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Load data for .30-378 Weath. Mag. + .308 | 185gr | Berger LRBTHP

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, ReloadSwiss RS 80

.30-378 Weath. Mag. + .308 | 185gr | Berger LRBTHP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 185gr | Berger LRBTHP
Manufacturer SKU:
30418
Bullet Weight:
185gr | 12.0g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.353" | 34.4mm
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:
0.666" | 16.9mm
Shank Seated Depth:
0.466" | 11.8mm
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_B1097_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 86 loads in caliber .30-378 Weath. Mag. with .308 | 185gr | Berger LRBTHP bullet and 43 powders such as ADI AR 2217, ADI AR 2225, Hodgdon H1000, Hodgdon Retumbo, ReloadSwiss RS 80. 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>>
85%
56985
89%
**58
100%
ADI AR 2217 👍
<<locked>>
94%
57276
90%
**48
100%
ADI AR 2218
<<locked>>
97%
55651
87%
**33
98%
ADI AR 2225 👍
<<locked>>
96%
56942
89%
**81
100%
Accurate 3100
<<locked>>
85%
57159
90%
**43
100%
[Accurate 8700]*
<<locked>>
97%
44411
70%
**15
94%
Accurate MAGPRO
<<locked>>
85%
57290
90%
**58
99%
Alliant Reloder-19
<<locked>>
83%
57203
90%
**12
100%
Alliant Reloder-22
<<locked>>
85%
57014
89%
**38
100%
Alliant Reloder-23
<<locked>>
86%
57101
89%
**72
100%
Alliant Reloder-25
<<locked>>
90%
57334
90%
**38
100%
Alliant Reloder-33
<<locked>>
95%
56942
89%
**00
98%
Alliant Reloder-50
<<locked>>
97%
53592
84%
**28
97%
Hodgdon H1000 👍
<<locked>>
94%
57276
90%
**48
100%
Hodgdon H4831
<<locked>>
88%
57043
89%
**05
100%
Hodgdon H4831 SC
<<locked>>
85%
57421
90%
**02
100%
Hodgdon Retumbo 👍
<<locked>>
96%
56942
89%
**81
100%
Hodgdon TrailBoss
<<locked>>
97%
36405
57%
**16
100%
IMR 4955 Enduron
<<locked>>
86%
57246
90%
**76
100%
IMR 7828 SSC
<<locked>>
84%
57348
90%
**61
100%
IMR 7977 Enduron
<<locked>>
91%
57014
89%
**46
95%
IMR 8133 Enduron
<<locked>>
97%
53708
84%
**22
100%
[Lovex D100]*
<<locked>>
94%
57232
90%
**76
94%
Lovex S071
<<locked>>
90%
57159
90%
**43
100%
Norma 217
<<locked>>
97%
55201
87%
**48
100%
Norma MRP
<<locked>>
83%
57145
90%
**51
100%
[Ramshot LRT]*
<<locked>>
97%
55216
87%
**58
93%
Ramshot Magnum
<<locked>>
85%
56782
89%
**02
100%
ReloadSwiss RS 14
<<locked>>
97%
37434
59%
**62
100%
ReloadSwiss RS 76
<<locked>>
89%
56913
89%
**97
100%
ReloadSwiss RS 80 👍
<<locked>>
92%
56985
89%
**77
99%
Rottweil R 905
<<locked>>
83%
57319
90%
**12
100%
SNPE Vectan SP 13
<<locked>>
97%
46615
73%
**35
95%
[Vihtavuori 20N29]*
<<locked>>
97%
44585
70%
**05
92%
[Vihtavuori 24N41]*
<<locked>>
97%
56101
88%
**22
93%
Vihtavuori N165
<<locked>>
88%
57217
90%
**63
100%
Vihtavuori N170
<<locked>>
96%
57130
90%
**89
97%
Vihtavuori N555
<<locked>>
83%
57276
90%
**72
100%
Vihtavuori N560
<<locked>>
85%
57261
90%
**71
100%
Vihtavuori N565
<<locked>>
89%
57087
89%
**45
100%
Vihtavuori N568
<<locked>>
92%
57087
89%
**87
99%
Vihtavuori N570
<<locked>>
93%
57029
89%
**14
98%
Winchester StaBALL HD
<<locked>>
86%
57276
90%
**54
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2213
<<locked>>
81%
48878
77%
**13
99%
ADI AR 2217
<<locked>>
81%
36390
57%
**31
96%
[ADI AR 2218]*
<<locked>>
85%
35955
56%
**77
90%
ADI AR 2225
<<locked>>
81%
33591
53%
**95
98%
Accurate 3100
<<locked>>
81%
49342
77%
**18
100%
[Accurate 8700]*
<<locked>>
91%
35940
56%
**15
90%
Accurate MAGPRO
<<locked>>
81%
48965
77%
**10
98%
Alliant Reloder-19
<<locked>>
81%
53330
84%
**46
100%
Alliant Reloder-22
<<locked>>
81%
49545
78%
**04
100%
Alliant Reloder-23
<<locked>>
81%
48254
76%
**35
100%
Alliant Reloder-25
<<locked>>
81%
42134
66%
**72
100%
[Alliant Reloder-33]*
<<locked>>
81%
34476
54%
**18
90%
[Alliant Reloder-50]*
<<locked>>
86%
35824
56%
**41
90%
Hodgdon H1000
<<locked>>
81%
36390
57%
**31
96%
Hodgdon H4831
<<locked>>
81%
45324
71%
**89
98%
Hodgdon H4831 SC
<<locked>>
81%
50531
79%
**90
99%
Hodgdon Retumbo
<<locked>>
81%
33591
53%
**95
98%
Hodgdon TrailBoss
<<locked>>
81%
29080
46%
**55
100%
IMR 4955 Enduron
<<locked>>
81%
48747
76%
**38
99%
IMR 7828 SSC
<<locked>>
81%
50633
79%
**46
99%
[IMR 7977 Enduron]*
<<locked>>
81%
41524
65%
**44
90%
[IMR 8133 Enduron]*
<<locked>>
81%
31212
49%
**16
93%
[Lovex D100]*
<<locked>>
88%
44991
70%
**53
90%
Lovex S071
<<locked>>
81%
42380
66%
**87
100%
Norma 217
<<locked>>
81%
31502
49%
**36
96%
Norma MRP
<<locked>>
81%
53084
83%
**89
100%
[Ramshot LRT]*
<<locked>>
92%
47123
74%
**97
90%
Ramshot Magnum
<<locked>>
81%
48080
75%
**61
100%
ReloadSwiss RS 14
<<locked>>
81%
29776
47%
**91
100%
ReloadSwiss RS 76
<<locked>>
81%
40872
64%
**18
100%
ReloadSwiss RS 80
<<locked>>
81%
37695
59%
**94
95%
Rottweil R 905
<<locked>>
81%
53200
83%
**46
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
36216
57%
**98
90%
[Vihtavuori 20N29]*
<<locked>>
94%
40596
64%
**20
90%
[Vihtavuori 24N41]*
<<locked>>
92%
46920
74%
**54
90%
Vihtavuori N165
<<locked>>
81%
45643
72%
**59
99%
[Vihtavuori N170]*
<<locked>>
83%
37086
58%
**85
90%
Vihtavuori N555
<<locked>>
81%
53301
84%
**20
100%
Vihtavuori N560
<<locked>>
81%
49806
78%
**36
99%
Vihtavuori N565
<<locked>>
81%
43772
69%
**85
98%
[Vihtavuori N568]*
<<locked>>
81%
38711
61%
**07
94%
[Vihtavuori N570]*
<<locked>>
81%
36985
58%
**87
91%
Winchester StaBALL HD
<<locked>>
81%
47805
75%
**00
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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