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Load data for .30-378 Weath. Mag. + .308 | 165gr | NorthFork Bonded Core

Recommended Powder(s):

.30-378 Weath. Mag. + .308 | 165gr | NorthFork Bonded Core

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 165gr | NorthFork Bonded Core
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.216" | 30.9mm
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:
0.529" | 13.4mm
Shank Seated Depth:
0.529" | 13.4mm
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_B3917_C333
Last updated:
2025-01-01

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 165gr | NorthFork Bonded Core bullet and 45 powder(s). 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%
57348
90%
**69
100%
ADI AR 2213
<<locked>>
87%
57130
90%
**92
99%
ADI AR 2217
<<locked>>
96%
57392
90%
**86
100%
ADI AR 2218
<<locked>>
97%
51445
81%
**69
96%
ADI AR 2225 👍
<<locked>>
97%
53722
84%
**76
100%
Accurate 3100
<<locked>>
87%
56869
89%
**91
100%
Accurate MAGPRO
<<locked>>
87%
57348
90%
**05
98%
Alliant Reloder-19
<<locked>>
85%
57319
90%
**63
100%
Alliant Reloder-22
<<locked>>
87%
57087
89%
**79
100%
Alliant Reloder-23
<<locked>>
88%
57029
89%
**17
100%
Alliant Reloder-25
<<locked>>
92%
56898
89%
**86
100%
Alliant Reloder-26
<<locked>>
84%
56956
89%
**89
100%
Alliant Reloder-33
<<locked>>
97%
57159
90%
**35
97%
[Alliant Reloder-50]*
<<locked>>
97%
49081
77%
**68
94%
Hodgdon H1000
<<locked>>
96%
57392
90%
**86
100%
Hodgdon H4350
<<locked>>
83%
57159
90%
**00
100%
Hodgdon H4831
<<locked>>
90%
57101
89%
**36
99%
Hodgdon H4831 SC
<<locked>>
87%
57348
90%
**46
99%
Hodgdon Retumbo 👍
<<locked>>
97%
53722
84%
**76
100%
Hodgdon TrailBoss
<<locked>>
96%
36027
56%
**18
100%
IMR 4831
<<locked>>
84%
57000
89%
**97
100%
IMR 4955 Enduron
<<locked>>
88%
56956
89%
**14
99%
IMR 7828 SSC
<<locked>>
86%
57130
90%
**96
99%
[IMR 7977 Enduron]*
<<locked>>
93%
57058
89%
**74
94%
IMR 8133 Enduron
<<locked>>
97%
49501
78%
**68
99%
[Lovex D100]*
<<locked>>
96%
57217
90%
**94
93%
Lovex S071
<<locked>>
92%
56869
89%
**91
100%
Norma 217
<<locked>>
97%
50720
79%
**07
100%
Norma MRP
<<locked>>
85%
57087
89%
**92
100%
Ramshot Magnum
<<locked>>
87%
57058
89%
**53
100%
ReloadSwiss RS 14
<<locked>>
96%
36869
58%
**60
100%
ReloadSwiss RS 76 👍
<<locked>>
92%
57174
90%
**55
100%
ReloadSwiss RS 80 👍
<<locked>>
94%
57348
90%
**28
99%
Rottweil R 904
<<locked>>
85%
57319
90%
**23
99%
Rottweil R 905
<<locked>>
85%
57290
90%
**53
100%
Somchem S361
<<locked>>
84%
57334
90%
**94
99%
Somchem S385
<<locked>>
85%
57000
89%
**17
100%
Vihtavuori N165
<<locked>>
90%
57174
90%
**97
100%
Vihtavuori N170
<<locked>>
97%
54650
86%
**71
95%
Vihtavuori N555
<<locked>>
85%
56956
89%
**27
100%
Vihtavuori N560
<<locked>>
87%
57290
90%
**19
99%
Vihtavuori N565 👍
<<locked>>
91%
57087
89%
**82
99%
Vihtavuori N568
<<locked>>
94%
57261
90%
**19
98%
Vihtavuori N570
<<locked>>
95%
56985
89%
**48
97%
Winchester StaBALL HD
<<locked>>
88%
57334
90%
**02
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
50415
79%
**35
99%
ADI AR 2213
<<locked>>
81%
45542
71%
**79
97%
[ADI AR 2217]*
<<locked>>
81%
33866
53%
**77
93%
[ADI AR 2218]*
<<locked>>
90%
39363
62%
**81
90%
ADI AR 2225
<<locked>>
81%
31082
49%
**38
95%
Accurate 3100
<<locked>>
81%
46050
72%
**94
100%
Accurate MAGPRO
<<locked>>
81%
45614
71%
**69
95%
Alliant Reloder-19
<<locked>>
81%
50096
79%
**25
99%
Alliant Reloder-22
<<locked>>
81%
46238
72%
**72
98%
Alliant Reloder-23
<<locked>>
81%
44817
70%
**10
100%
Alliant Reloder-25
<<locked>>
81%
38827
61%
**35
99%
Alliant Reloder-26
<<locked>>
81%
51300
80%
**94
100%
[Alliant Reloder-33]*
<<locked>>
86%
37507
59%
**15
90%
[Alliant Reloder-50]*
<<locked>>
91%
39291
62%
**38
90%
[Hodgdon H1000]*
<<locked>>
81%
33866
53%
**77
93%
Hodgdon H4350
<<locked>>
81%
53200
83%
**41
100%
Hodgdon H4831
<<locked>>
81%
42511
67%
**61
96%
Hodgdon H4831 SC
<<locked>>
81%
47326
74%
**59
97%
Hodgdon Retumbo
<<locked>>
81%
31082
49%
**38
95%
Hodgdon TrailBoss
<<locked>>
81%
28877
45%
**50
100%
IMR 4831
<<locked>>
81%
51576
81%
**12
100%
IMR 4955 Enduron
<<locked>>
81%
46064
72%
**07
97%
IMR 7828 SSC
<<locked>>
81%
47239
74%
**18
98%
[IMR 7977 Enduron]*
<<locked>>
86%
45600
71%
**48
90%
[IMR 8133 Enduron]*
<<locked>>
82%
29486
46%
**75
90%
[Lovex D100]*
<<locked>>
92%
49371
77%
**59
90%
Lovex S071
<<locked>>
81%
39624
62%
**62
99%
[Norma 217]*
<<locked>>
81%
28689
45%
**62
92%
Norma MRP
<<locked>>
81%
49182
77%
**51
100%
Ramshot Magnum
<<locked>>
81%
44179
69%
**17
99%
ReloadSwiss RS 14
<<locked>>
81%
29660
46%
**96
100%
ReloadSwiss RS 76
<<locked>>
81%
37507
59%
**54
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
34301
54%
**17
91%
Rottweil R 904
<<locked>>
81%
50937
80%
**15
99%
Rottweil R 905
<<locked>>
81%
49835
78%
**25
99%
Somchem S361
<<locked>>
81%
52141
82%
**99
98%
Somchem S385
<<locked>>
81%
50343
79%
**89
100%
Vihtavuori N165
<<locked>>
81%
42714
67%
**31
98%
[Vihtavuori N170]*
<<locked>>
88%
40625
64%
**82
90%
Vihtavuori N555
<<locked>>
81%
49821
78%
**09
100%
Vihtavuori N560
<<locked>>
81%
46398
73%
**99
97%
Vihtavuori N565
<<locked>>
81%
40683
64%
**44
95%
[Vihtavuori N568]*
<<locked>>
81%
35650
56%
**49
91%
[Vihtavuori N570]*
<<locked>>
85%
38812
61%
**64
90%
Winchester StaBALL HD
<<locked>>
81%
43772
69%
**72
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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