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Load data for .30-378 Weath. Mag. + .308 | 125gr | Speer HP TNT

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

.30-378 Weath. Mag. + .308 | 125gr | Speer HP TNT

Load Specifications

Bullet:
.308 | 125gr | Speer HP TNT
Manufacturer SKU:
1986
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.920" | 23.4mm
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:
0.233" | 5.9mm
Shank Seated Depth:
0.233" | 5.9mm
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_B6143_C333
Last updated:
2025-02-02

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 108 loads in caliber .30-378 Weath. Mag. with .308 | 125gr | Speer HP TNT bullet and 54 powders such as Alliant Reloder-22, Alliant Reloder-25, Norma MRP, 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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    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 2209
<<locked>>
89%
57334
90%
**04
99%
ADI AR 2213
<<locked>>
92%
56884
89%
**37
98%
ADI AR 2217
<<locked>>
97%
50125
79%
**79
97%
ADI AR 2225
<<locked>>
97%
45469
71%
**17
98%
Accurate 3100
<<locked>>
92%
57305
90%
**35
100%
Accurate 4350
<<locked>>
83%
56913
89%
**68
100%
Accurate MAGPRO
<<locked>>
92%
57174
90%
**24
96%
Alliant Reloder-16
<<locked>>
85%
57203
90%
**24
100%
Alliant Reloder-19
<<locked>>
89%
57174
90%
**91
99%
Alliant Reloder-22 👍
<<locked>>
92%
57101
89%
**14
99%
Alliant Reloder-23
<<locked>>
93%
56942
89%
**84
100%
Alliant Reloder-25 👍
<<locked>>
97%
57043
89%
**40
100%
Alliant Reloder-26
<<locked>>
88%
57014
89%
**53
100%
Hodgdon H1000
<<locked>>
97%
50125
79%
**79
97%
Hodgdon H4350
<<locked>>
87%
57348
90%
**48
99%
Hodgdon H4831
<<locked>>
94%
57145
90%
**71
97%
Hodgdon H4831 SC
<<locked>>
91%
57145
90%
**71
97%
Hodgdon Hybrid 100V
<<locked>>
87%
56927
89%
**28
100%
Hodgdon Retumbo
<<locked>>
97%
45469
71%
**17
98%
Hodgdon TrailBoss
<<locked>>
97%
35549
56%
**87
100%
IMR 4350
<<locked>>
85%
57276
90%
**42
99%
IMR 4831
<<locked>>
88%
57072
89%
**58
100%
IMR 4955 Enduron
<<locked>>
92%
57130
90%
**38
97%
IMR 7828 SSC
<<locked>>
91%
57072
89%
**40
98%
[IMR 8133 Enduron]*
<<locked>>
97%
41379
65%
**89
93%
Lovex S065
<<locked>>
83%
57377
90%
**35
100%
Lovex S070
<<locked>>
84%
57261
90%
**48
100%
Lovex S071
<<locked>>
97%
57188
90%
**25
100%
Norma 204
<<locked>>
85%
56956
89%
**78
98%
Norma 217
<<locked>>
97%
41394
65%
**05
96%
Norma MRP 👍
<<locked>>
89%
57014
89%
**47
99%
Norma URP
<<locked>>
84%
57334
90%
**74
100%
Ramshot Hunter
<<locked>>
85%
57188
90%
**88
100%
Ramshot Magnum
<<locked>>
92%
57276
90%
**84
99%
ReloadSwiss RS 14
<<locked>>
96%
36216
57%
**36
100%
ReloadSwiss RS 62
<<locked>>
83%
57043
89%
**81
100%
ReloadSwiss RS 70
<<locked>>
84%
57246
90%
**40
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
57058
89%
**86
100%
ReloadSwiss RS 80
<<locked>>
97%
52794
83%
**58
96%
Rottweil R 904
<<locked>>
88%
57392
90%
**58
98%
Rottweil R 905
<<locked>>
89%
57043
89%
**94
99%
SNPE Vectan Tubal 7000
<<locked>>
84%
56985
89%
**76
99%
Shooters World Long Rifle
<<locked>>
83%
57377
90%
**35
100%
Somchem S361
<<locked>>
87%
57145
90%
**06
97%
Somchem S365
<<locked>>
86%
57072
89%
**61
100%
Somchem S385
<<locked>>
89%
57276
90%
**61
99%
Vihtavuori N150
<<locked>>
85%
57116
90%
**83
100%
Vihtavuori N165
<<locked>>
94%
56913
89%
**22
99%
Vihtavuori N555
<<locked>>
90%
57101
89%
**84
100%
Vihtavuori N560
<<locked>>
91%
57305
90%
**53
97%
Vihtavuori N565
<<locked>>
95%
57246
90%
**01
97%
Vihtavuori N568
<<locked>>
97%
53505
84%
**58
95%
Winchester 6.5 StaBALL
<<locked>>
83%
57130
90%
**89
100%
Winchester StaBALL HD 👍
<<locked>>
93%
56768
89%
**70
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43526
68%
**19
95%
[ADI AR 2213]*
<<locked>>
81%
39030
61%
**07
91%
[ADI AR 2217]*
<<locked>>
88%
36448
57%
**22
90%
[ADI AR 2225]*
<<locked>>
85%
30748
48%
**77
90%
Accurate 3100
<<locked>>
81%
39450
62%
**64
97%
Accurate 4350
<<locked>>
81%
52475
82%
**83
100%
[Accurate MAGPRO]*
<<locked>>
83%
41249
65%
**69
90%
Alliant Reloder-16
<<locked>>
81%
49966
78%
**96
100%
Alliant Reloder-19
<<locked>>
81%
43584
68%
**99
95%
[Alliant Reloder-22]*
<<locked>>
81%
39508
62%
**27
94%
Alliant Reloder-23
<<locked>>
81%
37927
59%
**87
99%
[Alliant Reloder-25]*
<<locked>>
81%
32822
51%
**69
94%
Alliant Reloder-26
<<locked>>
81%
42815
67%
**64
99%
[Hodgdon H1000]*
<<locked>>
88%
36448
57%
**22
90%
Hodgdon H4350
<<locked>>
81%
47123
74%
**38
97%
[Hodgdon H4831]*
<<locked>>
82%
37318
58%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
40930
64%
**07
92%
Hodgdon Hybrid 100V
<<locked>>
81%
47108
74%
**48
100%
[Hodgdon Retumbo]*
<<locked>>
85%
30748
48%
**77
90%
Hodgdon TrailBoss
<<locked>>
81%
28355
44%
**06
100%
IMR 4350
<<locked>>
81%
49472
78%
**07
98%
IMR 4831
<<locked>>
81%
44947
70%
**05
99%
[IMR 4955 Enduron]*
<<locked>>
81%
40495
63%
**81
92%
[IMR 7828 SSC]*
<<locked>>
81%
40016
63%
**50
92%
[IMR 8133 Enduron]*
<<locked>>
93%
35621
56%
**38
90%
Lovex S065
<<locked>>
81%
53200
83%
**60
100%
Lovex S070
<<locked>>
81%
51561
81%
**40
99%
[Lovex S071]*
<<locked>>
81%
33895
53%
**00
94%
Norma 204
<<locked>>
81%
50328
79%
**46
97%
[Norma 217]*
<<locked>>
89%
31575
49%
**20
90%
Norma MRP
<<locked>>
81%
41626
65%
**05
96%
Norma URP
<<locked>>
81%
51111
80%
**66
100%
Ramshot Hunter
<<locked>>
81%
50241
79%
**56
99%
[Ramshot Magnum]*
<<locked>>
81%
37115
58%
**51
94%
ReloadSwiss RS 14
<<locked>>
81%
28993
45%
**52
100%
ReloadSwiss RS 62
<<locked>>
81%
52678
83%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
51271
80%
**25
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31430
49%
**23
90%
[ReloadSwiss RS 80]*
<<locked>>
89%
39175
61%
**40
90%
[Rottweil R 904]*
<<locked>>
81%
44817
70%
**05
94%
Rottweil R 905
<<locked>>
81%
43076
67%
**96
95%
SNPE Vectan Tubal 7000
<<locked>>
81%
52373
82%
**91
99%
Shooters World Long Rifle
<<locked>>
81%
53200
83%
**60
100%
[Somchem S361]*
<<locked>>
81%
45977
72%
**76
94%
Somchem S365
<<locked>>
81%
48399
76%
**10
100%
Somchem S385
<<locked>>
81%
43656
68%
**76
96%
Vihtavuori N150
<<locked>>
81%
50604
79%
**61
100%
[Vihtavuori N165]*
<<locked>>
81%
36869
58%
**89
93%
Vihtavuori N555
<<locked>>
81%
42453
67%
**82
99%
[Vihtavuori N560]*
<<locked>>
81%
39537
62%
**46
91%
[Vihtavuori N565]*
<<locked>>
83%
36767
58%
**35
90%
[Vihtavuori N568]*
<<locked>>
90%
40930
64%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52373
82%
**07
100%
Winchester StaBALL HD
<<locked>>
81%
35070
55%
**94
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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