.375 RUM (Remington Ultra Magnum) - Manufacturer Loading Data

Bullet
Type
Primer
Case
Trim
Length
 
Starting
Max
Diam.
Source

 
GR.:  210 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
98.0 gr
104.0 gr
Vel.:
3,177
3,321
Press.:
55,600
63,200
Starting Powder: 98.0 gr
Starting Velocity: 3,177
Starting Pressure: 55,600
Max Powder: 104.0 gr
Max Velocity: 3,321
Max Pressure: 63,200
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  210 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
96.0 gr
102.5 gr
Vel.:
3,078
3,293
Press.:
52,100
63,300
Starting Powder: 96.0 gr
Starting Velocity: 3,078
Starting Pressure: 52,100
Max Powder: 102.5 gr
Max Velocity: 3,293
Max Pressure: 63,300
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  210 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: Varget 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
85.0 gr
91.0 gr
Vel.:
3,110
3,271
Press.:
54,700
63,100
Starting Powder: 85.0 gr
Starting Velocity: 3,110
Starting Pressure: 54,700
Max Powder: 91.0 gr
Max Velocity: 3,271
Max Pressure: 63,100
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  210 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
98.0 gr
104.0 gr
Vel.:
3,177
3,321
Press.:
55,600
63,200
Starting Powder: 98.0 gr
Starting Velocity: 3,177
Starting Pressure: 55,600
Max Powder: 104.0 gr
Max Velocity: 3,321
Max Pressure: 63,200
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  225 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.560"
Powder:
96.0 gr
101.0 gr
Vel.:
3,109
3,236
Press.:
55,600
63,400
Starting Powder: 96.0 gr
Starting Velocity: 3,109
Starting Pressure: 55,600
Max Powder: 101.0 gr
Max Velocity: 3,236
Max Pressure: 63,400
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  225 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.560"
Powder:
95.0 gr
101.0 gr
Vel.:
3,027
3,214
Press.:
52,200
62,800
Starting Powder: 95.0 gr
Starting Velocity: 3,027
Starting Pressure: 52,200
Max Powder: 101.0 gr
Max Velocity: 3,214
Max Pressure: 62,800
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  225 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.560"
Powder:
105.0 gr
108.0 gr
Vel.:
3,062
3,137
Press.:
56,200
60,600
Starting Powder: 105.0 gr
Starting Velocity: 3,062
Starting Pressure: 56,200
Max Powder: 108.0 gr
Max Velocity: 3,137
Max Pressure: 60,600
Diameter: 0.375"
Source: Hodgdon 
C 

 
GR.:  225 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.560"
Powder:
96.0 gr
101.0 gr
Vel.:
3,109
3,236
Press.:
55,600
63,400
Starting Powder: 96.0 gr
Starting Velocity: 3,109
Starting Pressure: 55,600
Max Powder: 101.0 gr
Max Velocity: 3,236
Max Pressure: 63,400
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
95.0 gr
100.5 gr
Vel.:
3,027
3,184
Press.:
54,900
62,700
Starting Powder: 95.0 gr
Starting Velocity: 3,027
Starting Pressure: 54,900
Max Powder: 100.5 gr
Max Velocity: 3,184
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
94.0 gr
100.0 gr
Vel.:
3,000
3,163
Press.:
54,600
63,500
Starting Powder: 94.0 gr
Starting Velocity: 3,000
Starting Pressure: 54,600
Max Powder: 100.0 gr
Max Velocity: 3,163
Max Pressure: 63,500
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
102.0 gr
108.0 gr
Vel.:
2,957
3,111
Press.:
53,800
62,800
Starting Powder: 102.0 gr
Starting Velocity: 2,957
Starting Pressure: 53,800
Max Powder: 108.0 gr
Max Velocity: 3,111
Max Pressure: 62,800
Diameter: 0.375"
Source: Hodgdon 
C 

 
GR.:  235 gr
Bullet Type:  SP 
(Speer)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
95.0 gr
100.5 gr
Vel.:
3,027
3,184
Press.:
54,900
62,700
Starting Powder: 95.0 gr
Starting Velocity: 3,027
Starting Pressure: 54,900
Max Powder: 100.5 gr
Max Velocity: 3,184
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  250 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: 2700 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.595"
Powder:
86.4 gr
96.0 gr
Vel.:
2,716
3,018
Press.:
 
61,900
Starting Powder: 86.4 gr
Starting Velocity: 2,716
Starting Pressure:  
Max Powder: 96.0 gr
Max Velocity: 3,018
Max Pressure: 61,900
Diameter: 0.375"
Source: Accurate 

 
GR.:  250 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: 4350 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.595"
Powder:
89.1 gr
99.0 gr
Vel.:
2,732
3,036
Press.:
 
59,800
Starting Powder: 89.1 gr
Starting Velocity: 2,732
Starting Pressure:  
Max Powder: 99.0 gr
Max Velocity: 3,036
Max Pressure: 59,800
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  250 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: 5744 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.595"
Powder:
43.2 gr
 
Vel.:
1,895
 
Press.:
 
 
Starting Powder: 43.2 gr
Starting Velocity: 1,895
Starting Pressure:  
Max Powder:  
Max Velocity:  
Max Pressure:  
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  250 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: Hunter 
(Ramshot)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.575"
Powder:
89.0 gr
99.0 gr
Vel.:
2,800
3,070
Press.:
 
62,900
Starting Powder: 89.0 gr
Starting Velocity: 2,800
Starting Pressure:  
Max Powder: 99.0 gr
Max Velocity: 3,070
Max Pressure: 62,900
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  250 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
88.0 gr
93.5 gr
Vel.:
2,886
3,006
Press.:
57,600
62,700
Starting Powder: 88.0 gr
Starting Velocity: 2,886
Starting Pressure: 57,600
Max Powder: 93.5 gr
Max Velocity: 3,006
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  250 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
89.0 gr
94.5 gr
Vel.:
2,842
3,010
Press.:
52,800
62,700
Starting Powder: 89.0 gr
Starting Velocity: 2,842
Starting Pressure: 52,800
Max Powder: 94.5 gr
Max Velocity: 3,010
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  250 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
98.0 gr
103.0 gr
Vel.:
2,850
3,090
Press.:
55,100
62,700
Starting Powder: 98.0 gr
Starting Velocity: 2,850
Starting Pressure: 55,100
Max Powder: 103.0 gr
Max Velocity: 3,090
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  250 gr
Bullet Type:  XFB 
(Barnes)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.600"
Powder:
88.0 gr
93.5 gr
Vel.:
2,886
3,006
Press.:
57,600
62,700
Starting Powder: 88.0 gr
Starting Velocity: 2,886
Starting Pressure: 57,600
Max Powder: 93.5 gr
Max Velocity: 3,006
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: WIN WLRM
Powder: 2700 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.565"
Powder:
85.0 gr
95.0 gr
Vel.:
2,670
2,950
Press.:
 
64,500
Starting Powder: 85.0 gr
Starting Velocity: 2,670
Starting Pressure:  
Max Powder: 95.0 gr
Max Velocity: 2,950
Max Pressure: 64,500
Diameter: 0.375"
Source: Accurate 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: WIN WLRM
Powder: 4350 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.565"
Powder:
87.0 gr
96.2 gr
Vel.:
2,690
2,970
Press.:
 
62,400
Starting Powder: 87.0 gr
Starting Velocity: 2,690
Starting Pressure:  
Max Powder: 96.2 gr
Max Velocity: 2,970
Max Pressure: 62,400
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
87.0 gr
91.5 gr
Vel.:
2,850
2,933
Press.:
59,100
62,900
Starting Powder: 87.0 gr
Starting Velocity: 2,850
Starting Pressure: 59,100
Max Powder: 91.5 gr
Max Velocity: 2,933
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
88.0 gr
92.5 gr
Vel.:
2,819
2,935
Press.:
56,300
62,900
Starting Powder: 88.0 gr
Starting Velocity: 2,819
Starting Pressure: 56,300
Max Powder: 92.5 gr
Max Velocity: 2,935
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
95.0 gr
101.0 gr
Vel.:
2,767
2,923
Press.:
54,100
62,900
Starting Powder: 95.0 gr
Starting Velocity: 2,767
Starting Pressure: 54,100
Max Powder: 101.0 gr
Max Velocity: 2,923
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  260 gr
Bullet Type:  PART 
(NOS)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
87.0 gr
91.5 gr
Vel.:
2,850
2,933
Press.:
59,100
62,900
Starting Powder: 87.0 gr
Starting Velocity: 2,850
Starting Pressure: 59,100
Max Powder: 91.5 gr
Max Velocity: 2,933
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  270 gr
Bullet Type:  AF 
(Swift)
Primer: WIN WLRM
Powder: 2700 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
83.0 gr
92.5 gr
Vel.:
2,600
2,860
Press.:
 
63,800
Starting Powder: 83.0 gr
Starting Velocity: 2,600
Starting Pressure:  
Max Powder: 92.5 gr
Max Velocity: 2,860
Max Pressure: 63,800
Diameter: 0.375"
Source: Accurate 

 
GR.:  270 gr
Bullet Type:  AF 
(Swift)
Primer: WIN WLRM
Powder: 4350 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
86.0 gr
95.5 gr
Vel.:
2,680
2,880
Press.:
 
62,500
Starting Powder: 86.0 gr
Starting Velocity: 2,680
Starting Pressure:  
Max Powder: 95.5 gr
Max Velocity: 2,880
Max Pressure: 62,500
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
89.0 gr
93.0 gr
Vel.:
2,789
2,924
Press.:
54,400
63,000
Starting Powder: 89.0 gr
Starting Velocity: 2,789
Starting Pressure: 54,400
Max Powder: 93.0 gr
Max Velocity: 2,924
Max Pressure: 63,000
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
90.0 gr
95.0 gr
Vel.:
2,767
2,932
Press.:
52,400
62,600
Starting Powder: 90.0 gr
Starting Velocity: 2,767
Starting Pressure: 52,400
Max Powder: 95.0 gr
Max Velocity: 2,932
Max Pressure: 62,600
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
99.0 gr
104.0 gr
Vel.:
2,779
2,922
Press.:
54,200
62,900
Starting Powder: 99.0 gr
Starting Velocity: 2,779
Starting Pressure: 54,200
Max Powder: 104.0 gr
Max Velocity: 2,922
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 
C 

 
GR.:  270 gr
Bullet Type:  SP 
(HDY)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
89.0 gr
93.0 gr
Vel.:
2,789
2,924
Press.:
54,400
63,000
Starting Powder: 89.0 gr
Starting Velocity: 2,789
Starting Pressure: 54,400
Max Powder: 93.0 gr
Max Velocity: 2,924
Max Pressure: 63,000
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  285 gr
Bullet Type:  GSSP 
(Speer)
Primer: REM 9½M
Powder: H414 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
86.0 gr
91.0 gr
Vel.:
2,720
2,838
Press.:
57,800
63,700
Starting Powder: 86.0 gr
Starting Velocity: 2,720
Starting Pressure: 57,800
Max Powder: 91.0 gr
Max Velocity: 2,838
Max Pressure: 63,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  285 gr
Bullet Type:  GSSP 
(Speer)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
88.0 gr
92.5 gr
Vel.:
2,724
2,836
Press.:
57,500
62,600
Starting Powder: 88.0 gr
Starting Velocity: 2,724
Starting Pressure: 57,500
Max Powder: 92.5 gr
Max Velocity: 2,836
Max Pressure: 62,600
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  285 gr
Bullet Type:  GSSP 
(Speer)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
96.0 gr
101.0 gr
Vel.:
2,706
2,830
Press.:
55,500
62,900
Starting Powder: 96.0 gr
Starting Velocity: 2,706
Starting Pressure: 55,500
Max Powder: 101.0 gr
Max Velocity: 2,830
Max Pressure: 62,900
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  285 gr
Bullet Type:  GSSP 
(Speer)
Primer: REM 9½M
Powder: 760 
(Winchester)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.570"
Powder:
86.0 gr
91.0 gr
Vel.:
2,720
2,838
Press.:
57,800
63,700
Starting Powder: 86.0 gr
Starting Velocity: 2,720
Starting Pressure: 57,800
Max Powder: 91.0 gr
Max Velocity: 2,838
Max Pressure: 63,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  300 gr
Bullet Type:  PART 
(NOS)
Primer: WIN WLRM
Powder: 2700 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
78.0 gr
87.0 gr
Vel.:
2,450
2,720
Press.:
 
64,500
Starting Powder: 78.0 gr
Starting Velocity: 2,450
Starting Pressure:  
Max Powder: 87.0 gr
Max Velocity: 2,720
Max Pressure: 64,500
Diameter: 0.375"
Source: Accurate 

 
GR.:  300 gr
Bullet Type:  PART 
(NOS)
Primer: WIN WLRM
Powder: 4350 
(Accurate)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
83.3 gr
92.5 gr
Vel.:
2,471
2,746
Press.:
 
61,500
Starting Powder: 83.3 gr
Starting Velocity: 2,471
Starting Pressure:  
Max Powder: 92.5 gr
Max Velocity: 2,746
Max Pressure: 61,500
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  300 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: Hunter 
(Ramshot)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.585"
Powder:
83.0 gr
92.0 gr
Vel.:
2,580
2,820
Press.:
 
62,800
Starting Powder: 83.0 gr
Starting Velocity: 2,580
Starting Pressure:  
Max Powder: 92.0 gr
Max Velocity: 2,820
Max Pressure: 62,800
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  300 gr
Bullet Type:  SBT GK 
(Sierra)
Primer: WIN WLRM
Powder: Magnum 
(Ramshot)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.585"
Powder:
98.0 gr
106.0 gr
Vel.:
2,690
2,850
Press.:
 
58,000
Starting Powder: 98.0 gr
Starting Velocity: 2,690
Starting Pressure:  
Max Powder: 106.0 gr
Max Velocity: 2,850
Max Pressure: 58,000
Diameter: 0.375"
Source: Accurate 
C 

 
GR.:  300 gr
Bullet Type:  SP 
(Swift)
Primer: REM 9½M
Powder: H1000 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
103.0 gr
105.0 gr
Vel.:
2,628
2,678
Press.:
54,000
57,600
Starting Powder: 103.0 gr
Starting Velocity: 2,628
Starting Pressure: 54,000
Max Powder: 105.0 gr
Max Velocity: 2,678
Max Pressure: 57,600
Diameter: 0.375"
Source: Hodgdon 
C 

 
GR.:  300 gr
Bullet Type:  SP 
(Swift)
Primer: REM 9½M
Powder: H4350 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
85.0 gr
90.0 gr
Vel.:
2,598
2,733
Press.:
54,400
62,700
Starting Powder: 85.0 gr
Starting Velocity: 2,598
Starting Pressure: 54,400
Max Powder: 90.0 gr
Max Velocity: 2,733
Max Pressure: 62,700
Diameter: 0.375"
Source: Hodgdon 

 
GR.:  300 gr
Bullet Type:  SP 
(Swift)
Primer: REM 9½M
Powder: H4831 
(Hodgdon)
Case: REM
Trim Length: 2.840"
C.O.L.: 3.550"
Powder:
92.0 gr
97.0 gr
Vel.:
2,593
2,719
Press.:
54,600
62,500
Starting Powder: 92.0 gr
Starting Velocity: 2,593
Starting Pressure: 54,600
Max Powder: 97.0 gr
Max Velocity: 2,719
Max Pressure: 62,500
Diameter: 0.375"
Source: Hodgdon