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Load data for .375 Rem. Ultra Mag + .375 | 300gr | Nosler Solid

Recommended Powder(s):

.375 Rem. Ultra Mag + .375 | 300gr | Nosler Solid

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 300gr | Nosler Solid
Manufacturer SKU:
28451
Bullet Weight:
300gr | 19.4g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.417" | 36.0mm
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:
0.721" | 18.3mm
Shank Seated Depth:
0.721" | 18.3mm
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_B4186_C557
Last updated:
2025-01-01

Load data for 174 loads in caliber .375 Rem. Ultra Mag with .375 | 300gr | Nosler Solid bullet and 87 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

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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 2208
88%
89%
100%
ADI AR 2209
97%
83%
98%
ADI AR 2213
97%
73%
95%
Accurate 2700
89%
90%
99%
Accurate 3100
97%
72%
99%
Accurate 4064
86%
90%
100%
Accurate 4350
94%
89%
100%
Accurate MAGPRO
97%
70%
93%
Alliant Reloder- TS 15.5
88%
89%
100%
Alliant Reloder-15
86%
89%
100%
Alliant Reloder-16
96%
90%
100%
Alliant Reloder-17
91%
89%
100%
Alliant Reloder-19
97%
81%
98%
Alliant Reloder-22
97%
71%
97%
Alliant Reloder-23
97%
68%
100%
Alliant Reloder-25
97%
60%
98%
Alliant Reloder-26
97%
76%
100%
Hodgdon CFE223
86%
89%
100%
Hodgdon H380
87%
90%
100%
Hodgdon H414
90%
89%
100%
Hodgdon H4350
97%
90%
99%
Hodgdon H4831
97%
68%
93%
Hodgdon H4831 SC
97%
77%
95%
Hodgdon Hybrid 100V
97%
87%
100%
Hodgdon LVR
92%
90%
100%
Hodgdon Superperformance
93%
90%
99%
Hodgdon VARGET
89%
90%
100%
IMR 3031
85%
90%
100%
IMR 4064
89%
89%
100%
IMR 4166 Enduron
90%
90%
99%
IMR 4350
95%
90%
99%
IMR 4451 Enduron
91%
90%
99%
IMR 4831
97%
83%
100%
IMR 4895
85%
90%
100%
IMR 4955 Enduron
97%
77%
95%
IMR 7828 SSC
97%
76%
96%
Lovex S060
83%
90%
100%
Lovex S062
86%
89%
100%
Lovex S065
93%
90%
100%
Lovex S070
94%
90%
100%
Lovex S071
97%
59%
97%
Norma 201
84%
89%
100%
Norma 202
83%
89%
100%
Norma 203B
86%
89%
100%
Norma 204
95%
90%
99%
Norma MRP
97%
76%
99%
Norma URP
95%
89%
100%
Ramshot Big Game
85%
89%
100%
Ramshot Hunter
95%
89%
100%
Ramshot Magnum
97%
69%
97%
ReloadSwiss RS 50
87%
90%
100%
ReloadSwiss RS 52
86%
90%
100%
ReloadSwiss RS 60
92%
90%
100%
ReloadSwiss RS 62
94%
89%
100%
ReloadSwiss RS 70
95%
90%
100%
ReloadSwiss RS 76
97%
57%
95%
Rottweil R 902
85%
90%
100%
Rottweil R 903
89%
90%
100%
Rottweil R 904
97%
85%
97%
Rottweil R 905
97%
80%
98%
Rottweil R 907
92%
90%
99%
SNPE Vectan SP 11
88%
89%
100%
SNPE Vectan SP 9
84%
90%
100%
SNPE Vectan Tubal 3000
83%
90%
100%
SNPE Vectan Tubal 5000
89%
90%
100%
SNPE Vectan Tubal 7000
93%
90%
99%
Shooters World Long Rifle
93%
90%
100%
Shooters World Precision
86%
89%
100%
Somchem S335
83%
90%
100%
Somchem S355
89%
89%
100%
Somchem S361
97%
88%
97%
Somchem S365
97%
88%
100%
Somchem S385
97%
80%
99%
Vihtavuori N133
85%
90%
100%
Vihtavuori N135
91%
90%
100%
Vihtavuori N140
85%
90%
100%
Vihtavuori N150
94%
90%
100%
Vihtavuori N160
92%
89%
100%
Vihtavuori N165
97%
67%
96%
Vihtavuori N540
85%
89%
100%
Vihtavuori N550
92%
89%
100%
Vihtavuori N555
97%
76%
100%
Vihtavuori N560
97%
72%
95%
Vihtavuori N565
97%
60%
93%
Winchester 6.5 StaBALL
94%
90%
100%
Winchester 760
90%
89%
100%
Winchester StaBALL HD
97%
57%
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
45818
72%
**79
100%
[ADI AR 2209]*
<<locked>>
81%
31502
49%
**59
91%
[ADI AR 2213]*
<<locked>>
88%
34983
55%
**54
90%
Accurate 2700
<<locked>>
81%
43990
69%
**10
97%
[Accurate 3100]*
<<locked>>
81%
26600
42%
**47
92%
Accurate 4064
<<locked>>
81%
48486
76%
**02
100%
Accurate 4350
<<locked>>
81%
36506
57%
**80
98%
[Accurate MAGPRO]*
<<locked>>
93%
38638
61%
**65
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46035
72%
**98
100%
Alliant Reloder-15
<<locked>>
81%
49327
77%
**57
100%
Alliant Reloder-16
<<locked>>
81%
35955
56%
**97
98%
Alliant Reloder-17
<<locked>>
81%
40509
63%
**05
100%
[Alliant Reloder-19]*
<<locked>>
81%
31227
49%
**59
91%
[Alliant Reloder-22]*
<<locked>>
84%
29762
47%
**59
90%
Alliant Reloder-23
<<locked>>
81%
26150
41%
**77
96%
[Alliant Reloder-25]*
<<locked>>
83%
24714
39%
**24
90%
[Alliant Reloder-26]*
<<locked>>
81%
27688
43%
**62
94%
Hodgdon CFE223
<<locked>>
81%
48225
76%
**77
100%
Hodgdon H380
<<locked>>
81%
46876
73%
**21
100%
Hodgdon H414
<<locked>>
81%
41959
66%
**85
97%
[Hodgdon H4350]*
<<locked>>
81%
34882
55%
**98
94%
[Hodgdon H4831]*
<<locked>>
90%
35418
55%
**31
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
35418
55%
**31
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33431
52%
**98
99%
Hodgdon LVR
<<locked>>
81%
39523
62%
**26
98%
Hodgdon Superperformance
<<locked>>
81%
37710
59%
**33
96%
Hodgdon VARGET
<<locked>>
81%
45585
71%
**75
100%
IMR 3031
<<locked>>
81%
50473
79%
**38
100%
IMR 4064
<<locked>>
81%
44962
70%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
44353
69%
**36
98%
IMR 4350
<<locked>>
81%
36434
57%
**28
95%
IMR 4451 Enduron
<<locked>>
81%
42409
66%
**23
97%
IMR 4831
<<locked>>
81%
31923
50%
**72
97%
IMR 4895
<<locked>>
81%
50662
79%
**80
100%
[IMR 4955 Enduron]*
<<locked>>
85%
34316
54%
**78
90%
[IMR 7828 SSC]*
<<locked>>
87%
34737
54%
**64
90%
Lovex S060
<<locked>>
81%
52924
83%
**34
100%
Lovex S062
<<locked>>
81%
48298
76%
**05
100%
Lovex S065
<<locked>>
81%
39914
63%
**83
98%
Lovex S070
<<locked>>
81%
38029
60%
**67
96%
[Lovex S071]*
<<locked>>
82%
23395
37%
**55
90%
Norma 201
<<locked>>
81%
52881
83%
**57
100%
Norma 202
<<locked>>
81%
53461
84%
**57
100%
Norma 203B
<<locked>>
81%
48820
77%
**48
100%
[Norma 204]*
<<locked>>
81%
35868
56%
**47
93%
[Norma MRP]*
<<locked>>
81%
28123
44%
**42
91%
Norma URP
<<locked>>
81%
36550
57%
**77
98%
Ramshot Big Game
<<locked>>
81%
48907
77%
**67
100%
Ramshot Hunter
<<locked>>
81%
35404
55%
**67
96%
[Ramshot Magnum]*
<<locked>>
86%
29573
46%
**42
90%
ReloadSwiss RS 50
<<locked>>
81%
47050
74%
**02
99%
ReloadSwiss RS 52
<<locked>>
81%
48399
76%
**61
100%
ReloadSwiss RS 60
<<locked>>
81%
39218
61%
**95
100%
ReloadSwiss RS 62
<<locked>>
81%
36245
57%
**00
98%
ReloadSwiss RS 70
<<locked>>
81%
35346
55%
**00
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
29617
46%
**82
90%
Rottweil R 902
<<locked>>
81%
50241
79%
**18
100%
Rottweil R 903
<<locked>>
81%
43613
68%
**65
100%
[Rottweil R 904]*
<<locked>>
81%
32561
51%
**49
90%
[Rottweil R 905]*
<<locked>>
81%
30023
47%
**39
91%
Rottweil R 907
<<locked>>
81%
41060
64%
**97
96%
SNPE Vectan SP 11
<<locked>>
81%
44730
70%
**08
100%
SNPE Vectan SP 9
<<locked>>
81%
52286
82%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53708
84%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45107
71%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39189
61%
**31
96%
Shooters World Long Rifle
<<locked>>
81%
39914
63%
**83
98%
Shooters World Precision
<<locked>>
81%
48298
76%
**05
100%
Somchem S335
<<locked>>
81%
53519
84%
**95
100%
Somchem S355
<<locked>>
81%
44092
69%
**65
100%
[Somchem S361]*
<<locked>>
83%
34911
55%
**78
90%
Somchem S365
<<locked>>
81%
32721
51%
**38
100%
[Somchem S385]*
<<locked>>
81%
30647
48%
**29
92%
Vihtavuori N133
<<locked>>
81%
50647
79%
**39
100%
Vihtavuori N135
<<locked>>
81%
42975
67%
**80
100%
Vihtavuori N140
<<locked>>
81%
50096
78%
**88
100%
Vihtavuori N150
<<locked>>
81%
37623
59%
**28
100%
Vihtavuori N160
<<locked>>
81%
39624
62%
**06
99%
[Vihtavuori N165]*
<<locked>>
84%
28282
44%
**64
90%
Vihtavuori N540
<<locked>>
81%
49705
78%
**08
100%
Vihtavuori N550
<<locked>>
81%
39972
63%
**46
99%
Vihtavuori N555
<<locked>>
81%
28543
45%
**42
96%
[Vihtavuori N560]*
<<locked>>
88%
34911
55%
**83
90%
[Vihtavuori N565]*
<<locked>>
93%
33489
52%
**60
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37304
58%
**54
100%
Winchester 760
<<locked>>
81%
41959
66%
**85
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23032
36%
**37
94%

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.

<<locked>>... you need to buy an access license to unlock the data

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