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Load data for .30-378 Weath. Mag. + .308 | 180gr | Speer TBBC

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217

.30-378 Weath. Mag. + .308 | 180gr | Speer TBBC

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | Speer TBBC
Manufacturer SKU:
1765
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.267" | 32.2mm
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:
0.580" | 14.7mm
Shank Seated Depth:
0.580" | 14.7mm
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_B6172_C333
Last updated:
2025-01-01

Load data for 86 loads in caliber .30-378 Weath. Mag. with .308 | 180gr | Speer TBBC bullet and 43 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, Norma 217. 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 2213
<<locked>>
86%
57116
89%
**87
100%
ADI AR 2217 👍
<<locked>>
94%
57261
90%
**87
100%
ADI AR 2218
<<locked>>
97%
55550
87%
**63
98%
ADI AR 2225 👍
<<locked>>
96%
57174
90%
**17
100%
Accurate 3100
<<locked>>
85%
57246
90%
**82
100%
[Accurate 8700]*
<<locked>>
97%
44382
70%
**35
94%
Accurate MAGPRO
<<locked>>
85%
57072
89%
**84
99%
Alliant Reloder-19
<<locked>>
83%
57305
90%
**51
100%
Alliant Reloder-22
<<locked>>
85%
57159
90%
**71
100%
Alliant Reloder-23
<<locked>>
86%
57276
90%
**09
100%
Alliant Reloder-25
<<locked>>
90%
57101
89%
**71
100%
Alliant Reloder-33
<<locked>>
95%
57101
89%
**30
98%
Alliant Reloder-50
<<locked>>
97%
53737
84%
**58
97%
Hodgdon H1000 👍
<<locked>>
94%
57261
90%
**87
100%
Hodgdon H4831
<<locked>>
88%
57217
90%
**35
99%
Hodgdon H4831 SC
<<locked>>
85%
57116
89%
**41
100%
Hodgdon Retumbo 👍
<<locked>>
96%
57174
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
36230
57%
**36
100%
IMR 4955 Enduron
<<locked>>
86%
57130
90%
**09
100%
IMR 7828 SSC
<<locked>>
84%
57319
90%
**97
100%
IMR 7977 Enduron
<<locked>>
91%
57145
90%
**72
95%
IMR 8133 Enduron
<<locked>>
97%
53780
84%
**51
100%
[Lovex D100]*
<<locked>>
94%
56855
89%
**95
94%
Lovex S071
<<locked>>
90%
57246
90%
**82
100%
Norma 217 👍
<<locked>>
97%
54955
86%
**64
100%
Norma MRP
<<locked>>
83%
57261
90%
**84
100%
[Ramshot LRT]*
<<locked>>
97%
55245
87%
**81
93%
Ramshot Magnum
<<locked>>
85%
56782
89%
**41
100%
ReloadSwiss RS 14
<<locked>>
97%
37507
59%
**88
100%
ReloadSwiss RS 76
<<locked>>
90%
57159
90%
**36
100%
ReloadSwiss RS 80
<<locked>>
92%
57217
90%
**14
99%
Rottweil R 905
<<locked>>
83%
56927
89%
**35
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
46543
73%
**61
94%
Somchem S385
<<locked>>
83%
57232
90%
**05
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55811
87%
**41
93%
Vihtavuori N165
<<locked>>
88%
57363
90%
**92
100%
Vihtavuori N170
<<locked>>
96%
57406
90%
**31
97%
Vihtavuori N555
<<locked>>
83%
56884
89%
**99
100%
Vihtavuori N560
<<locked>>
85%
57116
90%
**07
100%
Vihtavuori N565
<<locked>>
89%
56869
89%
**74
100%
Vihtavuori N568
<<locked>>
92%
57377
90%
**10
99%
Vihtavuori N570
<<locked>>
93%
57276
90%
**50
98%
Winchester StaBALL HD
<<locked>>
86%
57159
90%
**77
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48617
76%
**36
99%
ADI AR 2217
<<locked>>
81%
36318
57%
**57
96%
[ADI AR 2218]*
<<locked>>
86%
37115
58%
**33
90%
ADI AR 2225
<<locked>>
81%
33576
53%
**31
98%
Accurate 3100
<<locked>>
81%
49516
78%
**61
100%
[Accurate 8700]*
<<locked>>
91%
36419
57%
**54
90%
Accurate MAGPRO
<<locked>>
81%
48863
77%
**40
97%
Alliant Reloder-19
<<locked>>
81%
53243
83%
**82
100%
Alliant Reloder-22
<<locked>>
81%
49414
77%
**33
100%
Alliant Reloder-23
<<locked>>
81%
48153
75%
**67
100%
Alliant Reloder-25
<<locked>>
81%
42206
66%
**15
100%
[Alliant Reloder-33]*
<<locked>>
82%
35317
55%
**57
90%
[Alliant Reloder-50]*
<<locked>>
87%
36898
58%
**90
90%
Hodgdon H1000
<<locked>>
81%
36318
57%
**57
96%
Hodgdon H4831
<<locked>>
81%
45179
71%
**18
98%
Hodgdon H4831 SC
<<locked>>
81%
50198
79%
**13
99%
Hodgdon Retumbo
<<locked>>
81%
33576
53%
**31
98%
Hodgdon TrailBoss
<<locked>>
81%
29022
45%
**78
100%
IMR 4955 Enduron
<<locked>>
81%
48820
76%
**64
98%
IMR 7828 SSC
<<locked>>
81%
50676
79%
**82
99%
[IMR 7977 Enduron]*
<<locked>>
82%
42163
66%
**90
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31111
49%
**43
93%
[Lovex D100]*
<<locked>>
88%
46166
72%
**99
90%
Lovex S071
<<locked>>
81%
42612
67%
**20
100%
Norma 217
<<locked>>
81%
31473
49%
**62
96%
Norma MRP
<<locked>>
81%
52750
83%
**12
100%
[Ramshot LRT]*
<<locked>>
93%
47892
75%
**43
90%
Ramshot Magnum
<<locked>>
81%
47805
75%
**81
100%
ReloadSwiss RS 14
<<locked>>
81%
29849
47%
**18
100%
ReloadSwiss RS 76
<<locked>>
81%
40915
64%
**41
100%
[ReloadSwiss RS 80]*
<<locked>>
81%
37637
59%
**13
94%
Rottweil R 905
<<locked>>
81%
52982
83%
**76
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
36825
58%
**38
90%
Somchem S385
<<locked>>
81%
53330
84%
**49
100%
[Vihtavuori 24N41]*
<<locked>>
93%
48501
76%
**07
90%
Vihtavuori N165
<<locked>>
81%
45368
71%
**82
99%
[Vihtavuori N170]*
<<locked>>
83%
37768
59%
**28
90%
Vihtavuori N555
<<locked>>
81%
52968
83%
**46
100%
Vihtavuori N560
<<locked>>
81%
49763
78%
**72
99%
Vihtavuori N565
<<locked>>
81%
43845
69%
**25
98%
[Vihtavuori N568]*
<<locked>>
81%
38711
61%
**43
94%
[Vihtavuori N570]*
<<locked>>
81%
36970
58%
**23
91%
Winchester StaBALL HD
<<locked>>
81%
47819
75%
**40
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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