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Load data for .30-378 Weath. Mag. + .308 | 140gr | Hornady MonoFlex

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

.30-378 Weath. Mag. + .308 | 140gr | Hornady MonoFlex

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Hornady MonoFlex
Manufacturer SKU:
30310
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.040" | 26.4mm
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:
0.353" | 9.0mm
Shank Seated Depth:
0.183" | 4.6mm
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_B2664_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:16 - 1:13

Load data for 98 loads in caliber .30-378 Weath. Mag. with .308 | 140gr | Hornady MonoFlex bullet and 49 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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    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>>
87%
57232
90%
**69
99%
ADI AR 2213
<<locked>>
90%
57116
90%
**92
98%
ADI AR 2217
<<locked>>
97%
53708
84%
**27
98%
ADI AR 2225
<<locked>>
97%
48762
76%
**68
100%
Accurate 3100
<<locked>>
90%
57087
89%
**97
100%
Accurate MAGPRO
<<locked>>
90%
57029
89%
**96
97%
Alliant Reloder-16
<<locked>>
83%
57217
90%
**73
100%
Alliant Reloder-19
<<locked>>
87%
57130
90%
**56
99%
Alliant Reloder-22 👍
<<locked>>
90%
57000
89%
**83
99%
Alliant Reloder-23
<<locked>>
91%
57406
90%
**46
100%
Alliant Reloder-25 👍
<<locked>>
95%
57435
90%
**99
100%
Alliant Reloder-26
<<locked>>
86%
57261
90%
**12
100%
[Alliant Reloder-33]*
<<locked>>
97%
51721
81%
**20
94%
Hodgdon H1000
<<locked>>
97%
53708
84%
**27
98%
Hodgdon H4350
<<locked>>
85%
57072
89%
**07
100%
Hodgdon H4831
<<locked>>
92%
57101
89%
**43
98%
Hodgdon H4831 SC
<<locked>>
89%
57101
89%
**43
98%
Hodgdon Hybrid 100V
<<locked>>
85%
57232
90%
**94
100%
Hodgdon Retumbo
<<locked>>
97%
48762
76%
**68
100%
Hodgdon TrailBoss
<<locked>>
97%
35824
56%
**75
100%
IMR 4350
<<locked>>
84%
57421
90%
**20
100%
IMR 4831
<<locked>>
86%
57000
89%
**01
100%
IMR 4955 Enduron
<<locked>>
90%
57217
90%
**23
98%
IMR 7828 SSC
<<locked>>
89%
57101
89%
**99
98%
[IMR 7977 Enduron]*
<<locked>>
95%
57435
90%
**68
92%
IMR 8133 Enduron
<<locked>>
97%
44672
70%
**63
96%
Lovex S071
<<locked>>
95%
57334
90%
**94
100%
Norma 204
<<locked>>
83%
57276
90%
**43
99%
Norma 217
<<locked>>
97%
45223
71%
**96
98%
Norma MRP
<<locked>>
88%
57043
89%
**12
100%
Ramshot Hunter
<<locked>>
83%
57203
90%
**46
100%
Ramshot Magnum 👍
<<locked>>
90%
57319
90%
**50
100%
ReloadSwiss RS 14
<<locked>>
96%
36564
57%
**24
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
57392
90%
**68
100%
ReloadSwiss RS 80
<<locked>>
97%
57319
90%
**12
98%
Rottweil R 904
<<locked>>
87%
57058
89%
**17
98%
Rottweil R 905
<<locked>>
87%
57058
89%
**53
99%
Somchem S361
<<locked>>
86%
57203
90%
**87
98%
Somchem S365
<<locked>>
84%
57276
90%
**23
100%
Somchem S385
<<locked>>
87%
57232
90%
**23
100%
Vihtavuori N150
<<locked>>
83%
57377
90%
**32
100%
Vihtavuori N165
<<locked>>
92%
57246
90%
**01
100%
[Vihtavuori N170]*
<<locked>>
97%
50154
79%
**59
92%
Vihtavuori N555
<<locked>>
88%
56898
89%
**27
100%
Vihtavuori N560
<<locked>>
90%
57348
90%
**12
98%
Vihtavuori N565
<<locked>>
93%
56942
89%
**76
98%
Vihtavuori N568
<<locked>>
97%
57203
90%
**12
97%
Vihtavuori N570
<<locked>>
97%
55201
86%
**06
95%
Winchester StaBALL HD 👍
<<locked>>
91%
57188
90%
**32
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46441
73%
**53
97%
[ADI AR 2213]*
<<locked>>
81%
41684
65%
**71
94%
[ADI AR 2217]*
<<locked>>
83%
33388
52%
**18
90%
[ADI AR 2225]*
<<locked>>
81%
28631
45%
**94
90%
Accurate 3100
<<locked>>
81%
42235
66%
**02
98%
[Accurate MAGPRO]*
<<locked>>
81%
41524
65%
**61
92%
Alliant Reloder-16
<<locked>>
81%
53258
83%
**04
100%
Alliant Reloder-19
<<locked>>
81%
46325
73%
**46
97%
Alliant Reloder-22
<<locked>>
81%
42380
66%
**71
96%
Alliant Reloder-23
<<locked>>
81%
40988
64%
**38
100%
Alliant Reloder-25
<<locked>>
81%
35259
55%
**23
97%
Alliant Reloder-26
<<locked>>
81%
46586
73%
**05
100%
[Alliant Reloder-33]*
<<locked>>
92%
42482
67%
**97
90%
[Hodgdon H1000]*
<<locked>>
83%
33388
52%
**18
90%
Hodgdon H4350
<<locked>>
81%
49705
78%
**69
99%
[Hodgdon H4831]*
<<locked>>
81%
39015
61%
**56
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
43613
68%
**64
94%
Hodgdon Hybrid 100V
<<locked>>
81%
50009
78%
**69
100%
[Hodgdon Retumbo]*
<<locked>>
81%
28631
45%
**94
90%
Hodgdon TrailBoss
<<locked>>
81%
28529
45%
**98
100%
IMR 4350
<<locked>>
81%
52214
82%
**19
99%
IMR 4831
<<locked>>
81%
47659
75%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
81%
43004
67%
**18
94%
IMR 7828 SSC
<<locked>>
81%
42931
67%
**04
95%
[IMR 7977 Enduron]*
<<locked>>
91%
50850
80%
**40
90%
[IMR 8133 Enduron]*
<<locked>>
89%
33272
52%
**51
90%
Lovex S071
<<locked>>
81%
36230
57%
**51
97%
Norma 204
<<locked>>
81%
53432
84%
**71
99%
[Norma 217]*
<<locked>>
85%
29298
46%
**46
90%
Norma MRP
<<locked>>
81%
44889
70%
**56
98%
Ramshot Hunter
<<locked>>
81%
53287
83%
**78
100%
Ramshot Magnum
<<locked>>
81%
40001
63%
**05
96%
ReloadSwiss RS 14
<<locked>>
81%
29269
46%
**44
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
33953
53%
**07
94%
[ReloadSwiss RS 80]*
<<locked>>
85%
36535
57%
**46
90%
Rottweil R 904
<<locked>>
81%
47413
74%
**30
96%
Rottweil R 905
<<locked>>
81%
45934
72%
**27
97%
Somchem S361
<<locked>>
81%
48660
76%
**23
96%
Somchem S365
<<locked>>
81%
51735
81%
**35
100%
Somchem S385
<<locked>>
81%
46456
73%
**07
98%
Vihtavuori N150
<<locked>>
81%
53519
84%
**76
100%
Vihtavuori N165
<<locked>>
81%
39334
62%
**40
96%
[Vihtavuori N170]*
<<locked>>
94%
45905
72%
**84
90%
Vihtavuori N555
<<locked>>
81%
45440
71%
**27
100%
[Vihtavuori N560]*
<<locked>>
81%
42482
67%
**97
94%
[Vihtavuori N565]*
<<locked>>
81%
36912
58%
**17
92%
[Vihtavuori N568]*
<<locked>>
86%
37942
59%
**79
90%
[Vihtavuori N570]*
<<locked>>
91%
43468
68%
**46
90%
Winchester StaBALL HD
<<locked>>
81%
38580
60%
**58
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.

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