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Load data for .378 Weath. Mag. + .375 | 290gr | AERO SOLR,- smax:24.80

Recommended Powder(s):

.378 Weath. Mag. + .375 | 290gr | AERO SOLR,- smax:24.80

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 290gr | AERO SOLR,- smax:24.80
Bullet Weight:
290gr | 18.8g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.587" | 40.3mm
Caliber:
.378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.900" | 22.9mm
Shank Seated Depth:
0.900" | 22.9mm
Case Capacity:
137.0 Grains of Water | 8.90 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B119_C577
Last updated:
2025-01-01

Load data for 166 loads in caliber .378 Weath. Mag. with .375 | 290gr | AERO SOLR,- smax:24.80 bullet and 83 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
<<locked>>
86%
56753
89%
**94
100%
ADI AR 2209
<<locked>>
97%
57174
90%
**02
99%
ADI AR 2213
<<locked>>
97%
51314
80%
**43
97%
[ADI AR 2217]*
<<locked>>
97%
37072
58%
**48
92%
[ADI AR 2225]*
<<locked>>
97%
32909
52%
**08
94%
Accurate 2700
<<locked>>
87%
57029
89%
**67
99%
Accurate 3100
<<locked>>
97%
50444
79%
**54
100%
Accurate 4064
<<locked>>
84%
57058
89%
**64
100%
Accurate 4350
<<locked>>
91%
56739
89%
**59
100%
Accurate MAGPRO
<<locked>>
97%
49400
77%
**33
95%
Alliant Reloder- TS 15.5
<<locked>>
85%
57043
89%
**03
100%
Alliant Reloder-15
<<locked>>
83%
57029
89%
**26
100%
Alliant Reloder-16
<<locked>>
93%
57305
90%
**02
100%
Alliant Reloder-17
<<locked>>
88%
57232
90%
**08
100%
Alliant Reloder-19
<<locked>>
97%
56666
89%
**92
99%
Alliant Reloder-22
<<locked>>
97%
50401
79%
**36
98%
Alliant Reloder-23
<<locked>>
97%
47732
75%
**77
100%
Alliant Reloder-25
<<locked>>
97%
41220
65%
**02
99%
Alliant Reloder-26 👍
<<locked>>
97%
54592
86%
**61
100%
Hodgdon CFE223
<<locked>>
83%
57232
90%
**62
100%
[Hodgdon H1000]*
<<locked>>
97%
37072
58%
**48
92%
Hodgdon H380
<<locked>>
85%
57203
90%
**30
100%
Hodgdon H414
<<locked>>
88%
57305
90%
**92
100%
Hodgdon H4350
<<locked>>
94%
57377
90%
**36
100%
Hodgdon H4831
<<locked>>
97%
47514
74%
**21
95%
Hodgdon H4831 SC
<<locked>>
97%
53882
84%
**30
97%
Hodgdon Hybrid 100V
<<locked>>
95%
56913
89%
**23
100%
Hodgdon LVR
<<locked>>
90%
57174
90%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
97%
32909
52%
**08
94%
Hodgdon Superperformance 👍
<<locked>>
90%
57029
89%
**22
100%
Hodgdon VARGET
<<locked>>
86%
56753
89%
**94
100%
IMR 4064
<<locked>>
86%
57101
89%
**90
100%
IMR 4166 Enduron
<<locked>>
87%
57276
90%
**90
100%
IMR 4350
<<locked>>
92%
56898
89%
**30
100%
IMR 4451 Enduron
<<locked>>
88%
57014
89%
**13
100%
IMR 4831 👍
<<locked>>
97%
57348
90%
**53
100%
IMR 4955 Enduron
<<locked>>
97%
52678
83%
**67
97%
IMR 7828 SSC
<<locked>>
97%
52939
83%
**79
98%
Lovex S062
<<locked>>
84%
57029
89%
**77
100%
Lovex S065
<<locked>>
90%
57014
89%
**10
100%
Lovex S070
<<locked>>
92%
57392
90%
**40
100%
Lovex S071
<<locked>>
97%
41814
66%
**10
99%
Norma 203B
<<locked>>
84%
57305
90%
**26
100%
Norma 204 👍
<<locked>>
92%
57421
90%
**79
99%
Norma MRP
<<locked>>
97%
53287
84%
**15
100%
Norma URP
<<locked>>
92%
56985
89%
**62
100%
Ramshot Big Game
<<locked>>
83%
57421
90%
**46
100%
Ramshot Hunter 👍
<<locked>>
93%
57348
90%
**92
100%
Ramshot Magnum
<<locked>>
97%
48878
77%
**97
99%
ReloadSwiss RS 14
<<locked>>
97%
35621
56%
**77
100%
ReloadSwiss RS 50
<<locked>>
85%
56971
89%
**20
100%
ReloadSwiss RS 52
<<locked>>
84%
57406
90%
**40
100%
ReloadSwiss RS 60
<<locked>>
89%
56840
89%
**22
100%
ReloadSwiss RS 62
<<locked>>
91%
56942
89%
**85
100%
ReloadSwiss RS 70
<<locked>>
92%
57377
90%
**48
100%
ReloadSwiss RS 76
<<locked>>
97%
39958
63%
**15
97%
Rottweil R 902
<<locked>>
83%
57232
90%
**64
100%
Rottweil R 903
<<locked>>
87%
56985
89%
**07
100%
Rottweil R 904
<<locked>>
96%
57116
90%
**49
98%
Rottweil R 905
<<locked>>
97%
55956
88%
**76
99%
Rottweil R 907
<<locked>>
89%
57072
89%
**20
100%
SNPE Vectan SP 11
<<locked>>
86%
57188
90%
**43
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
57203
90%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57188
90%
**77
100%
Shooters World Long Rifle
<<locked>>
90%
57014
89%
**10
100%
Shooters World Precision
<<locked>>
84%
57029
89%
**77
100%
Somchem S355
<<locked>>
87%
56956
89%
**00
100%
Somchem S361
<<locked>>
95%
57435
90%
**20
98%
Somchem S365
<<locked>>
94%
57217
90%
**76
100%
Somchem S385
<<locked>>
97%
56565
89%
**53
99%
Vihtavuori N135
<<locked>>
88%
56956
89%
**12
100%
Vihtavuori N140
<<locked>>
83%
57392
90%
**31
100%
Vihtavuori N150
<<locked>>
92%
57377
90%
**67
100%
Vihtavuori N160
<<locked>>
90%
57145
90%
**33
100%
Vihtavuori N165
<<locked>>
97%
46949
74%
**92
98%
Vihtavuori N540
<<locked>>
83%
57203
90%
**61
100%
Vihtavuori N550
<<locked>>
89%
57319
90%
**69
100%
Vihtavuori N555
<<locked>>
97%
53417
84%
**49
100%
Vihtavuori N560
<<locked>>
97%
50502
79%
**59
97%
Vihtavuori N565
<<locked>>
97%
42830
67%
**08
95%
Winchester 6.5 StaBALL
<<locked>>
91%
57145
90%
**03
100%
Winchester 760
<<locked>>
88%
57305
90%
**92
100%
Winchester StaBALL HD
<<locked>>
97%
42670
67%
**26
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
49240
77%
**79
100%
[ADI AR 2209]*
<<locked>>
81%
33953
53%
**62
93%
[ADI AR 2213]*
<<locked>>
84%
33127
52%
**56
90%
[ADI AR 2217]*
<<locked>>
94%
33562
53%
**62
90%
[ADI AR 2225]*
<<locked>>
92%
28079
44%
**57
90%
Accurate 2700
<<locked>>
81%
47224
74%
**16
98%
[Accurate 3100]*
<<locked>>
81%
29008
45%
**31
94%
Accurate 4064
<<locked>>
81%
51721
81%
**95
100%
Accurate 4350
<<locked>>
81%
39929
63%
**90
99%
[Accurate MAGPRO]*
<<locked>>
89%
36941
58%
**77
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
49748
78%
**02
100%
Alliant Reloder-15
<<locked>>
81%
53229
83%
**74
100%
Alliant Reloder-16
<<locked>>
81%
38711
61%
**93
99%
Alliant Reloder-17
<<locked>>
81%
44353
70%
**15
100%
[Alliant Reloder-19]*
<<locked>>
81%
33678
53%
**52
93%
[Alliant Reloder-22]*
<<locked>>
81%
29283
46%
**77
90%
Alliant Reloder-23
<<locked>>
81%
28210
44%
**57
98%
[Alliant Reloder-25]*
<<locked>>
81%
24729
39%
**52
91%
Alliant Reloder-26
<<locked>>
81%
30124
47%
**72
96%
Hodgdon CFE223
<<locked>>
81%
52417
82%
**90
100%
[Hodgdon H1000]*
<<locked>>
94%
33562
53%
**62
90%
Hodgdon H380
<<locked>>
81%
50372
79%
**25
100%
Hodgdon H414
<<locked>>
81%
45832
72%
**02
99%
Hodgdon H4350
<<locked>>
81%
37579
59%
**98
96%
[Hodgdon H4831]*
<<locked>>
87%
33852
53%
**39
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
33605
53%
**36
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36245
57%
**95
100%
Hodgdon LVR
<<locked>>
81%
42801
67%
**33
99%
[Hodgdon Retumbo]*
<<locked>>
92%
28079
44%
**57
90%
Hodgdon Superperformance
<<locked>>
81%
40857
64%
**49
97%
Hodgdon VARGET
<<locked>>
81%
48820
76%
**72
100%
IMR 4064
<<locked>>
81%
48327
76%
**56
100%
IMR 4166 Enduron
<<locked>>
81%
47398
74%
**39
99%
IMR 4350
<<locked>>
81%
39508
62%
**34
97%
IMR 4451 Enduron
<<locked>>
81%
45397
71%
**26
98%
IMR 4831
<<locked>>
81%
34606
54%
**65
98%
[IMR 4955 Enduron]*
<<locked>>
82%
32851
51%
**80
90%
[IMR 7828 SSC]*
<<locked>>
83%
32967
52%
**65
90%
Lovex S062
<<locked>>
81%
51866
81%
**05
100%
Lovex S065
<<locked>>
81%
42699
67%
**80
99%
Lovex S070
<<locked>>
81%
40915
64%
**67
98%
[Lovex S071]*
<<locked>>
81%
24758
39%
**10
92%
Norma 203B
<<locked>>
81%
52460
82%
**57
100%
Norma 204
<<locked>>
81%
38870
61%
**57
95%
[Norma MRP]*
<<locked>>
81%
30472
48%
**46
93%
Norma URP
<<locked>>
81%
39668
62%
**77
99%
Ramshot Big Game
<<locked>>
81%
53026
83%
**80
100%
Ramshot Hunter
<<locked>>
81%
38363
60%
**70
98%
[Ramshot Magnum]*
<<locked>>
82%
28036
44%
**34
90%
ReloadSwiss RS 14
<<locked>>
93%
33910
53%
**47
100%
ReloadSwiss RS 50
<<locked>>
81%
50488
79%
**18
99%
ReloadSwiss RS 52
<<locked>>
81%
52518
82%
**64
100%
ReloadSwiss RS 60
<<locked>>
81%
42801
67%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
39624
62%
**03
99%
ReloadSwiss RS 70
<<locked>>
81%
38493
60%
**13
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
28166
44%
**90
90%
Rottweil R 902
<<locked>>
81%
53490
84%
**15
100%
Rottweil R 903
<<locked>>
81%
47239
74%
**66
100%
[Rottweil R 904]*
<<locked>>
81%
35288
55%
**49
92%
[Rottweil R 905]*
<<locked>>
81%
32547
51%
**29
93%
Rottweil R 907
<<locked>>
81%
43961
69%
**03
98%
SNPE Vectan SP 11
<<locked>>
81%
48443
76%
**21
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
48385
76%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41829
66%
**28
98%
Shooters World Long Rifle
<<locked>>
81%
42699
67%
**80
99%
Shooters World Precision
<<locked>>
81%
51866
81%
**05
100%
Somchem S355
<<locked>>
81%
47297
74%
**59
100%
[Somchem S361]*
<<locked>>
81%
35650
56%
**33
91%
Somchem S365
<<locked>>
81%
36013
56%
**34
100%
[Somchem S385]*
<<locked>>
81%
33156
52%
**23
94%
Vihtavuori N135
<<locked>>
81%
46079
72%
**67
100%
Vihtavuori N140
<<locked>>
81%
53621
84%
**85
100%
Vihtavuori N150
<<locked>>
81%
40509
63%
**15
100%
Vihtavuori N160
<<locked>>
81%
42859
67%
**07
100%
[Vihtavuori N165]*
<<locked>>
81%
27804
44%
**78
90%
Vihtavuori N540
<<locked>>
81%
53040
83%
**02
100%
Vihtavuori N550
<<locked>>
81%
43323
68%
**49
100%
Vihtavuori N555
<<locked>>
81%
31227
49%
**33
98%
[Vihtavuori N560]*
<<locked>>
85%
33591
53%
**05
90%
[Vihtavuori N565]*
<<locked>>
89%
32111
50%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40176
63%
**51
100%
Winchester 760
<<locked>>
81%
45832
72%
**02
99%
Winchester StaBALL HD
<<locked>>
81%
24685
39%
**38
97%

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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