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Load data for .30-378 Weath. Mag. + .308 | 165gr | H&N RN H

Recommended Powder(s): ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560, Vihtavuori N565, Vihtavuori N568

.30-378 Weath. Mag. + .308 | 165gr | H&N RN H

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | H&N RN H
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
0.980" | 24.9mm
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:
0.293" | 7.4mm
Shank Seated Depth:
0.273" | 6.9mm
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_B7409_C333
Last updated:
2025-01-01

Load data for 92 loads in caliber .30-378 Weath. Mag. with .308 | 165gr | H&N RN H bullet and 46 powders such as ReloadSwiss RS 76, ReloadSwiss RS 80, Vihtavuori N560, Vihtavuori N565, Vihtavuori N568. 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>>
85%
57014
89%
**73
100%
ADI AR 2213
<<locked>>
88%
57290
90%
**05
99%
ADI AR 2217
<<locked>>
96%
57101
89%
**92
100%
ADI AR 2218
<<locked>>
97%
50053
78%
**40
96%
ADI AR 2225
<<locked>>
97%
52997
83%
**59
100%
Accurate 3100
<<locked>>
88%
57058
89%
**00
100%
Accurate MAGPRO
<<locked>>
88%
57130
90%
**96
98%
Alliant Reloder-19
<<locked>>
86%
57072
89%
**56
100%
Alliant Reloder-22
<<locked>>
88%
57232
90%
**89
100%
Alliant Reloder-23
<<locked>>
89%
57188
90%
**27
100%
Alliant Reloder-25
<<locked>>
93%
57203
90%
**86
100%
Alliant Reloder-26
<<locked>>
85%
57305
90%
**89
100%
Alliant Reloder-33
<<locked>>
97%
56275
88%
**12
97%
[Alliant Reloder-50]*
<<locked>>
97%
46557
73%
**09
94%
Hodgdon H1000
<<locked>>
96%
57101
89%
**92
100%
Hodgdon H4350
<<locked>>
84%
57000
89%
**17
100%
Hodgdon H4831
<<locked>>
91%
57334
90%
**50
99%
Hodgdon H4831 SC
<<locked>>
87%
57334
90%
**50
99%
Hodgdon Hybrid 100V
<<locked>>
83%
57203
90%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
52997
83%
**59
100%
Hodgdon TrailBoss
<<locked>>
97%
35737
56%
**28
100%
IMR 4831
<<locked>>
85%
57000
89%
**00
100%
IMR 4955 Enduron
<<locked>>
88%
57087
89%
**23
99%
IMR 7828 SSC
<<locked>>
87%
57217
90%
**09
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57421
90%
**94
94%
IMR 8133 Enduron
<<locked>>
97%
47674
75%
**38
98%
[Lovex D100]*
<<locked>>
97%
56898
89%
**00
93%
Lovex S071
<<locked>>
93%
57058
89%
**00
100%
Norma 217
<<locked>>
97%
48863
77%
**71
100%
Norma MRP
<<locked>>
86%
57406
90%
**09
100%
Ramshot Magnum
<<locked>>
88%
56985
89%
**50
100%
ReloadSwiss RS 14
<<locked>>
97%
36825
58%
**77
100%
ReloadSwiss RS 76 👍
<<locked>>
92%
57000
89%
**38
100%
ReloadSwiss RS 80 👍
<<locked>>
95%
56971
89%
**19
99%
Rottweil R 904
<<locked>>
85%
57014
89%
**33
99%
Rottweil R 905
<<locked>>
86%
57116
90%
**56
100%
Somchem S361
<<locked>>
84%
56985
89%
**87
99%
Somchem S385
<<locked>>
86%
56971
89%
**17
100%
Vihtavuori N165
<<locked>>
91%
57188
90%
**07
100%
Vihtavuori N170
<<locked>>
97%
52910
83%
**48
95%
Vihtavuori N555
<<locked>>
86%
57232
90%
**30
100%
Vihtavuori N560 👍
<<locked>>
88%
57246
90%
**19
99%
Vihtavuori N565 👍
<<locked>>
92%
56956
89%
**73
99%
Vihtavuori N568 👍
<<locked>>
95%
57435
90%
**22
99%
Vihtavuori N570
<<locked>>
96%
57276
90%
**51
97%
Winchester StaBALL HD
<<locked>>
89%
57421
90%
**99
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49081
77%
**25
99%
ADI AR 2213
<<locked>>
81%
44077
69%
**49
97%
[ADI AR 2217]*
<<locked>>
81%
32039
50%
**31
92%
[ADI AR 2218]*
<<locked>>
91%
39624
62%
**77
90%
[ADI AR 2225]*
<<locked>>
81%
29080
46%
**62
93%
Accurate 3100
<<locked>>
81%
43627
68%
**58
100%
Accurate MAGPRO
<<locked>>
81%
43932
69%
**30
95%
Alliant Reloder-19
<<locked>>
81%
48950
77%
**09
99%
Alliant Reloder-22
<<locked>>
81%
44498
70%
**49
98%
Alliant Reloder-23
<<locked>>
81%
43033
67%
**77
100%
Alliant Reloder-25
<<locked>>
81%
37130
58%
**95
99%
Alliant Reloder-26
<<locked>>
81%
49472
78%
**71
100%
[Alliant Reloder-33]*
<<locked>>
87%
37521
59%
**12
90%
[Alliant Reloder-50]*
<<locked>>
93%
39247
61%
**28
90%
[Hodgdon H1000]*
<<locked>>
81%
32039
50%
**31
92%
Hodgdon H4350
<<locked>>
81%
52170
82%
**31
100%
Hodgdon H4831
<<locked>>
81%
40843
64%
**28
95%
Hodgdon H4831 SC
<<locked>>
81%
45759
72%
**36
97%
Hodgdon Hybrid 100V
<<locked>>
81%
52649
82%
**12
100%
[Hodgdon Retumbo]*
<<locked>>
81%
29080
46%
**62
93%
Hodgdon TrailBoss
<<locked>>
81%
28442
45%
**54
100%
IMR 4831
<<locked>>
81%
49690
78%
**72
100%
IMR 4955 Enduron
<<locked>>
81%
44918
70%
**87
97%
IMR 7828 SSC
<<locked>>
81%
45730
72%
**86
97%
[IMR 7977 Enduron]*
<<locked>>
86%
44933
70%
**44
90%
[IMR 8133 Enduron]*
<<locked>>
85%
30211
47%
**89
90%
[Lovex D100]*
<<locked>>
93%
48602
76%
**46
90%
Lovex S071
<<locked>>
81%
36956
58%
**97
98%
[Norma 217]*
<<locked>>
82%
26716
42%
**87
90%
Norma MRP
<<locked>>
81%
47558
75%
**18
100%
Ramshot Magnum
<<locked>>
81%
42612
67%
**84
99%
ReloadSwiss RS 14
<<locked>>
81%
29095
46%
**00
100%
ReloadSwiss RS 76
<<locked>>
81%
35650
56%
**99
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
33098
52%
**74
90%
Rottweil R 904
<<locked>>
81%
49777
78%
**99
98%
Rottweil R 905
<<locked>>
81%
48254
76%
**92
99%
Somchem S361
<<locked>>
81%
50836
80%
**79
98%
Somchem S385
<<locked>>
81%
48327
76%
**69
99%
Vihtavuori N165
<<locked>>
81%
40915
64%
**95
98%
[Vihtavuori N170]*
<<locked>>
89%
40524
63%
**92
90%
Vihtavuori N555
<<locked>>
81%
47500
74%
**66
100%
Vihtavuori N560
<<locked>>
81%
44831
70%
**69
97%
Vihtavuori N565
<<locked>>
81%
38261
60%
**92
95%
[Vihtavuori N568]*
<<locked>>
82%
34229
54%
**03
90%
[Vihtavuori N570]*
<<locked>>
86%
38943
61%
**48
90%
Winchester StaBALL HD
<<locked>>
81%
41829
66%
**27
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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