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Load data for .30-378 Weath. Mag. + .308 | 180gr | MAKER Expanding Subsonic

Recommended Powder(s): ADI AR 2217, ADI AR 2225, Bofors RP30, Hodgdon H1000, Hodgdon Retumbo

.30-378 Weath. Mag. + .308 | 180gr | MAKER Expanding Subsonic

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 180gr | MAKER Expanding Subsonic
Manufacturer SKU:
308-180G-EXP
Bullet Weight:
180gr | 11.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.30-378 Weath. Mag. load data
Case Length (l3):
2.913" | 74.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B12325_C333
Last updated:
2026-04-03

Load data for 98 loads in caliber .30-378 Weath. Mag. with .308 | 180gr | MAKER Expanding Subsonic bullet and 49 powders such as ADI AR 2217, ADI AR 2225, Bofors RP30, Hodgdon H1000, Hodgdon Retumbo. 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>>
83%
57232
90%
**48
100%
ADI AR 2213
<<locked>>
86%
57406
90%
**94
100%
ADI AR 2217 👍
<<locked>>
94%
56855
89%
**81
100%
ADI AR 2218
<<locked>>
97%
55201
86%
**56
98%
ADI AR 2225 👍
<<locked>>
97%
57392
90%
**20
100%
Accurate 3100
<<locked>>
86%
57188
90%
**79
100%
[Accurate 8700]*
<<locked>>
97%
43961
69%
**35
94%
Accurate MAGPRO
<<locked>>
86%
57334
90%
**91
99%
Alliant Reloder-19
<<locked>>
83%
57246
90%
**45
100%
Alliant Reloder-22
<<locked>>
85%
56840
89%
**68
100%
Alliant Reloder-23
<<locked>>
87%
57217
90%
**02
100%
Alliant Reloder-25
<<locked>>
90%
57014
89%
**64
100%
Alliant Reloder-33
<<locked>>
95%
57261
90%
**33
98%
Alliant Reloder-50
<<locked>>
97%
53345
84%
**48
97%
Baschieri & Pellagri 109
<<locked>>
88%
57406
90%
**41
98%
Bofors RP15
<<locked>>
88%
56855
89%
**68
100%
Bofors RP30 👍
<<locked>>
92%
57101
89%
**84
100%
Bofors RP5
<<locked>>
85%
56840
89%
**68
100%
Hodgdon H1000 👍
<<locked>>
94%
56855
89%
**81
100%
Hodgdon H4831
<<locked>>
88%
57043
89%
**35
99%
Hodgdon H4831 SC
<<locked>>
85%
57392
90%
**35
99%
Hodgdon Retumbo 👍
<<locked>>
97%
57392
90%
**20
100%
Hodgdon TrailBoss
<<locked>>
97%
36274
57%
**39
100%
IMR 4955 Enduron
<<locked>>
86%
57305
90%
**09
100%
IMR 7828 SSC
<<locked>>
85%
57261
90%
**87
100%
IMR 7977 Enduron
<<locked>>
91%
57377
90%
**79
95%
IMR 8133 Enduron
<<locked>>
97%
53113
83%
**45
100%
[Lovex D100]*
<<locked>>
95%
57377
90%
**12
94%
Lovex S071
<<locked>>
91%
57188
90%
**79
100%
Norma 217
<<locked>>
97%
54404
85%
**61
100%
Norma MRP
<<locked>>
83%
56927
89%
**81
100%
[Ramshot LRT]*
<<locked>>
97%
55027
86%
**77
93%
Ramshot Magnum
<<locked>>
86%
57043
89%
**48
100%
ReloadSwiss RS 14
<<locked>>
97%
37347
59%
**85
100%
ReloadSwiss RS 76
<<locked>>
90%
57000
89%
**40
100%
ReloadSwiss RS 80
<<locked>>
92%
57392
90%
**17
99%
Rottweil R 905
<<locked>>
84%
57261
90%
**45
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
45774
72%
**48
94%
[Shooters World 50 BMG]*
<<locked>>
95%
57377
90%
**12
94%
Somchem S385
<<locked>>
83%
56927
89%
**05
100%
[Vihtavuori 24N41]*
<<locked>>
97%
55332
87%
**31
92%
Vihtavuori N165
<<locked>>
88%
57145
90%
**92
100%
Vihtavuori N170
<<locked>>
96%
56985
89%
**25
97%
Vihtavuori N555
<<locked>>
84%
57246
90%
**09
100%
Vihtavuori N560
<<locked>>
85%
57159
90%
**00
100%
Vihtavuori N565
<<locked>>
89%
57377
90%
**77
100%
Vihtavuori N568
<<locked>>
92%
57334
90%
**17
99%
Vihtavuori N570
<<locked>>
93%
56811
89%
**36
98%
Winchester StaBALL HD
<<locked>>
86%
57188
90%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
53171
83%
**79
100%
ADI AR 2213
<<locked>>
81%
48370
76%
**33
99%
ADI AR 2217
<<locked>>
81%
36027
56%
**51
96%
[ADI AR 2218]*
<<locked>>
86%
36724
58%
**20
90%
ADI AR 2225
<<locked>>
81%
33301
52%
**25
98%
Accurate 3100
<<locked>>
81%
48863
77%
**41
100%
[Accurate 8700]*
<<locked>>
92%
36361
57%
**54
90%
Accurate MAGPRO
<<locked>>
81%
48689
76%
**40
97%
Alliant Reloder-19
<<locked>>
81%
52866
83%
**72
100%
Alliant Reloder-22
<<locked>>
81%
49037
77%
**27
99%
Alliant Reloder-23
<<locked>>
81%
47688
75%
**54
100%
Alliant Reloder-25
<<locked>>
81%
41669
65%
**95
100%
[Alliant Reloder-33]*
<<locked>>
82%
34954
55%
**61
90%
[Alliant Reloder-50]*
<<locked>>
87%
36796
58%
**90
90%
Baschieri & Pellagri 109
<<locked>>
81%
46064
72%
**38
96%
Bofors RP15
<<locked>>
81%
45687
72%
**61
99%
Bofors RP30
<<locked>>
81%
38972
61%
**30
97%
Bofors RP5
<<locked>>
81%
49037
77%
**27
99%
Hodgdon H1000
<<locked>>
81%
36027
56%
**51
96%
Hodgdon H4831
<<locked>>
81%
44962
70%
**15
97%
Hodgdon H4831 SC
<<locked>>
81%
50053
78%
**13
99%
Hodgdon Retumbo
<<locked>>
81%
33301
52%
**25
98%
Hodgdon TrailBoss
<<locked>>
81%
29037
45%
**78
100%
IMR 4955 Enduron
<<locked>>
81%
48399
76%
**51
98%
IMR 7828 SSC
<<locked>>
81%
50169
79%
**69
99%
[IMR 7977 Enduron]*
<<locked>>
82%
41930
66%
**87
90%
[IMR 8133 Enduron]*
<<locked>>
81%
30647
48%
**20
92%
[Lovex D100]*
<<locked>>
88%
45701
72%
**95
90%
Lovex S071
<<locked>>
81%
42061
66%
**17
100%
Norma 217
<<locked>>
81%
31096
49%
**56
95%
Norma MRP
<<locked>>
81%
52446
82%
**09
100%
[Ramshot LRT]*
<<locked>>
93%
48022
75%
**46
90%
Ramshot Magnum
<<locked>>
81%
47471
74%
**77
100%
ReloadSwiss RS 14
<<locked>>
81%
29718
47%
**18
100%
ReloadSwiss RS 76
<<locked>>
81%
40437
63%
**35
100%
[ReloadSwiss RS 80]*
<<locked>>
81%
37275
58%
**17
94%
Rottweil R 905
<<locked>>
81%
52721
83%
**72
100%
[SNPE Vectan SP 13]*
<<locked>>
90%
36724
58%
**41
90%
[Shooters World 50 BMG]*
<<locked>>
88%
45701
72%
**95
90%
Somchem S385
<<locked>>
81%
53171
83%
**36
100%
[Vihtavuori 24N41]*
<<locked>>
93%
48646
76%
**10
90%
Vihtavuori N165
<<locked>>
81%
45237
71%
**82
99%
[Vihtavuori N170]*
<<locked>>
84%
37826
59%
**35
90%
Vihtavuori N555
<<locked>>
81%
52837
83%
**49
100%
Vihtavuori N560
<<locked>>
81%
49269
77%
**59
98%
Vihtavuori N565
<<locked>>
81%
43265
68%
**05
97%
[Vihtavuori N568]*
<<locked>>
81%
38159
60%
**33
94%
[Vihtavuori N570]*
<<locked>>
81%
36622
57%
**13
90%
Winchester StaBALL HD
<<locked>>
81%
47355
74%
**33
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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