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Load data for .30-378 Weath. Mag. + .308 | 125gr | Barnes X S

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 125gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr | Barnes X S
Manufacturer SKU:
30805
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
3.600" | 91.4mm
Seated Depth:
0.313" | 7.9mm
Shank Seated Depth:
0.313" | 7.9mm
Case Capacity:
133.0 Grains of Water | 8.64 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B594_C333
Last updated:
2025-01-01

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 125gr | Barnes X S bullet and 45 powders such as Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, ReloadSwiss RS 76, Winchester StaBALL HD. 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 2209
<<locked>>
87%
56855
89%
**84
98%
ADI AR 2213
<<locked>>
90%
57261
90%
**33
98%
ADI AR 2217
<<locked>>
97%
54027
85%
**55
98%
ADI AR 2225
<<locked>>
97%
49530
78%
**99
99%
Accurate 3100
<<locked>>
89%
57174
90%
**15
100%
Accurate MAGPRO
<<locked>>
89%
57101
89%
**17
96%
Alliant Reloder-16
<<locked>>
83%
57421
90%
**10
100%
Alliant Reloder-19
<<locked>>
87%
57174
90%
**81
99%
Alliant Reloder-22 👍
<<locked>>
90%
57305
90%
**14
99%
Alliant Reloder-23
<<locked>>
90%
57072
89%
**68
100%
Alliant Reloder-25 👍
<<locked>>
95%
56768
89%
**20
100%
Alliant Reloder-26
<<locked>>
86%
57058
89%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
52678
83%
**51
93%
Hodgdon H1000
<<locked>>
97%
54027
85%
**55
98%
Hodgdon H4350
<<locked>>
85%
56956
89%
**28
99%
Hodgdon H4831
<<locked>>
92%
56855
89%
**58
97%
Hodgdon H4831 SC
<<locked>>
89%
56855
89%
**58
97%
Hodgdon Hybrid 100V
<<locked>>
85%
57377
90%
**32
100%
Hodgdon Retumbo
<<locked>>
97%
49530
78%
**99
99%
Hodgdon TrailBoss
<<locked>>
97%
36056
57%
**87
100%
IMR 4350
<<locked>>
84%
57276
90%
**42
99%
IMR 4831
<<locked>>
86%
56985
89%
**38
100%
IMR 4955 Enduron
<<locked>>
90%
57203
90%
**28
97%
IMR 7828 SSC
<<locked>>
89%
56942
89%
**33
98%
IMR 8133 Enduron
<<locked>>
97%
45701
72%
**01
95%
Lovex S071
<<locked>>
94%
57203
90%
**22
100%
Norma 204
<<locked>>
83%
57421
90%
**78
98%
Norma 217
<<locked>>
97%
46137
72%
**40
98%
Norma MRP
<<locked>>
88%
57392
90%
**50
100%
Ramshot Magnum 👍
<<locked>>
90%
57159
90%
**74
99%
ReloadSwiss RS 14
<<locked>>
96%
36854
58%
**36
100%
ReloadSwiss RS 76 👍
<<locked>>
94%
57058
89%
**93
100%
ReloadSwiss RS 80
<<locked>>
97%
57406
90%
**50
97%
Rottweil R 904
<<locked>>
87%
57116
90%
**45
98%
Rottweil R 905
<<locked>>
87%
57246
90%
**91
99%
Somchem S361
<<locked>>
85%
57203
90%
**96
97%
Somchem S365
<<locked>>
83%
56985
89%
**61
100%
Somchem S385
<<locked>>
87%
57276
90%
**51
99%
Vihtavuori N165
<<locked>>
92%
57421
90%
**32
99%
Vihtavuori N555
<<locked>>
87%
57232
90%
**74
100%
Vihtavuori N560
<<locked>>
89%
57203
90%
**40
97%
Vihtavuori N565
<<locked>>
93%
56753
89%
**97
97%
Vihtavuori N568
<<locked>>
96%
56826
89%
**40
96%
[Vihtavuori N570]*
<<locked>>
97%
55434
87%
**30
93%
Winchester StaBALL HD 👍
<<locked>>
91%
57334
90%
**79
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
47094
74%
**91
96%
[ADI AR 2213]*
<<locked>>
81%
42467
67%
**92
93%
[ADI AR 2217]*
<<locked>>
84%
35926
56%
**99
90%
[ADI AR 2225]*
<<locked>>
81%
30414
48%
**61
90%
Accurate 3100
<<locked>>
81%
44382
70%
**73
98%
[Accurate MAGPRO]*
<<locked>>
81%
42757
67%
**05
91%
Alliant Reloder-16
<<locked>>
81%
53461
84%
**42
100%
Alliant Reloder-19
<<locked>>
81%
47152
74%
**87
96%
Alliant Reloder-22
<<locked>>
81%
43511
68%
**32
95%
Alliant Reloder-23
<<locked>>
81%
42090
66%
**89
100%
Alliant Reloder-25
<<locked>>
81%
36869
58%
**87
97%
Alliant Reloder-26
<<locked>>
81%
47485
74%
**63
100%
[Alliant Reloder-33]*
<<locked>>
93%
45150
71%
**84
90%
[Hodgdon H1000]*
<<locked>>
84%
35926
56%
**99
90%
Hodgdon H4350
<<locked>>
81%
50546
79%
**07
98%
[Hodgdon H4831]*
<<locked>>
81%
40219
63%
**94
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
44498
70%
**02
93%
Hodgdon Hybrid 100V
<<locked>>
81%
50865
80%
**04
100%
[Hodgdon Retumbo]*
<<locked>>
81%
30414
48%
**61
90%
Hodgdon TrailBoss
<<locked>>
81%
28776
45%
**06
100%
IMR 4350
<<locked>>
81%
52721
83%
**50
99%
IMR 4831
<<locked>>
81%
48979
77%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
81%
43627
68%
**40
93%
[IMR 7828 SSC]*
<<locked>>
81%
43932
69%
**51
94%
[IMR 8133 Enduron]*
<<locked>>
89%
35578
56%
**31
90%
Lovex S071
<<locked>>
81%
38653
61%
**25
96%
Norma 204
<<locked>>
81%
53563
84%
**02
98%
[Norma 217]*
<<locked>>
85%
31169
49%
**04
90%
Norma MRP
<<locked>>
81%
45934
72%
**17
98%
Ramshot Magnum
<<locked>>
81%
41307
65%
**53
96%
ReloadSwiss RS 14
<<locked>>
81%
29573
46%
**52
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
35592
56%
**71
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
38769
61%
**27
90%
Rottweil R 904
<<locked>>
81%
48037
75%
**71
96%
Rottweil R 905
<<locked>>
81%
46862
73%
**68
96%
Somchem S361
<<locked>>
81%
49385
77%
**45
95%
Somchem S365
<<locked>>
81%
52794
83%
**83
100%
Somchem S385
<<locked>>
81%
47892
75%
**64
98%
Vihtavuori N165
<<locked>>
81%
40364
63%
**64
95%
Vihtavuori N555
<<locked>>
81%
47094
74%
**87
100%
[Vihtavuori N560]*
<<locked>>
81%
43337
68%
**38
93%
[Vihtavuori N565]*
<<locked>>
81%
38798
61%
**91
91%
[Vihtavuori N568]*
<<locked>>
87%
40538
64%
**63
90%
[Vihtavuori N570]*
<<locked>>
92%
46934
74%
**40
90%
Winchester StaBALL HD
<<locked>>
81%
39465
62%
**19
100%

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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