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Load data for .30-378 Weath. Mag. + .308 | 155gr | Berger Hybrid Target

Recommended Powder(s): IMR 7828 SSC, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 155gr | Berger Hybrid Target

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 155gr | Berger Hybrid Target
Manufacturer SKU:
30426
Bullet Weight:
155gr | 10.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.271" | 32.3mm
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:
0.584" | 14.8mm
Shank Seated Depth:
0.363" | 9.2mm
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_B1063_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 155gr | Berger Hybrid Target bullet and 45 powders such as IMR 7828 SSC, ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560, 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>>
86%
57246
90%
**41
100%
ADI AR 2213
<<locked>>
89%
57014
89%
**78
99%
ADI AR 2217
<<locked>>
97%
55535
87%
**45
99%
[ADI AR 2218]*
<<locked>>
97%
48501
76%
**76
94%
ADI AR 2225
<<locked>>
97%
50691
79%
**99
100%
Accurate 3100
<<locked>>
89%
57392
90%
**76
100%
Accurate MAGPRO
<<locked>>
89%
57014
89%
**71
98%
Alliant Reloder-19
<<locked>>
86%
57217
90%
**35
100%
Alliant Reloder-22
<<locked>>
89%
56869
89%
**64
100%
Alliant Reloder-23
<<locked>>
90%
57014
89%
**05
100%
Alliant Reloder-25
<<locked>>
94%
57043
89%
**68
100%
Alliant Reloder-26
<<locked>>
85%
57072
89%
**78
100%
Alliant Reloder-33
<<locked>>
97%
53867
84%
**45
96%
[Alliant Reloder-50]*
<<locked>>
97%
45890
72%
**77
93%
Hodgdon H1000
<<locked>>
97%
55535
87%
**45
99%
Hodgdon H4350
<<locked>>
84%
57101
89%
**82
100%
Hodgdon H4831
<<locked>>
91%
57159
90%
**22
99%
Hodgdon H4831 SC
<<locked>>
88%
57392
90%
**19
99%
Hodgdon Hybrid 100V
<<locked>>
84%
57290
90%
**56
100%
Hodgdon Retumbo
<<locked>>
97%
50691
79%
**99
100%
Hodgdon TrailBoss
<<locked>>
96%
35824
56%
**73
100%
IMR 4831
<<locked>>
86%
57058
89%
**82
100%
IMR 4955 Enduron
<<locked>>
89%
57217
90%
**89
99%
IMR 7828 SSC 👍
<<locked>>
88%
57072
89%
**87
99%
[IMR 7977 Enduron]*
<<locked>>
94%
57261
90%
**53
93%
IMR 8133 Enduron
<<locked>>
97%
46717
73%
**91
97%
Lovex S071
<<locked>>
94%
57392
90%
**76
100%
Norma 217
<<locked>>
97%
47108
74%
**23
99%
Norma MRP
<<locked>>
87%
57406
90%
**78
100%
Ramshot Magnum
<<locked>>
89%
57116
89%
**32
100%
ReloadSwiss RS 14
<<locked>>
97%
36999
58%
**26
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57058
89%
**33
100%
ReloadSwiss RS 80 👍
<<locked>>
96%
57334
90%
**07
99%
Rottweil R 904
<<locked>>
86%
57014
89%
**92
99%
Rottweil R 905
<<locked>>
87%
57217
90%
**28
100%
Somchem S361
<<locked>>
85%
57334
90%
**63
99%
Somchem S385
<<locked>>
86%
57000
89%
**96
100%
Vihtavuori N165
<<locked>>
91%
57087
89%
**82
100%
[Vihtavuori N170]*
<<locked>>
97%
51692
81%
**97
94%
Vihtavuori N555
<<locked>>
87%
57261
90%
**05
100%
Vihtavuori N560 👍
<<locked>>
88%
56985
89%
**87
99%
Vihtavuori N565
<<locked>>
92%
57305
90%
**64
99%
Vihtavuori N568
<<locked>>
96%
57232
90%
**07
98%
Vihtavuori N570
<<locked>>
97%
56855
89%
**17
96%
Winchester StaBALL HD 👍
<<locked>>
90%
56942
89%
**87
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48080
75%
**81
98%
ADI AR 2213
<<locked>>
81%
43236
68%
**99
96%
[ADI AR 2217]*
<<locked>>
81%
32126
50%
**84
91%
[ADI AR 2218]*
<<locked>>
93%
41742
65%
**95
90%
[ADI AR 2225]*
<<locked>>
81%
29385
46%
**38
93%
Accurate 3100
<<locked>>
81%
43758
69%
**30
99%
[Accurate MAGPRO]*
<<locked>>
81%
43207
68%
**95
94%
Alliant Reloder-19
<<locked>>
81%
47834
75%
**54
98%
Alliant Reloder-22
<<locked>>
81%
43903
69%
**09
98%
Alliant Reloder-23
<<locked>>
81%
42540
67%
**53
100%
Alliant Reloder-25
<<locked>>
81%
36637
57%
**64
99%
Alliant Reloder-26
<<locked>>
81%
48370
76%
**33
100%
[Alliant Reloder-33]*
<<locked>>
89%
39566
62%
**40
90%
[Alliant Reloder-50]*
<<locked>>
94%
41176
65%
**53
90%
[Hodgdon H1000]*
<<locked>>
81%
32126
50%
**84
91%
Hodgdon H4350
<<locked>>
81%
51343
80%
**77
99%
[Hodgdon H4831]*
<<locked>>
81%
40480
63%
**81
94%
Hodgdon H4831 SC
<<locked>>
81%
45136
71%
**82
96%
Hodgdon Hybrid 100V
<<locked>>
81%
51764
81%
**68
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29385
46%
**38
93%
Hodgdon TrailBoss
<<locked>>
81%
28689
45%
**03
100%
IMR 4831
<<locked>>
81%
49255
77%
**51
100%
IMR 4955 Enduron
<<locked>>
81%
44150
69%
**36
96%
IMR 7828 SSC
<<locked>>
81%
44730
70%
**38
96%
[IMR 7977 Enduron]*
<<locked>>
89%
48254
76%
**69
90%
[IMR 8133 Enduron]*
<<locked>>
85%
31024
49%
**87
90%
Lovex S071
<<locked>>
81%
37579
59%
**82
98%
[Norma 217]*
<<locked>>
81%
27383
43%
**89
90%
Norma MRP
<<locked>>
81%
46586
73%
**74
99%
Ramshot Magnum
<<locked>>
81%
41626
65%
**33
98%
ReloadSwiss RS 14
<<locked>>
81%
29428
46%
**49
100%
ReloadSwiss RS 76
<<locked>>
81%
35302
55%
**54
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
34069
53%
**85
90%
Rottweil R 904
<<locked>>
81%
48776
76%
**48
98%
Rottweil R 905
<<locked>>
81%
47471
74%
**54
98%
Somchem S361
<<locked>>
81%
49995
78%
**31
97%
Somchem S385
<<locked>>
81%
48066
75%
**35
99%
Vihtavuori N165
<<locked>>
81%
40654
64%
**54
97%
[Vihtavuori N170]*
<<locked>>
91%
42641
67%
**07
90%
Vihtavuori N555
<<locked>>
81%
47326
74%
**45
100%
Vihtavuori N560
<<locked>>
81%
44005
69%
**15
96%
[Vihtavuori N565]*
<<locked>>
81%
38464
60%
**58
94%
[Vihtavuori N568]*
<<locked>>
83%
35418
55%
**12
90%
[Vihtavuori N570]*
<<locked>>
88%
40524
63%
**72
90%
Winchester StaBALL HD
<<locked>>
81%
40698
64%
**05
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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