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Load data for .375 Rem. Ultra Mag + .375 | 250gr | NorthFork Bonded Core

Recommended Powder(s):

.375 Rem. Ultra Mag + .375 | 250gr | NorthFork Bonded Core

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 250gr | NorthFork Bonded Core
Bullet Weight:
250gr | 16.2g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.183" | 30.0mm
Caliber:
.375 Rem. Ultra Mag load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.546" | 90.1mm
Seated Depth:
0.487" | 12.4mm
Shank Seated Depth:
0.487" | 12.4mm
Case Capacity:
117.0 Grains of Water | 7.60 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B3928_C557
Last updated:
2025-01-01

Load data for 192 loads in caliber .375 Rem. Ultra Mag with .375 | 250gr | NorthFork Bonded Core bullet and 96 powder(s). The key underlying parameters are shown in the table above.

  • Important Notice: DO NOT go below Minimum Charge or above Maximum Charge unless there are reasons. Since xxlreloading.com has no control over the equipment and components used by the customer and the data used in connection with the website, any responsibility and liability for the results achieved is rejected. Also see our Terms of Service

    Questions regarding the load data: Please read the information in the next tab "Explanations".

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  • .

    Use the Personalized Load Calculator to customize loads to your own specific requirements. Find more details in the help section.

    Our default view only displays powders/loads that fulfill certain criteria: Max pressure of a load <=90% of Max. Standardized Pressure. Fill Rate (Min FR): >80% and <100% for rife loads,  >60% and <100% for pistol loads. Min. Propellant Combustion (Min z): >90% for rifle loads , >80% for pistol/revolver loads. Relax these criteria at your own risk to potentially get more powders shown in the load tables.

Click on the desired row in the tables below to add a specific load / powder to your Diary and manage there.

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
85%
56985
89%
**89
100%
ADI AR 2208
<<locked>>
90%
57392
90%
**82
100%
ADI AR 2209
<<locked>>
97%
49110
77%
**23
95%
Accurate 2200
<<locked>>
84%
57348
90%
**69
100%
Accurate 2495
<<locked>>
83%
57116
90%
**40
100%
Accurate 2700
<<locked>>
91%
57101
89%
**26
98%
Accurate 3100
<<locked>>
97%
41597
65%
**75
97%
Accurate 4064
<<locked>>
89%
57000
89%
**56
100%
Accurate 4350 👍
<<locked>>
96%
57174
90%
**41
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
57348
90%
**99
100%
Alliant Reloder-15
<<locked>>
88%
57029
89%
**08
100%
Alliant Reloder-16 👍
<<locked>>
97%
55013
86%
**54
100%
Alliant Reloder-17
<<locked>>
93%
56768
89%
**94
100%
Alliant Reloder-19
<<locked>>
97%
47834
75%
**10
95%
[Alliant Reloder-22]*
<<locked>>
97%
41901
66%
**31
94%
Alliant Reloder-23
<<locked>>
97%
39929
63%
**08
99%
Alliant Reloder-25
<<locked>>
97%
35041
55%
**00
95%
Alliant Reloder-26
<<locked>>
97%
44527
70%
**62
99%
Baschieri & Pellagri 107
<<locked>>
85%
57406
90%
**08
100%
Hodgdon BL-C2
<<locked>>
83%
57217
90%
**99
100%
Hodgdon CFE223
<<locked>>
88%
57058
89%
**35
100%
Hodgdon H380
<<locked>>
89%
57174
90%
**02
100%
Hodgdon H414
<<locked>>
92%
57043
89%
**54
99%
Hodgdon H4350
<<locked>>
97%
53258
83%
**36
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
45440
71%
**28
92%
Hodgdon Hybrid 100V
<<locked>>
97%
51169
80%
**26
100%
Hodgdon LVR
<<locked>>
95%
56956
89%
**35
100%
Hodgdon Superperformance
<<locked>>
95%
57174
90%
**81
99%
Hodgdon VARGET
<<locked>>
91%
57392
90%
**82
100%
Hodgdon TrailBoss
<<locked>>
97%
34272
54%
**96
100%
IMR 3031
<<locked>>
87%
57305
90%
**72
100%
IMR 4064
<<locked>>
91%
57072
89%
**72
100%
IMR 4166 Enduron
<<locked>>
91%
57000
89%
**53
99%
IMR 4350
<<locked>>
97%
56347
88%
**82
98%
IMR 4451 Enduron
<<locked>>
93%
57116
90%
**79
99%
IMR 4831
<<locked>>
97%
48544
76%
**03
99%
IMR 4895
<<locked>>
87%
57363
90%
**18
100%
[IMR 4955 Enduron]*
<<locked>>
97%
45847
72%
**98
92%
[IMR 7828 SSC]*
<<locked>>
97%
44338
69%
**61
92%
IMR 8208 XBR
<<locked>>
84%
56971
89%
**56
100%
Lovex D073.6
<<locked>>
85%
57145
90%
**66
100%
Lovex S060
<<locked>>
85%
57101
89%
**30
100%
Lovex S062
<<locked>>
89%
57334
90%
**62
100%
Lovex S065
<<locked>>
95%
57203
90%
**79
99%
Lovex S070
<<locked>>
96%
57363
90%
**02
99%
[Lovex S071]*
<<locked>>
97%
34635
54%
**31
94%
Norma 201
<<locked>>
86%
57174
90%
**53
100%
Norma 202
<<locked>>
85%
56913
89%
**43
100%
Norma 203B
<<locked>>
88%
57377
90%
**12
100%
Norma 204
<<locked>>
97%
56855
89%
**28
97%
Norma MRP
<<locked>>
97%
44222
69%
**17
96%
Norma URP 👍
<<locked>>
97%
56333
88%
**38
100%
Ramshot Big Game
<<locked>>
88%
56985
89%
**15
100%
Ramshot Hunter
<<locked>>
97%
55143
86%
**25
99%
[Ramshot Magnum]*
<<locked>>
97%
40364
63%
**75
93%
Ramshot TAC
<<locked>>
83%
57392
90%
**76
100%
Ramshot Wild Boar
<<locked>>
83%
57116
90%
**92
100%
ReloadSwiss RS 14
<<locked>>
96%
34621
54%
**29
100%
ReloadSwiss RS 50
<<locked>>
89%
57232
90%
**82
99%
ReloadSwiss RS 52
<<locked>>
88%
57188
90%
**22
100%
ReloadSwiss RS 60
<<locked>>
94%
57421
90%
**17
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
57363
90%
**71
100%
ReloadSwiss RS 70
<<locked>>
97%
56666
89%
**00
100%
Rottweil R 901
<<locked>>
83%
56739
89%
**20
100%
Rottweil R 902
<<locked>>
87%
57072
89%
**43
100%
Rottweil R 903
<<locked>>
92%
57421
90%
**99
100%
[Rottweil R 904]*
<<locked>>
97%
50314
79%
**90
94%
Rottweil R 905
<<locked>>
97%
46456
73%
**84
95%
Rottweil R 907
<<locked>>
94%
57290
90%
**76
98%
SNPE Vectan SP 11
<<locked>>
91%
57246
90%
**28
100%
SNPE Vectan SP 7
<<locked>>
84%
57029
89%
**76
100%
SNPE Vectan SP 9
<<locked>>
86%
57101
89%
**85
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57305
90%
**80
100%
SNPE Vectan Tubal 5000
<<locked>>
91%
56985
89%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
56724
89%
**23
99%
Shooters World Long Rifle
<<locked>>
95%
57203
90%
**79
99%
Shooters World Match Rifle
<<locked>>
85%
57145
90%
**66
100%
Shooters World Precision
<<locked>>
89%
57334
90%
**62
100%
Somchem S335
<<locked>>
85%
57305
90%
**84
100%
Somchem S341
<<locked>>
84%
57188
90%
**62
100%
Somchem S355
<<locked>>
92%
57276
90%
**85
100%
[Somchem S361]*
<<locked>>
97%
52286
82%
**87
94%
Somchem S365
<<locked>>
97%
51648
81%
**89
100%
Somchem S385
<<locked>>
97%
47253
74%
**64
96%
Vihtavuori N133
<<locked>>
87%
57101
89%
**61
100%
Vihtavuori N135
<<locked>>
93%
56884
89%
**07
100%
Vihtavuori N140
<<locked>>
87%
57043
89%
**17
100%
Vihtavuori N150
<<locked>>
97%
57130
90%
**53
100%
Vihtavuori N160
<<locked>>
94%
57334
90%
**99
100%
[Vihtavuori N165]*
<<locked>>
97%
39291
62%
**03
93%
Vihtavuori N540
<<locked>>
87%
56869
89%
**46
100%
Vihtavuori N550 👍
<<locked>>
94%
57145
90%
**44
100%
Vihtavuori N555
<<locked>>
97%
43961
69%
**77
99%
Winchester 6.5 StaBALL
<<locked>>
96%
57348
90%
**76
100%
Winchester 760
<<locked>>
92%
57043
89%
**54
99%
Winchester StaBALL HD
<<locked>>
97%
35331
55%
**02
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
50386
79%
**94
100%
ADI AR 2208
<<locked>>
81%
42946
67%
**49
99%
[ADI AR 2209]*
<<locked>>
87%
35433
56%
**41
90%
Accurate 2200
<<locked>>
81%
52634
82%
**97
100%
Accurate 2495
<<locked>>
81%
52968
83%
**87
100%
[Accurate 2700]*
<<locked>>
81%
41118
64%
**67
94%
[Accurate 3100]*
<<locked>>
84%
27180
43%
**44
90%
Accurate 4064
<<locked>>
81%
44860
70%
**82
100%
Accurate 4350
<<locked>>
81%
33141
52%
**15
96%
Alliant Reloder- TS 15.5
<<locked>>
81%
42699
67%
**75
100%
Alliant Reloder-15
<<locked>>
81%
45948
72%
**35
99%
Alliant Reloder-16
<<locked>>
81%
33185
52%
**34
96%
Alliant Reloder-17
<<locked>>
81%
37260
58%
**56
99%
[Alliant Reloder-19]*
<<locked>>
87%
34708
54%
**38
90%
[Alliant Reloder-22]*
<<locked>>
91%
34548
54%
**67
90%
[Alliant Reloder-23]*
<<locked>>
81%
24134
38%
**82
92%
[Alliant Reloder-25]*
<<locked>>
90%
28703
45%
**13
90%
[Alliant Reloder-26]*
<<locked>>
82%
26527
42%
**03
90%
Baschieri & Pellagri 107
<<locked>>
81%
50227
79%
**03
100%
Hodgdon BL-C2
<<locked>>
81%
53214
83%
**46
100%
Hodgdon CFE223
<<locked>>
81%
44759
70%
**51
99%
Hodgdon H380
<<locked>>
81%
43439
68%
**85
98%
[Hodgdon H414]*
<<locked>>
81%
38609
61%
**30
94%
[Hodgdon H4350]*
<<locked>>
81%
32358
51%
**36
91%
[Hodgdon H4831 SC]*
<<locked>>
94%
41379
65%
**43
90%
Hodgdon Hybrid 100V
<<locked>>
81%
30560
48%
**33
96%
Hodgdon LVR
<<locked>>
81%
36201
57%
**70
96%
[Hodgdon Superperformance]*
<<locked>>
81%
34867
55%
**61
92%
Hodgdon VARGET
<<locked>>
81%
42540
67%
**43
99%
Hodgdon TrailBoss
<<locked>>
91%
31560
49%
**40
100%
IMR 3031
<<locked>>
81%
46905
73%
**35
100%
IMR 4064
<<locked>>
81%
41989
66%
**26
99%
IMR 4166 Enduron
<<locked>>
81%
41539
65%
**93
95%
[IMR 4350]*
<<locked>>
81%
33953
53%
**69
92%
[IMR 4451 Enduron]*
<<locked>>
81%
39595
62%
**77
94%
[IMR 4831]*
<<locked>>
81%
29109
46%
**97
94%
IMR 4895
<<locked>>
81%
47036
74%
**61
100%
[IMR 4955 Enduron]*
<<locked>>
92%
39726
62%
**87
90%
[IMR 7828 SSC]*
<<locked>>
94%
40335
63%
**79
90%
IMR 8208 XBR
<<locked>>
81%
52518
82%
**97
100%
Lovex D073.6
<<locked>>
81%
50386
79%
**77
100%
Lovex S060
<<locked>>
81%
49937
78%
**31
100%
Lovex S062
<<locked>>
81%
45107
71%
**89
100%
Lovex S065
<<locked>>
81%
37144
58%
**34
95%
[Lovex S070]*
<<locked>>
81%
35157
55%
**05
93%
[Lovex S071]*
<<locked>>
90%
27253
43%
**44
90%
Norma 201
<<locked>>
81%
49487
78%
**44
100%
Norma 202
<<locked>>
81%
49922
78%
**48
100%
Norma 203B
<<locked>>
81%
45179
71%
**21
99%
[Norma 204]*
<<locked>>
83%
35085
55%
**28
90%
[Norma MRP]*
<<locked>>
87%
31488
49%
**18
90%
Norma URP
<<locked>>
81%
33460
52%
**21
96%
Ramshot Big Game
<<locked>>
81%
45252
71%
**44
99%
[Ramshot Hunter]*
<<locked>>
81%
32677
51%
**98
93%
[Ramshot Magnum]*
<<locked>>
92%
34374
54%
**34
90%
Ramshot TAC
<<locked>>
81%
52808
83%
**17
99%
Ramshot Wild Boar
<<locked>>
81%
52707
83%
**33
100%
ReloadSwiss RS 14
<<locked>>
87%
30182
47%
**44
100%
ReloadSwiss RS 50
<<locked>>
81%
43903
69%
**69
97%
ReloadSwiss RS 52
<<locked>>
81%
44643
70%
**35
100%
ReloadSwiss RS 60
<<locked>>
81%
36158
57%
**39
99%
ReloadSwiss RS 62
<<locked>>
81%
33011
52%
**34
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32808
51%
**31
94%
Rottweil R 901
<<locked>>
81%
53403
84%
**77
100%
Rottweil R 902
<<locked>>
81%
46920
74%
**95
100%
Rottweil R 903
<<locked>>
81%
40277
63%
**23
99%
[Rottweil R 904]*
<<locked>>
88%
38261
60%
**64
90%
[Rottweil R 905]*
<<locked>>
87%
33924
53%
**25
90%
[Rottweil R 907]*
<<locked>>
81%
38290
60%
**48
93%
SNPE Vectan SP 11
<<locked>>
81%
41336
65%
**79
99%
SNPE Vectan SP 7
<<locked>>
81%
51474
81%
**94
99%
SNPE Vectan SP 9
<<locked>>
81%
48994
77%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50517
79%
**89
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42221
66%
**64
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36506
57%
**79
94%
Shooters World Long Rifle
<<locked>>
81%
37144
58%
**34
95%
Shooters World Match Rifle
<<locked>>
81%
50386
79%
**77
100%
Shooters World Precision
<<locked>>
81%
45107
71%
**89
100%
Somchem S335
<<locked>>
81%
50314
79%
**92
100%
Somchem S341
<<locked>>
81%
51213
80%
**87
100%
Somchem S355
<<locked>>
81%
40944
64%
**30
99%
[Somchem S361]*
<<locked>>
89%
40509
63%
**80
90%
Somchem S365
<<locked>>
81%
30081
47%
**75
98%
[Somchem S385]*
<<locked>>
85%
31488
49%
**46
90%
Vihtavuori N133
<<locked>>
81%
47543
75%
**33
100%
Vihtavuori N135
<<locked>>
81%
39798
62%
**64
100%
Vihtavuori N140
<<locked>>
81%
46731
73%
**75
100%
Vihtavuori N150
<<locked>>
81%
34882
55%
**85
99%
Vihtavuori N160
<<locked>>
81%
36390
57%
**54
97%
[Vihtavuori N165]*
<<locked>>
91%
32909
52%
**62
90%
Vihtavuori N540
<<locked>>
81%
46296
73%
**98
100%
Vihtavuori N550
<<locked>>
81%
36753
58%
**87
96%
[Vihtavuori N555]*
<<locked>>
81%
25759
40%
**57
92%
Winchester 6.5 StaBALL
<<locked>>
81%
34664
54%
**98
98%
[Winchester 760]*
<<locked>>
81%
38609
61%
**30
94%
[Winchester StaBALL HD]*
<<locked>>
84%
23279
36%
**98
90%

Start Load - Barrel Length: 23.60''

Any powder missing? Then click here.

FR ... fill rate of the cartridge in percent

MaxP ... max. pressure of load in psi or bar

% ... max. pressure of load in percent of the maximum allowed pressure for this caliber 

V(0) ... muzzle velocity in feet per second (fps) or  meters per second (m/s)

z ... powder burnt in percent

[...] *... not dangerous but load has suboptimal powder burnt with possible characteristics such as extensive muzzle flash or inaccurate loads.

[...] ²... fill rate low - you might want to consider using a filler to ensure proper ignition.

[...] ᴾ... possible press load - work up slowly to this load while watching for signs of excessive pressure.

👍  ... recommended powder/load for this caliber and bullet combination based on its ballistic performance.

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