 gr
Starting Velocity: 2,724
Starting Pressure:  
Max Powder: 115.0 gr
Max Velocity: 3,102
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
99.9 gr
111.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 99.9 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 111.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
99.9 gr
111.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 99.9 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 111.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
99.9 gr
111.0 gr
Vel.:
 
2,967
Press.:
 
 
Starting Powder: 99.9 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 111.0 gr
Max Velocity: 2,967
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
100.8 gr
112.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 100.8 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 112.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
100.8 gr
112.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 100.8 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 112.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
100.8 gr
112.0 gr
Vel.:
 
2,971
Press.:
 
 
Starting Powder: 100.8 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 112.0 gr
Max Velocity: 2,971
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
105.3 gr
117.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
105.3 gr
117.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  285 gr
Bullet Type:  SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.635"
Powder:
105.3 gr
117.0 gr
Vel.:
 
2,974
Press.:
 
 
Starting Powder: 105.3 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 117.0 gr
Max Velocity: 2,974
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
98.1 gr
109.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 98.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 109.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
98.1 gr
109.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 98.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 109.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 19 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
98.1 gr
109.0 gr
Vel.:
 
2,829
Press.:
 
 
Starting Powder: 98.1 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 109.0 gr
Max Velocity: 2,829
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
99.0 gr
110.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 99.0 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 110.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
99.0 gr
110.0 gr
Vel.:
 
2,827
Press.:
 
 
Starting Powder: 99.0 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 110.0 gr
Max Velocity: 2,827
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 22 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
99.0 gr
110.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 99.0 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 110.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
104.4 gr
116.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 104.4 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 116.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
104.4 gr
116.0 gr
Vel.:
 
2,907
Press.:
 
 
Starting Powder: 104.4 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 116.0 gr
Max Velocity: 2,907
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  TBBC SP  
(Speer)
Primer: CCI 250 Mag
Powder: Reloder 25 
(Alliant Powder)
Case: Weatherby
Trim Length:  
C.O.L.: 3.640"
Powder:
104.4 gr
116.0 gr
Vel.:
 
 
Press.:
 
 
Starting Powder: 104.4 gr
Starting Velocity:  
Starting Pressure:  
Max Powder: 116.0 gr
Max Velocity:  
Max Pressure:  
Diameter: 
Source: Alliant Powder 

 
GR.:  300 gr
Bullet Type:  PART 
(NOS)
Primer: FED 215
Powder: H4350 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.680"
Powder:
95.0 gr
100.0 gr
Vel.:
2,595
2,940
Press.:
 
 
Starting Powder: 95.0 gr
Starting Velocity: 2,595
Starting Pressure:  
Max Powder: 100.0 gr
Max Velocity: 2,940
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  300 gr
Bullet Type:  PART 
(NOS)
Primer: FED 215
Powder: H4831 
(Hodgdon)
Case: Weatherby
Trim Length: 2.903"
C.O.L.: 3.680"
Powder:
102.0 gr
112.0 gr
Vel.:
2,624
2,926
Press.:
 
 
Starting Powder: 102.0 gr
Starting Velocity: 2,624
Starting Pressure:  
Max Powder: 112.0 gr
Max Velocity: 2,926
Max Pressure:  
Diameter: 0.375"
Source: Hodgdon