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Load data for .30-378 Weath. Mag. + .308 | 140gr | Barnes X BT

Recommended Powder(s): ADI AR 2217, Alliant Reloder-22, Alliant Reloder-25, Hodgdon H1000, ReloadSwiss RS 76

.30-378 Weath. Mag. + .308 | 140gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Barnes X BT
Manufacturer SKU:
30810
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.145" | 29.1mm
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:
0.458" | 11.6mm
Shank Seated Depth:
0.333" | 8.5mm
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_B601_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 90 loads in caliber .30-378 Weath. Mag. with .308 | 140gr | Barnes X BT bullet and 45 powders such as ADI AR 2217, Alliant Reloder-22, Alliant Reloder-25, Hodgdon H1000, ReloadSwiss RS 76. 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%
56826
89%
**53
99%
ADI AR 2213
<<locked>>
88%
56985
89%
**92
98%
ADI AR 2217 👍
<<locked>>
97%
56985
89%
**73
99%
[ADI AR 2218]*
<<locked>>
97%
50401
79%
**04
93%
ADI AR 2225
<<locked>>
97%
52750
83%
**37
100%
Accurate 3100
<<locked>>
87%
57406
90%
**91
100%
Accurate MAGPRO
<<locked>>
88%
57377
90%
**86
97%
Alliant Reloder-19
<<locked>>
86%
57174
90%
**53
99%
Alliant Reloder-22 👍
<<locked>>
88%
57392
90%
**76
99%
Alliant Reloder-23
<<locked>>
89%
57014
89%
**27
100%
Alliant Reloder-25 👍
<<locked>>
93%
57203
90%
**89
100%
Alliant Reloder-26
<<locked>>
84%
57363
90%
**09
100%
Alliant Reloder-33
<<locked>>
97%
55767
87%
**96
95%
[Alliant Reloder-50]*
<<locked>>
97%
48849
77%
**38
92%
Hodgdon H1000 👍
<<locked>>
97%
56985
89%
**73
99%
Hodgdon H4350
<<locked>>
84%
57188
90%
**97
100%
Hodgdon H4831
<<locked>>
91%
56985
89%
**23
98%
Hodgdon H4831 SC
<<locked>>
87%
56985
89%
**23
98%
Hodgdon Hybrid 100V
<<locked>>
83%
57261
90%
**78
100%
Hodgdon Retumbo
<<locked>>
97%
52750
83%
**37
100%
Hodgdon TrailBoss
<<locked>>
97%
36376
57%
**78
100%
IMR 4831
<<locked>>
84%
56985
89%
**94
100%
IMR 4955 Enduron
<<locked>>
88%
57319
90%
**01
98%
IMR 7828 SSC
<<locked>>
87%
57014
89%
**99
98%
[IMR 7977 Enduron]*
<<locked>>
93%
57232
90%
**48
92%
IMR 8133 Enduron
<<locked>>
97%
48849
77%
**41
97%
Lovex S071
<<locked>>
92%
57130
90%
**78
100%
Norma 217
<<locked>>
97%
49574
78%
**81
99%
Norma MRP
<<locked>>
86%
56884
89%
**89
100%
Ramshot Magnum
<<locked>>
88%
57305
90%
**53
100%
ReloadSwiss RS 14
<<locked>>
97%
37246
58%
**28
100%
ReloadSwiss RS 76 👍
<<locked>>
93%
57377
90%
**68
100%
ReloadSwiss RS 80
<<locked>>
95%
57319
90%
**09
98%
Rottweil R 904
<<locked>>
85%
57290
90%
**10
98%
Rottweil R 905
<<locked>>
86%
57319
90%
**50
99%
Somchem S361
<<locked>>
84%
57334
90%
**71
98%
Somchem S385
<<locked>>
85%
56855
89%
**94
100%
Vihtavuori N165
<<locked>>
91%
57421
90%
**01
100%
[Vihtavuori N170]*
<<locked>>
97%
54157
85%
**32
93%
Vihtavuori N555
<<locked>>
85%
57014
89%
**20
100%
Vihtavuori N560
<<locked>>
88%
57029
89%
**06
98%
Vihtavuori N565
<<locked>>
91%
57116
89%
**73
98%
Vihtavuori N568
<<locked>>
95%
57014
89%
**09
97%
Vihtavuori N570
<<locked>>
96%
57232
90%
**45
95%
Winchester StaBALL HD
<<locked>>
89%
57116
90%
**22
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49574
78%
**15
98%
ADI AR 2213
<<locked>>
81%
44860
70%
**36
95%
[ADI AR 2217]*
<<locked>>
81%
34316
54%
**38
91%
[ADI AR 2218]*
<<locked>>
93%
44309
69%
**56
90%
[ADI AR 2225]*
<<locked>>
81%
31952
50%
**15
93%
Accurate 3100
<<locked>>
81%
46847
73%
**84
99%
[Accurate MAGPRO]*
<<locked>>
81%
45426
71%
**36
93%
Alliant Reloder-19
<<locked>>
81%
49574
78%
**12
98%
Alliant Reloder-22
<<locked>>
81%
46079
72%
**53
97%
Alliant Reloder-23
<<locked>>
81%
44570
70%
**07
100%
Alliant Reloder-25
<<locked>>
81%
39059
61%
**28
99%
Alliant Reloder-26
<<locked>>
81%
50618
79%
**94
100%
[Alliant Reloder-33]*
<<locked>>
89%
42192
66%
**87
90%
[Alliant Reloder-50]*
<<locked>>
93%
43424
68%
**07
90%
[Hodgdon H1000]*
<<locked>>
81%
34316
54%
**38
91%
Hodgdon H4350
<<locked>>
81%
52750
83%
**15
99%
[Hodgdon H4831]*
<<locked>>
81%
42250
66%
**22
94%
Hodgdon H4831 SC
<<locked>>
81%
46891
73%
**23
95%
Hodgdon Hybrid 100V
<<locked>>
81%
53519
84%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
81%
31952
50%
**15
93%
Hodgdon TrailBoss
<<locked>>
81%
28950
45%
**98
100%
IMR 4831
<<locked>>
81%
51663
81%
**99
100%
IMR 4955 Enduron
<<locked>>
81%
45890
72%
**74
95%
IMR 7828 SSC
<<locked>>
81%
46615
73%
**82
96%
[IMR 7977 Enduron]*
<<locked>>
90%
51880
81%
**36
90%
[IMR 8133 Enduron]*
<<locked>>
84%
32663
51%
**31
90%
Lovex S071
<<locked>>
81%
40901
64%
**66
98%
[Norma 217]*
<<locked>>
81%
29878
47%
**66
91%
Norma MRP
<<locked>>
81%
48733
76%
**32
99%
Ramshot Magnum
<<locked>>
81%
44034
69%
**87
98%
ReloadSwiss RS 14
<<locked>>
81%
29805
47%
**44
100%
ReloadSwiss RS 76
<<locked>>
81%
37768
59%
**22
96%
[ReloadSwiss RS 80]*
<<locked>>
82%
36347
57%
**46
90%
Rottweil R 904
<<locked>>
81%
50488
79%
**86
97%
Rottweil R 905
<<locked>>
81%
49559
78%
**05
98%
Somchem S361
<<locked>>
81%
51764
81%
**73
97%
Somchem S385
<<locked>>
81%
50386
79%
**73
99%
Vihtavuori N165
<<locked>>
81%
42873
67%
**12
97%
[Vihtavuori N170]*
<<locked>>
91%
45890
72%
**64
90%
Vihtavuori N555
<<locked>>
81%
49864
78%
**05
100%
Vihtavuori N560
<<locked>>
81%
45992
72%
**69
95%
[Vihtavuori N565]*
<<locked>>
81%
41321
65%
**28
94%
[Vihtavuori N568]*
<<locked>>
82%
37086
58%
**63
90%
[Vihtavuori N570]*
<<locked>>
88%
43207
68%
**43
90%
Winchester StaBALL HD
<<locked>>
81%
43018
67%
**76
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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