top of page

Load data for .375 Rem. Ultra Mag + .375 | 280gr | AERO SOLR,- smax:22.30

Recommended Powder(s): Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550

.375 Rem. Ultra Mag + .375 | 280gr | AERO SOLR,- smax:22.30

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 280gr | AERO SOLR,- smax:22.30
Bullet Weight:
280gr | 18.1g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.587" | 40.3mm
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:
0.891" | 22.6mm
Shank Seated Depth:
0.891" | 22.6mm
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_B117_C557
Last updated:
2025-01-01

Load data for 198 loads in caliber .375 Rem. Ultra Mag with .375 | 280gr | AERO SOLR,- smax:22.30 bullet and 99 powders such as Accurate 4350, Alliant Reloder-16, Hodgdon LVR, ReloadSwiss RS 62, Vihtavuori N550. 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".

  • No data yet

  • 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.

    .

    Loading_icon.gif

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>>
86%
57261
90%
**25
100%
ADI AR 2208
<<locked>>
92%
57406
90%
**08
100%
ADI AR 2209
<<locked>>
97%
45890
72%
**13
95%
Accurate 2200
<<locked>>
85%
57406
90%
**98
100%
Accurate 2495
<<locked>>
85%
57406
90%
**69
100%
Accurate 2520
<<locked>>
84%
56884
89%
**89
100%
Accurate 2700
<<locked>>
92%
57145
90%
**56
98%
Accurate 3100
<<locked>>
97%
38624
61%
**75
96%
Accurate 4064
<<locked>>
91%
56826
89%
**85
100%
Accurate 4350 👍
<<locked>>
97%
54215
85%
**38
100%
Alliant AR-Comp
<<locked>>
84%
57029
89%
**39
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
57305
90%
**21
100%
Alliant Reloder-15
<<locked>>
89%
56971
89%
**35
100%
Alliant Reloder-16 👍
<<locked>>
97%
52141
82%
**44
100%
Alliant Reloder-17
<<locked>>
95%
56884
89%
**20
100%
Alliant Reloder-19
<<locked>>
97%
45339
71%
**10
95%
[Alliant Reloder-22]*
<<locked>>
97%
39131
61%
**38
93%
Alliant Reloder-23
<<locked>>
97%
36970
58%
**05
99%
[Alliant Reloder-25]*
<<locked>>
97%
32460
51%
**97
94%
Alliant Reloder-26
<<locked>>
97%
40973
64%
**36
98%
Baschieri & Pellagri 107
<<locked>>
86%
57203
90%
**35
100%
Hodgdon BL-C2
<<locked>>
85%
57421
90%
**31
100%
Hodgdon Benchmark
<<locked>>
84%
57348
90%
**52
100%
Hodgdon CFE223
<<locked>>
90%
57319
90%
**71
100%
Hodgdon H380
<<locked>>
91%
56840
89%
**31
100%
Hodgdon H414
<<locked>>
94%
57377
90%
**87
99%
Hodgdon H4350
<<locked>>
97%
50299
79%
**33
97%
[Hodgdon H4831 SC]*
<<locked>>
97%
43062
67%
**34
92%
Hodgdon Hybrid 100V
<<locked>>
97%
48037
75%
**23
100%
Hodgdon LVR 👍
<<locked>>
96%
56942
89%
**64
100%
Hodgdon Superperformance
<<locked>>
96%
56956
89%
**10
99%
Hodgdon VARGET
<<locked>>
92%
57406
90%
**08
100%
IMR 3031
<<locked>>
89%
57072
89%
**98
100%
IMR 4064
<<locked>>
92%
56913
89%
**95
100%
IMR 4166 Enduron
<<locked>>
93%
57363
90%
**89
99%
IMR 4350
<<locked>>
97%
53156
83%
**72
98%
IMR 4451 Enduron
<<locked>>
94%
57276
90%
**12
99%
IMR 4831
<<locked>>
97%
45614
71%
**97
99%
IMR 4895
<<locked>>
89%
57261
90%
**48
100%
[IMR 4955 Enduron]*
<<locked>>
97%
42917
67%
**98
92%
[IMR 7828 SSC]*
<<locked>>
97%
41814
66%
**61
92%
IMR 8208 XBR
<<locked>>
85%
57217
90%
**85
100%
Lovex D073.6
<<locked>>
86%
56884
89%
**89
100%
Lovex S060
<<locked>>
87%
56869
89%
**56
100%
Lovex S062
<<locked>>
90%
57276
90%
**95
100%
Lovex S065
<<locked>>
97%
56942
89%
**12
100%
Lovex S070
<<locked>>
97%
54998
86%
**02
99%
[Lovex S071]*
<<locked>>
97%
31734
50%
**38
94%
Norma 201
<<locked>>
87%
57159
90%
**85
100%
Norma 202
<<locked>>
87%
57392
90%
**75
100%
Norma 203B
<<locked>>
90%
56884
89%
**31
100%
Norma 204
<<locked>>
97%
53708
84%
**18
97%
Norma MRP
<<locked>>
97%
41365
65%
**07
96%
Norma URP
<<locked>>
97%
52997
83%
**25
100%
Ramshot Big Game
<<locked>>
90%
57392
90%
**54
100%
Ramshot Hunter
<<locked>>
97%
51837
81%
**21
99%
[Ramshot Magnum]*
<<locked>>
97%
37391
59%
**69
93%
Ramshot TAC
<<locked>>
85%
56942
89%
**05
100%
Ramshot Wild Boar
<<locked>>
85%
57130
90%
**25
100%
ReloadSwiss RS 50
<<locked>>
91%
57363
90%
**15
99%
ReloadSwiss RS 52
<<locked>>
90%
56724
89%
**48
100%
ReloadSwiss RS 60
<<locked>>
96%
57130
90%
**40
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
53925
84%
**54
100%
ReloadSwiss RS 70
<<locked>>
97%
53171
83%
**77
100%
Rottweil R 901
<<locked>>
85%
57159
90%
**52
100%
Rottweil R 902
<<locked>>
89%
57159
90%
**75
100%
Rottweil R 903
<<locked>>
93%
57319
90%
**25
100%
[Rottweil R 904]*
<<locked>>
97%
47776
75%
**90
94%
Rottweil R 905
<<locked>>
97%
43627
68%
**84
95%
Rottweil R 907
<<locked>>
95%
57319
90%
**12
98%
SNPE Vectan SP 11
<<locked>>
92%
56884
89%
**54
100%
SNPE Vectan SP 7
<<locked>>
86%
57246
90%
**08
100%
SNPE Vectan SP 9
<<locked>>
87%
57101
89%
**15
100%
SNPE Vectan Tubal 3000
<<locked>>
86%
57421
90%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
57348
90%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57406
90%
**72
99%
Shooters World Long Rifle
<<locked>>
97%
56942
89%
**12
100%
Shooters World Match Rifle
<<locked>>
86%
56884
89%
**89
100%
Shooters World Precision
<<locked>>
90%
57276
90%
**95
100%
Somchem S335
<<locked>>
87%
57363
90%
**13
100%
Somchem S341
<<locked>>
86%
57058
89%
**98
100%
Somchem S355
<<locked>>
93%
57000
89%
**15
100%
[Somchem S361]*
<<locked>>
97%
48878
77%
**77
94%
Somchem S365
<<locked>>
97%
47848
75%
**75
100%
Somchem S385
<<locked>>
97%
44382
70%
**70
96%
Vihtavuori N130
<<locked>>
83%
57392
90%
**74
100%
Vihtavuori N133
<<locked>>
89%
56971
89%
**87
100%
Vihtavuori N135
<<locked>>
95%
57000
89%
**39
100%
Vihtavuori N140
<<locked>>
89%
57377
90%
**52
100%
Vihtavuori N150
<<locked>>
97%
54128
85%
**46
100%
Vihtavuori N160
<<locked>>
96%
56884
89%
**28
100%
[Vihtavuori N165]*
<<locked>>
97%
36869
58%
**16
93%
Vihtavuori N530
<<locked>>
83%
56913
89%
**92
100%
Vihtavuori N540
<<locked>>
89%
56710
89%
**79
100%
Vihtavuori N550 👍
<<locked>>
96%
57145
90%
**77
100%
Vihtavuori N555
<<locked>>
97%
40712
64%
**74
99%
Winchester 6.5 StaBALL
<<locked>>
97%
56231
88%
**98
100%
Winchester 760
<<locked>>
94%
57377
90%
**87
99%
Winchester StaBALL HD
<<locked>>
97%
32764
51%
**02
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47979
75%
**93
100%
ADI AR 2208
<<locked>>
81%
40814
64%
**56
99%
[ADI AR 2209]*
<<locked>>
88%
34142
54%
**74
90%
Accurate 2200
<<locked>>
81%
50386
79%
**00
100%
Accurate 2495
<<locked>>
81%
49313
77%
**70
100%
Accurate 2520
<<locked>>
81%
50314
79%
**07
100%
[Accurate 2700]*
<<locked>>
81%
38899
61%
**74
94%
[Accurate 3100]*
<<locked>>
86%
25802
40%
**87
90%
Accurate 4064
<<locked>>
81%
41597
65%
**82
100%
Accurate 4350
<<locked>>
81%
30647
48%
**24
95%
Alliant AR-Comp
<<locked>>
81%
50836
80%
**70
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
40538
64%
**82
100%
Alliant Reloder-15
<<locked>>
81%
43453
68%
**38
99%
Alliant Reloder-16
<<locked>>
81%
31227
49%
**41
95%
Alliant Reloder-17
<<locked>>
81%
35114
55%
**59
99%
[Alliant Reloder-19]*
<<locked>>
87%
33098
52%
**57
90%
[Alliant Reloder-22]*
<<locked>>
92%
33185
52%
**00
90%
[Alliant Reloder-23]*
<<locked>>
81%
22336
35%
**05
91%
[Alliant Reloder-25]*
<<locked>>
92%
27688
43%
**62
90%
[Alliant Reloder-26]*
<<locked>>
84%
25628
40%
**52
90%
Baschieri & Pellagri 107
<<locked>>
81%
47572
75%
**00
99%
Hodgdon BL-C2
<<locked>>
81%
50430
79%
**39
100%
Hodgdon Benchmark
<<locked>>
81%
51793
81%
**77
100%
Hodgdon CFE223
<<locked>>
81%
41916
66%
**44
99%
Hodgdon H380
<<locked>>
81%
41031
64%
**88
98%
[Hodgdon H414]*
<<locked>>
81%
36376
57%
**43
94%
[Hodgdon H4350]*
<<locked>>
81%
30356
48%
**52
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
39581
62%
**65
90%
Hodgdon Hybrid 100V
<<locked>>
81%
28529
45%
**49
96%
Hodgdon LVR
<<locked>>
81%
34055
53%
**83
96%
[Hodgdon Superperformance]*
<<locked>>
81%
32474
51%
**67
91%
Hodgdon VARGET
<<locked>>
81%
40350
63%
**52
99%
IMR 3031
<<locked>>
81%
44425
70%
**34
100%
IMR 4064
<<locked>>
81%
39769
62%
**33
99%
IMR 4166 Enduron
<<locked>>
81%
39668
62%
**03
95%
[IMR 4350]*
<<locked>>
81%
32082
50%
**88
91%
[IMR 4451 Enduron]*
<<locked>>
81%
37782
59%
**93
94%
[IMR 4831]*
<<locked>>
81%
27079
42%
**19
94%
IMR 4895
<<locked>>
81%
44599
70%
**64
100%
[IMR 4955 Enduron]*
<<locked>>
93%
38247
60%
**10
90%
[IMR 7828 SSC]*
<<locked>>
94%
38421
60%
**92
90%
IMR 8208 XBR
<<locked>>
81%
50227
79%
**93
100%
Lovex D073.6
<<locked>>
81%
47500
74%
**74
100%
Lovex S060
<<locked>>
81%
47964
75%
**31
100%
Lovex S062
<<locked>>
81%
42685
67%
**88
100%
Lovex S065
<<locked>>
81%
34751
54%
**38
95%
[Lovex S070]*
<<locked>>
81%
33054
52%
**15
93%
[Lovex S071]*
<<locked>>
91%
25802
40%
**87
90%
Norma 201
<<locked>>
81%
46760
73%
**44
100%
Norma 202
<<locked>>
81%
47413
74%
**51
100%
Norma 203B
<<locked>>
81%
42714
67%
**25
99%
[Norma 204]*
<<locked>>
83%
33489
52%
**47
90%
[Norma MRP]*
<<locked>>
88%
29994
47%
**44
90%
Norma URP
<<locked>>
81%
31140
49%
**31
95%
Ramshot Big Game
<<locked>>
81%
42670
67%
**44
99%
[Ramshot Hunter]*
<<locked>>
81%
30472
48%
**08
92%
[Ramshot Magnum]*
<<locked>>
93%
33141
52%
**70
90%
Ramshot TAC
<<locked>>
81%
50386
79%
**10
99%
Ramshot Wild Boar
<<locked>>
81%
49806
78%
**26
100%
ReloadSwiss RS 50
<<locked>>
81%
41365
65%
**69
96%
ReloadSwiss RS 52
<<locked>>
81%
41756
65%
**34
100%
ReloadSwiss RS 60
<<locked>>
81%
34011
53%
**49
99%
ReloadSwiss RS 62
<<locked>>
81%
30560
48%
**38
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
30792
48%
**41
94%
Rottweil R 901
<<locked>>
81%
50952
80%
**74
100%
Rottweil R 902
<<locked>>
81%
44411
70%
**98
100%
Rottweil R 903
<<locked>>
81%
37652
59%
**26
99%
[Rottweil R 904]*
<<locked>>
89%
36651
57%
**90
90%
[Rottweil R 905]*
<<locked>>
88%
32503
51%
**57
90%
[Rottweil R 907]*
<<locked>>
81%
36129
57%
**60
93%
SNPE Vectan SP 11
<<locked>>
81%
38740
61%
**79
99%
SNPE Vectan SP 7
<<locked>>
81%
48457
76%
**87
99%
SNPE Vectan SP 9
<<locked>>
81%
46485
73%
**64
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
48428
76%
**98
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
40335
63%
**77
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
34069
53%
**92
93%
Shooters World Long Rifle
<<locked>>
81%
34751
54%
**38
95%
Shooters World Match Rifle
<<locked>>
81%
47500
74%
**74
100%
Shooters World Precision
<<locked>>
81%
42685
67%
**88
100%
Somchem S335
<<locked>>
81%
47703
75%
**92
100%
Somchem S341
<<locked>>
81%
48370
76%
**84
100%
Somchem S355
<<locked>>
81%
38493
60%
**33
99%
[Somchem S361]*
<<locked>>
90%
39262
62%
**13
90%
Somchem S365
<<locked>>
81%
27920
44%
**88
98%
[Somchem S385]*
<<locked>>
85%
30081
47%
**78
90%
Vihtavuori N130
<<locked>>
81%
53374
84%
**31
100%
Vihtavuori N133
<<locked>>
81%
45368
71%
**39
100%
Vihtavuori N135
<<locked>>
81%
37275
58%
**67
100%
Vihtavuori N140
<<locked>>
81%
44179
69%
**82
100%
Vihtavuori N150
<<locked>>
81%
32793
51%
**01
99%
Vihtavuori N160
<<locked>>
81%
33895
53%
**60
96%
[Vihtavuori N165]*
<<locked>>
92%
31589
50%
**95
90%
Vihtavuori N530
<<locked>>
81%
52982
83%
**46
100%
Vihtavuori N540
<<locked>>
81%
43947
69%
**05
100%
Vihtavuori N550
<<locked>>
81%
34447
54%
**00
96%
[Vihtavuori N555]*
<<locked>>
81%
23583
37%
**67
92%
Winchester 6.5 StaBALL
<<locked>>
81%
32489
51%
**15
98%
[Winchester 760]*
<<locked>>
81%
36376
57%
**43
94%
[Winchester StaBALL HD]*
<<locked>>
85%
22278
35%
**41
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.

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

bottom of page