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Load data for .375 Rem. Ultra Mag + .374 | 340gr | Rhino Solid Shank

Recommended Powder(s): Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Norma MRP, Somchem S385

.375 Rem. Ultra Mag + .374 | 340gr | Rhino Solid Shank

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.374 | 340gr | Rhino Solid Shank
Bullet Weight:
340gr | 22.0g
Bullet Diameter:
0.374" | 9.50mm
Bullet Length:
1.457" | 37.0mm
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:
0.761" | 19.3mm
Shank Seated Depth:
0.761" | 19.3mm
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_B5258_C557
Last updated:
2025-01-01

Load data for 164 loads in caliber .375 Rem. Ultra Mag with .374 | 340gr | Rhino Solid Shank bullet and 82 powders such as Alliant Reloder-26, Hodgdon Superperformance, Norma 204, Norma MRP, Somchem S385. 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 2208
<<locked>>
86%
57014
89%
**85
100%
ADI AR 2209
<<locked>>
97%
56884
89%
**77
99%
ADI AR 2213
<<locked>>
97%
51648
81%
**41
98%
[ADI AR 2217]*
<<locked>>
97%
37681
59%
**92
94%
ADI AR 2225
<<locked>>
97%
33185
52%
**52
96%
Accurate 2700
<<locked>>
87%
57348
90%
**65
100%
Accurate 3100
<<locked>>
97%
50807
80%
**59
100%
Accurate 4064
<<locked>>
84%
57130
90%
**49
100%
Accurate 4350
<<locked>>
91%
57203
90%
**44
100%
Accurate MAGPRO
<<locked>>
97%
49545
78%
**31
96%
Alliant Reloder- TS 15.5
<<locked>>
85%
57203
90%
**95
100%
Alliant Reloder-15
<<locked>>
83%
57319
90%
**11
100%
Alliant Reloder-16
<<locked>>
92%
56753
89%
**74
100%
Alliant Reloder-17
<<locked>>
88%
57348
90%
**87
100%
Alliant Reloder-19
<<locked>>
97%
56521
89%
**70
99%
Alliant Reloder-22
<<locked>>
97%
50647
79%
**34
99%
Alliant Reloder-23
<<locked>>
97%
47819
75%
**72
100%
Alliant Reloder-25
<<locked>>
97%
41959
66%
**23
100%
Alliant Reloder-26 👍
<<locked>>
97%
55230
87%
**46
100%
Hodgdon CFE223
<<locked>>
83%
57217
90%
**41
100%
[Hodgdon H1000]*
<<locked>>
97%
37681
59%
**92
94%
Hodgdon H380
<<locked>>
84%
57000
89%
**08
100%
Hodgdon H414
<<locked>>
87%
57101
89%
**67
100%
Hodgdon H4350
<<locked>>
94%
57174
90%
**21
100%
Hodgdon H4831
<<locked>>
97%
47732
75%
**33
97%
Hodgdon H4831 SC
<<locked>>
97%
54215
85%
**25
98%
Hodgdon Hybrid 100V
<<locked>>
94%
57000
89%
**08
100%
Hodgdon LVR
<<locked>>
90%
57392
90%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
33185
52%
**52
96%
Hodgdon Superperformance 👍
<<locked>>
90%
56985
89%
**00
100%
Hodgdon VARGET
<<locked>>
86%
56739
89%
**79
100%
IMR 4064
<<locked>>
86%
56898
89%
**72
100%
IMR 4166 Enduron
<<locked>>
87%
57348
90%
**82
100%
IMR 4350
<<locked>>
92%
56797
89%
**18
100%
IMR 4451 Enduron
<<locked>>
88%
57392
90%
**05
100%
IMR 4831
<<locked>>
96%
56869
89%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
52997
83%
**75
98%
IMR 7828 SSC
<<locked>>
97%
52634
82%
**64
98%
Lovex S062
<<locked>>
84%
57145
90%
**65
100%
Lovex S065
<<locked>>
90%
56971
89%
**95
100%
Lovex S070
<<locked>>
91%
57000
89%
**18
100%
Lovex S071
<<locked>>
97%
42743
67%
**47
99%
Norma 203B
<<locked>>
83%
57101
89%
**05
100%
Norma 204 👍
<<locked>>
92%
57348
90%
**57
99%
[Norma 217]*
<<locked>>
97%
29341
46%
**93
93%
Norma MRP 👍
<<locked>>
97%
53476
84%
**03
100%
Norma URP
<<locked>>
92%
56681
89%
**41
100%
Ramshot Hunter
<<locked>>
92%
56898
89%
**67
100%
Ramshot Magnum
<<locked>>
97%
49327
77%
**05
99%
ReloadSwiss RS 50
<<locked>>
84%
57000
89%
**98
100%
ReloadSwiss RS 52
<<locked>>
83%
56724
89%
**05
100%
ReloadSwiss RS 60
<<locked>>
89%
57217
90%
**03
100%
ReloadSwiss RS 62
<<locked>>
91%
57276
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
92%
57319
90%
**20
100%
ReloadSwiss RS 76
<<locked>>
97%
40379
63%
**39
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
35882
56%
**34
92%
Rottweil R 903
<<locked>>
87%
57377
90%
**92
100%
Rottweil R 904
<<locked>>
96%
57348
90%
**34
99%
Rottweil R 905
<<locked>>
97%
56434
88%
**70
100%
Rottweil R 907
<<locked>>
89%
57363
90%
**05
100%
SNPE Vectan SP 11
<<locked>>
86%
57130
90%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57334
90%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
56710
89%
**62
100%
Shooters World Long Rifle
<<locked>>
90%
56971
89%
**95
100%
Shooters World Precision
<<locked>>
84%
57145
90%
**65
100%
Somchem S355
<<locked>>
87%
57276
90%
**92
100%
Somchem S361
<<locked>>
95%
57014
89%
**05
98%
Somchem S365
<<locked>>
94%
57014
89%
**51
100%
Somchem S385 👍
<<locked>>
97%
56942
89%
**41
100%
Vihtavuori N135
<<locked>>
88%
56942
89%
**00
100%
Vihtavuori N150
<<locked>>
92%
57319
90%
**52
100%
Vihtavuori N160
<<locked>>
89%
57203
90%
**11
100%
Vihtavuori N165
<<locked>>
97%
47471
74%
**06
99%
Vihtavuori N540
<<locked>>
83%
57174
90%
**49
100%
Vihtavuori N550
<<locked>>
89%
57377
90%
**54
100%
Vihtavuori N555
<<locked>>
97%
53476
84%
**34
100%
Vihtavuori N560
<<locked>>
97%
50734
79%
**54
98%
Vihtavuori N565
<<locked>>
97%
42931
67%
**23
96%
[Vihtavuori N568]*
<<locked>>
97%
37463
59%
**44
92%
Winchester 6.5 StaBALL
<<locked>>
91%
57305
90%
**92
100%
Winchester 760
<<locked>>
87%
57101
89%
**67
100%
Winchester StaBALL HD
<<locked>>
97%
42917
67%
**34
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49385
77%
**83
100%
[ADI AR 2209]*
<<locked>>
81%
34447
54%
**13
94%
[ADI AR 2213]*
<<locked>>
81%
30661
48%
**41
90%
[ADI AR 2217]*
<<locked>>
91%
31212
49%
**47
90%
[ADI AR 2225]*
<<locked>>
88%
25527
40%
**39
90%
Accurate 2700
<<locked>>
81%
47616
75%
**38
99%
Accurate 3100
<<locked>>
81%
29892
47%
**05
96%
Accurate 4064
<<locked>>
81%
52852
83%
**00
100%
Accurate 4350
<<locked>>
81%
40524
64%
**21
100%
[Accurate MAGPRO]*
<<locked>>
86%
34171
54%
**52
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49995
78%
**03
100%
Alliant Reloder-15
<<locked>>
81%
53490
84%
**65
100%
Alliant Reloder-16
<<locked>>
81%
39320
62%
**24
100%
Alliant Reloder-17
<<locked>>
81%
44817
70%
**26
100%
[Alliant Reloder-19]*
<<locked>>
81%
34156
54%
**10
94%
[Alliant Reloder-22]*
<<locked>>
81%
30139
47%
**54
93%
Alliant Reloder-23
<<locked>>
81%
28906
45%
**34
99%
[Alliant Reloder-25]*
<<locked>>
81%
25527
40%
**46
94%
Alliant Reloder-26
<<locked>>
81%
30908
48%
**36
98%
Hodgdon CFE223
<<locked>>
81%
52968
83%
**92
100%
[Hodgdon H1000]*
<<locked>>
91%
31212
49%
**47
90%
Hodgdon H380
<<locked>>
81%
51024
80%
**33
100%
Hodgdon H414
<<locked>>
81%
46224
72%
**20
99%
Hodgdon H4350
<<locked>>
81%
37985
60%
**36
97%
[Hodgdon H4831]*
<<locked>>
83%
30995
49%
**18
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
32082
50%
**41
91%
Hodgdon Hybrid 100V
<<locked>>
81%
36883
58%
**29
100%
Hodgdon LVR
<<locked>>
81%
43352
68%
**57
100%
[Hodgdon Retumbo]*
<<locked>>
88%
25527
40%
**39
90%
Hodgdon Superperformance
<<locked>>
81%
41292
65%
**70
98%
Hodgdon VARGET
<<locked>>
81%
49255
77%
**83
100%
IMR 4064
<<locked>>
81%
48718
76%
**67
100%
IMR 4166 Enduron
<<locked>>
81%
47572
75%
**51
99%
IMR 4350
<<locked>>
81%
40030
63%
**72
98%
IMR 4451 Enduron
<<locked>>
81%
45745
72%
**44
99%
IMR 4831
<<locked>>
81%
35201
55%
**10
99%
[IMR 4955 Enduron]*
<<locked>>
81%
32590
51%
**24
91%
[IMR 7828 SSC]*
<<locked>>
81%
31183
49%
**67
91%
Lovex S062
<<locked>>
81%
52199
82%
**06
100%
Lovex S065
<<locked>>
81%
43395
68%
**11
99%
Lovex S070
<<locked>>
81%
41437
65%
**98
98%
[Lovex S071]*
<<locked>>
81%
25744
40%
**06
94%
Norma 203B
<<locked>>
81%
52982
83%
**56
100%
Norma 204
<<locked>>
81%
39349
62%
**92
96%
[Norma 217]*
<<locked>>
92%
25483
40%
**82
90%
Norma MRP
<<locked>>
81%
31125
49%
**03
95%
Norma URP
<<locked>>
81%
40248
63%
**11
100%
Ramshot Hunter
<<locked>>
81%
39030
61%
**05
99%
[Ramshot Magnum]*
<<locked>>
81%
27485
43%
**82
92%
ReloadSwiss RS 50
<<locked>>
81%
51039
80%
**23
100%
ReloadSwiss RS 52
<<locked>>
81%
53084
83%
**69
100%
ReloadSwiss RS 60
<<locked>>
81%
43265
68%
**20
100%
ReloadSwiss RS 62
<<locked>>
81%
40277
63%
**34
100%
ReloadSwiss RS 70
<<locked>>
81%
38928
61%
**44
99%
[ReloadSwiss RS 76]*
<<locked>>
84%
26107
41%
**85
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
32822
51%
**62
90%
Rottweil R 903
<<locked>>
81%
47819
75%
**74
100%
[Rottweil R 904]*
<<locked>>
81%
35766
56%
**93
94%
[Rottweil R 905]*
<<locked>>
81%
33344
52%
**96
94%
Rottweil R 907
<<locked>>
81%
44425
70%
**24
98%
SNPE Vectan SP 11
<<locked>>
81%
48936
77%
**26
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48921
77%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42337
66%
**59
98%
Shooters World Long Rifle
<<locked>>
81%
43395
68%
**11
99%
Shooters World Precision
<<locked>>
81%
52199
82%
**06
100%
Somchem S355
<<locked>>
81%
48022
75%
**77
100%
[Somchem S361]*
<<locked>>
81%
36187
57%
**87
93%
Somchem S365
<<locked>>
81%
36695
58%
**78
100%
Somchem S385
<<locked>>
81%
33895
53%
**83
96%
Vihtavuori N135
<<locked>>
81%
46833
73%
**85
100%
Vihtavuori N150
<<locked>>
81%
41263
65%
**52
100%
Vihtavuori N160
<<locked>>
81%
43526
68%
**34
100%
[Vihtavuori N165]*
<<locked>>
81%
28471
45%
**55
92%
Vihtavuori N540
<<locked>>
81%
53737
84%
**13
100%
Vihtavuori N550
<<locked>>
81%
43888
69%
**67
100%
Vihtavuori N555
<<locked>>
81%
32140
50%
**00
99%
[Vihtavuori N560]*
<<locked>>
82%
30893
48%
**77
90%
[Vihtavuori N565]*
<<locked>>
86%
29689
47%
**54
90%
[Vihtavuori N568]*
<<locked>>
94%
34026
53%
**72
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40553
64%
**75
100%
Winchester 760
<<locked>>
81%
46224
72%
**20
99%
Winchester StaBALL HD
<<locked>>
81%
25469
40%
**24
99%

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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