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Load data for .378 Weath. Mag. + .375 | 210gr | Barnes X S

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

.378 Weath. Mag. + .375 | 210gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.375 | 210gr | Barnes X S
Manufacturer SKU:
37575
Bullet Weight:
210gr | 13.6g
Bullet Diameter:
0.375" | 9.52mm
Bullet Length:
1.125" | 28.6mm
Caliber:
.378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.438" | 11.1mm
Shank Seated Depth:
0.438" | 11.1mm
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_B723_C577
Last updated:
2025-01-01

Load data for 160 loads in caliber .378 Weath. Mag. with .375 | 210gr | Barnes X S bullet and 80 powders such as Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70. 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>>
87%
57043
89%
**33
100%
ADI AR 2209
<<locked>>
97%
55317
87%
**82
96%
[ADI AR 2213]*
<<locked>>
97%
49690
78%
**97
93%
Accurate 2700
<<locked>>
87%
57130
90%
**74
97%
Accurate 3100
<<locked>>
97%
49690
78%
**41
98%
Accurate 4064
<<locked>>
84%
57058
89%
**07
100%
Accurate 4350
<<locked>>
92%
57363
90%
**99
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
57000
89%
**56
100%
Alliant Reloder-15
<<locked>>
84%
57058
89%
**63
100%
Alliant Reloder-16 👍
<<locked>>
94%
57421
90%
**58
100%
Alliant Reloder-17
<<locked>>
89%
56971
89%
**61
100%
Alliant Reloder-19
<<locked>>
97%
54346
85%
**66
96%
Alliant Reloder-22
<<locked>>
97%
48631
76%
**07
95%
Alliant Reloder-23
<<locked>>
97%
46557
73%
**61
100%
Alliant Reloder-25
<<locked>>
97%
41089
64%
**53
96%
Alliant Reloder-26
<<locked>>
97%
52504
82%
**48
99%
Hodgdon CFE223
<<locked>>
84%
57203
90%
**96
100%
Hodgdon H380
<<locked>>
85%
57305
90%
**66
100%
Hodgdon H414
<<locked>>
89%
57363
90%
**19
98%
Hodgdon H4350
<<locked>>
96%
57348
90%
**56
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
52054
82%
**91
93%
Hodgdon Hybrid 100V
<<locked>>
96%
56869
89%
**59
100%
Hodgdon LVR 👍
<<locked>>
91%
57116
89%
**02
99%
Hodgdon Superperformance
<<locked>>
91%
57174
90%
**45
98%
Hodgdon VARGET
<<locked>>
87%
57043
89%
**33
100%
Hodgdon TrailBoss
<<locked>>
97%
35244
55%
**62
100%
IMR 3031
<<locked>>
83%
56971
89%
**27
100%
IMR 4064
<<locked>>
87%
57116
89%
**30
100%
IMR 4166 Enduron
<<locked>>
88%
57217
90%
**14
98%
IMR 4350
<<locked>>
94%
57406
90%
**63
98%
IMR 4451 Enduron
<<locked>>
89%
56826
89%
**33
98%
IMR 4831
<<locked>>
97%
56144
88%
**69
100%
IMR 4895
<<locked>>
83%
57101
89%
**73
100%
[IMR 4955 Enduron]*
<<locked>>
97%
51445
81%
**38
93%
[IMR 7828 SSC]*
<<locked>>
97%
51010
80%
**27
93%
Lovex S062
<<locked>>
85%
57363
90%
**20
100%
Lovex S065
<<locked>>
91%
56985
89%
**30
99%
Lovex S070
<<locked>>
92%
57319
90%
**56
98%
Lovex S071
<<locked>>
97%
42119
66%
**81
96%
Norma 203B
<<locked>>
85%
57101
89%
**69
100%
Norma 204
<<locked>>
93%
56913
89%
**86
96%
Norma MRP
<<locked>>
97%
51561
81%
**92
97%
Norma URP 👍
<<locked>>
93%
57232
90%
**05
100%
Ramshot Big Game
<<locked>>
84%
57130
90%
**79
100%
Ramshot Hunter
<<locked>>
94%
56927
89%
**15
99%
Ramshot Magnum
<<locked>>
97%
47514
74%
**45
95%
ReloadSwiss RS 14
<<locked>>
96%
35781
56%
**01
100%
ReloadSwiss RS 50
<<locked>>
86%
57217
90%
**43
99%
ReloadSwiss RS 52
<<locked>>
84%
56884
89%
**82
100%
ReloadSwiss RS 60
<<locked>>
91%
57392
90%
**87
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57319
90%
**22
100%
ReloadSwiss RS 70 👍
<<locked>>
93%
57000
89%
**78
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
40161
63%
**43
92%
Rottweil R 902
<<locked>>
83%
56869
89%
**94
100%
Rottweil R 903
<<locked>>
87%
56797
89%
**40
100%
Rottweil R 904
<<locked>>
97%
56434
88%
**43
95%
Rottweil R 905
<<locked>>
97%
53969
85%
**59
96%
Rottweil R 907
<<locked>>
90%
57072
89%
**27
98%
SNPE Vectan SP 11
<<locked>>
87%
57043
89%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57145
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57305
90%
**87
98%
Shooters World Long Rifle
<<locked>>
91%
56985
89%
**30
99%
Shooters World Precision
<<locked>>
85%
57363
90%
**20
100%
Somchem S355
<<locked>>
88%
57319
90%
**50
100%
[Somchem S361]*
<<locked>>
96%
57000
89%
**14
94%
Somchem S365
<<locked>>
96%
56927
89%
**22
100%
Somchem S385
<<locked>>
97%
54665
86%
**33
97%
Vihtavuori N133
<<locked>>
84%
57305
90%
**15
100%
Vihtavuori N135
<<locked>>
89%
56797
89%
**58
100%
Vihtavuori N140
<<locked>>
84%
56898
89%
**71
100%
Vihtavuori N150
<<locked>>
93%
57029
89%
**00
100%
Vihtavuori N160
<<locked>>
90%
56985
89%
**53
100%
[Vihtavuori N165]*
<<locked>>
97%
46006
72%
**53
94%
Vihtavuori N540
<<locked>>
84%
57421
90%
**10
100%
Vihtavuori N550
<<locked>>
90%
57217
90%
**02
100%
Vihtavuori N555
<<locked>>
97%
52025
82%
**56
100%
[Vihtavuori N560]*
<<locked>>
97%
48675
76%
**04
92%
Winchester 6.5 StaBALL
<<locked>>
92%
57348
90%
**36
100%
Winchester 760
<<locked>>
89%
57363
90%
**19
98%
Winchester StaBALL HD
<<locked>>
97%
39726
62%
**94
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48124
75%
**79
99%
[ADI AR 2209]*
<<locked>>
85%
38406
60%
**12
90%
[ADI AR 2213]*
<<locked>>
92%
43468
68%
**53
90%
Accurate 2700
<<locked>>
81%
46949
74%
**94
95%
[Accurate 3100]*
<<locked>>
81%
30589
48%
**95
91%
Accurate 4064
<<locked>>
81%
52533
82%
**35
100%
Accurate 4350
<<locked>>
81%
40335
63%
**74
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
49023
77%
**09
100%
Alliant Reloder-15
<<locked>>
81%
52214
82%
**81
100%
Alliant Reloder-16
<<locked>>
81%
38363
60%
**61
97%
Alliant Reloder-17
<<locked>>
81%
43120
68%
**95
99%
[Alliant Reloder-19]*
<<locked>>
84%
37463
59%
**99
90%
[Alliant Reloder-22]*
<<locked>>
88%
37275
58%
**28
90%
[Alliant Reloder-23]*
<<locked>>
81%
29240
46%
**05
94%
[Alliant Reloder-25]*
<<locked>>
87%
30908
48%
**51
90%
[Alliant Reloder-26]*
<<locked>>
81%
31169
49%
**10
92%
Hodgdon CFE223
<<locked>>
81%
50836
80%
**87
99%
Hodgdon H380
<<locked>>
81%
50140
79%
**31
99%
Hodgdon H414
<<locked>>
81%
44991
70%
**76
95%
[Hodgdon H4350]*
<<locked>>
81%
37521
59%
**46
92%
[Hodgdon H4831 SC]*
<<locked>>
92%
44135
69%
**20
90%
Hodgdon Hybrid 100V
<<locked>>
81%
36042
56%
**59
98%
Hodgdon LVR
<<locked>>
81%
42235
66%
**13
97%
[Hodgdon Superperformance]*
<<locked>>
81%
40437
63%
**04
93%
Hodgdon VARGET
<<locked>>
81%
47819
75%
**72
99%
Hodgdon TrailBoss
<<locked>>
81%
27963
44%
**91
100%
IMR 3031
<<locked>>
81%
52968
83%
**68
100%
IMR 4064
<<locked>>
81%
47311
74%
**56
99%
IMR 4166 Enduron
<<locked>>
81%
46499
73%
**13
96%
[IMR 4350]*
<<locked>>
81%
39117
61%
**89
93%
IMR 4451 Enduron
<<locked>>
81%
44846
70%
**07
95%
IMR 4831
<<locked>>
81%
35186
55%
**26
95%
IMR 4895
<<locked>>
81%
53403
84%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
90%
42670
67%
**61
90%
[IMR 7828 SSC]*
<<locked>>
92%
43149
68%
**49
90%
Lovex S062
<<locked>>
81%
51184
80%
**18
100%
Lovex S065
<<locked>>
81%
43047
67%
**67
96%
[Lovex S070]*
<<locked>>
81%
41307
65%
**35
94%
[Lovex S071]*
<<locked>>
85%
29805
47%
**66
90%
Norma 203B
<<locked>>
81%
51547
81%
**64
100%
[Norma 204]*
<<locked>>
81%
38667
61%
**12
91%
[Norma MRP]*
<<locked>>
84%
34200
54%
**72
90%
Norma URP
<<locked>>
81%
39421
62%
**48
97%
Ramshot Big Game
<<locked>>
81%
51503
81%
**84
100%
[Ramshot Hunter]*
<<locked>>
81%
38334
60%
**31
94%
[Ramshot Magnum]*
<<locked>>
89%
36390
57%
**79
90%
ReloadSwiss RS 14
<<locked>>
81%
28558
45%
**34
100%
ReloadSwiss RS 50
<<locked>>
81%
49647
78%
**99
97%
ReloadSwiss RS 52
<<locked>>
81%
51285
80%
**91
100%
ReloadSwiss RS 60
<<locked>>
81%
41771
65%
**92
100%
ReloadSwiss RS 62
<<locked>>
81%
39334
62%
**71
96%
ReloadSwiss RS 70
<<locked>>
81%
38101
60%
**64
95%
[ReloadSwiss RS 76]*
<<locked>>
94%
36695
57%
**44
90%
Rottweil R 902
<<locked>>
81%
53301
84%
**35
100%
Rottweil R 903
<<locked>>
81%
46905
73%
**72
100%
[Rottweil R 904]*
<<locked>>
86%
40683
64%
**25
90%
[Rottweil R 905]*
<<locked>>
84%
36521
57%
**76
90%
[Rottweil R 907]*
<<locked>>
81%
44092
69%
**77
94%
SNPE Vectan SP 11
<<locked>>
81%
47529
74%
**09
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
47543
74%
**74
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41959
66%
**92
95%
Shooters World Long Rifle
<<locked>>
81%
43047
67%
**67
96%
Shooters World Precision
<<locked>>
81%
51184
80%
**18
100%
Somchem S355
<<locked>>
81%
47065
74%
**69
100%
[Somchem S361]*
<<locked>>
87%
43395
68%
**51
90%
Somchem S365
<<locked>>
81%
36158
57%
**15
99%
[Somchem S385]*
<<locked>>
81%
34084
53%
**80
90%
Vihtavuori N133
<<locked>>
81%
52924
83%
**49
100%
Vihtavuori N135
<<locked>>
81%
45876
72%
**84
100%
Vihtavuori N140
<<locked>>
81%
52431
82%
**02
100%
Vihtavuori N150
<<locked>>
81%
40683
64%
**05
99%
Vihtavuori N160
<<locked>>
81%
42308
66%
**84
97%
[Vihtavuori N165]*
<<locked>>
88%
35273
55%
**07
90%
Vihtavuori N540
<<locked>>
81%
52127
82%
**28
100%
Vihtavuori N550
<<locked>>
81%
43134
68%
**33
97%
Vihtavuori N555
<<locked>>
81%
32024
50%
**97
95%
[Vihtavuori N560]*
<<locked>>
93%
43772
69%
**95
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39972
63%
**15
99%
Winchester 760
<<locked>>
81%
44991
70%
**76
95%
[Winchester StaBALL HD]*
<<locked>>
81%
26513
42%
**69
92%

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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