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Load data for .30-378 Weath. Mag. + .308 | 148gr | Hasler ARIETE

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

.30-378 Weath. Mag. + .308 | 148gr | Hasler ARIETE

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 148gr | Hasler ARIETE
Manufacturer SKU:
A30-148
Bullet Weight:
148gr | 9.6g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.272" | 32.3mm
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:
0.585" | 14.9mm
Shank Seated Depth:
0.372" | 9.5mm
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_B7071_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 108 loads in caliber .30-378 Weath. Mag. with .308 | 148gr | Hasler ARIETE bullet and 54 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>>
88%
57145
90%
**10
99%
ADI AR 2213
<<locked>>
91%
56855
89%
**33
99%
ADI AR 2217
<<locked>>
97%
51372
81%
**25
98%
ADI AR 2225
<<locked>>
97%
45847
72%
**46
99%
Accurate 3100
<<locked>>
91%
57174
90%
**38
100%
Accurate 4350
<<locked>>
83%
57159
90%
**55
100%
Accurate MAGPRO
<<locked>>
91%
57363
90%
**43
97%
Alliant Reloder-16
<<locked>>
84%
57246
90%
**14
100%
Alliant Reloder-19
<<locked>>
89%
57435
90%
**04
99%
Alliant Reloder-22 👍
<<locked>>
91%
56927
89%
**23
99%
Alliant Reloder-23
<<locked>>
92%
56884
89%
**68
100%
Alliant Reloder-25 👍
<<locked>>
96%
57232
90%
**33
100%
Alliant Reloder-26
<<locked>>
88%
57116
90%
**43
100%
[Alliant Reloder-33]*
<<locked>>
97%
48428
76%
**92
93%
Hodgdon H1000
<<locked>>
97%
51372
81%
**25
98%
Hodgdon H4350
<<locked>>
87%
57334
90%
**58
100%
Hodgdon H4831
<<locked>>
94%
57130
90%
**78
98%
Hodgdon H4831 SC
<<locked>>
90%
56869
89%
**84
98%
Hodgdon Hybrid 100V
<<locked>>
86%
56913
89%
**12
100%
Hodgdon Retumbo
<<locked>>
97%
45847
72%
**46
99%
Hodgdon TrailBoss
<<locked>>
96%
35447
56%
**13
100%
IMR 4350
<<locked>>
85%
57130
90%
**51
100%
IMR 4831
<<locked>>
88%
57421
90%
**48
100%
IMR 4955 Enduron
<<locked>>
91%
57159
90%
**48
98%
IMR 7828 SSC
<<locked>>
90%
57305
90%
**46
99%
[IMR 7977 Enduron]*
<<locked>>
96%
57145
90%
**99
92%
IMR 8133 Enduron
<<locked>>
97%
41568
65%
**25
95%
Lovex S070
<<locked>>
84%
57290
90%
**51
100%
Lovex S071
<<locked>>
97%
57174
90%
**38
100%
Norma 204
<<locked>>
84%
57130
90%
**81
99%
Norma 217
<<locked>>
97%
41989
66%
**54
98%
Norma MRP
<<locked>>
89%
57406
90%
**43
100%
Norma URP
<<locked>>
84%
57246
90%
**74
100%
Ramshot Hunter
<<locked>>
84%
57276
90%
**87
100%
Ramshot Magnum 👍
<<locked>>
91%
57290
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
96%
36143
57%
**56
100%
ReloadSwiss RS 70
<<locked>>
83%
57276
90%
**23
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
56985
89%
**02
100%
ReloadSwiss RS 80
<<locked>>
97%
53737
84%
**04
97%
Rottweil R 904
<<locked>>
88%
56884
89%
**55
99%
Rottweil R 905
<<locked>>
89%
56971
89%
**87
99%
SNPE Vectan Tubal 7000
<<locked>>
83%
57029
89%
**86
100%
Somchem S361
<<locked>>
87%
57058
89%
**19
98%
Somchem S365
<<locked>>
85%
57392
90%
**55
100%
Somchem S385
<<locked>>
89%
56913
89%
**55
100%
Vihtavuori N150
<<locked>>
84%
57072
89%
**66
100%
Vihtavuori N165
<<locked>>
94%
57232
90%
**41
100%
Vihtavuori N555
<<locked>>
89%
56840
89%
**68
100%
Vihtavuori N560
<<locked>>
91%
57421
90%
**56
98%
Vihtavuori N565
<<locked>>
95%
57305
90%
**20
99%
Vihtavuori N568
<<locked>>
97%
54491
85%
**07
97%
[Vihtavuori N570]*
<<locked>>
97%
51851
81%
**84
94%
Winchester 6.5 StaBALL
<<locked>>
83%
57130
90%
**82
100%
Winchester StaBALL HD 👍
<<locked>>
92%
56971
89%
**50
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44324
69%
**54
97%
[ADI AR 2213]*
<<locked>>
81%
39378
62%
**53
94%
[ADI AR 2217]*
<<locked>>
84%
32329
51%
**49
90%
[ADI AR 2225]*
<<locked>>
83%
27760
44%
**28
90%
Accurate 3100
<<locked>>
81%
39160
61%
**77
98%
Accurate 4350
<<locked>>
81%
52823
83%
**86
100%
[Accurate MAGPRO]*
<<locked>>
81%
38841
61%
**30
91%
Alliant Reloder-16
<<locked>>
81%
50923
80%
**05
100%
Alliant Reloder-19
<<locked>>
81%
44179
69%
**45
97%
Alliant Reloder-22
<<locked>>
81%
39726
62%
**59
96%
Alliant Reloder-23
<<locked>>
81%
38334
60%
**13
100%
Alliant Reloder-25
<<locked>>
81%
32924
52%
**05
96%
Alliant Reloder-26
<<locked>>
81%
43265
68%
**74
100%
[Alliant Reloder-33]*
<<locked>>
93%
41118
64%
**28
90%
[Hodgdon H1000]*
<<locked>>
84%
32329
51%
**49
90%
Hodgdon H4350
<<locked>>
81%
47703
75%
**77
99%
[Hodgdon H4831]*
<<locked>>
81%
36854
58%
**41
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
41263
65%
**49
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47834
75%
**64
100%
[Hodgdon Retumbo]*
<<locked>>
83%
27760
44%
**28
90%
Hodgdon TrailBoss
<<locked>>
81%
28282
44%
**36
100%
IMR 4350
<<locked>>
81%
50241
79%
**17
99%
IMR 4831
<<locked>>
81%
45223
71%
**28
100%
[IMR 4955 Enduron]*
<<locked>>
81%
40959
64%
**17
94%
[IMR 7828 SSC]*
<<locked>>
81%
40625
64%
**05
94%
[IMR 7977 Enduron]*
<<locked>>
92%
50038
78%
**71
90%
[IMR 8133 Enduron]*
<<locked>>
90%
32140
50%
**79
90%
Lovex S070
<<locked>>
81%
51822
81%
**56
100%
Lovex S071
<<locked>>
81%
33286
52%
**26
96%
Norma 204
<<locked>>
81%
50894
80%
**63
98%
[Norma 217]*
<<locked>>
87%
28732
45%
**84
90%
Norma MRP
<<locked>>
81%
42264
66%
**38
98%
Norma URP
<<locked>>
81%
51648
81%
**82
100%
Ramshot Hunter
<<locked>>
81%
50778
80%
**69
100%
Ramshot Magnum
<<locked>>
81%
37275
58%
**90
96%
ReloadSwiss RS 14
<<locked>>
81%
28906
45%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
52359
82%
**48
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31241
49%
**76
93%
[ReloadSwiss RS 80]*
<<locked>>
87%
35447
56%
**71
90%
Rottweil R 904
<<locked>>
81%
45382
71%
**31
96%
Rottweil R 905
<<locked>>
81%
43366
68%
**22
97%
SNPE Vectan Tubal 7000
<<locked>>
81%
52562
82%
**10
100%
Somchem S361
<<locked>>
81%
46325
73%
**09
96%
Somchem S365
<<locked>>
81%
49110
77%
**17
100%
Somchem S385
<<locked>>
81%
43714
68%
**99
98%
Vihtavuori N150
<<locked>>
81%
51053
80%
**74
100%
Vihtavuori N165
<<locked>>
81%
36782
58%
**25
95%
Vihtavuori N555
<<locked>>
81%
42467
67%
**95
100%
[Vihtavuori N560]*
<<locked>>
81%
40001
63%
**76
93%
[Vihtavuori N565]*
<<locked>>
81%
34026
53%
**95
91%
[Vihtavuori N568]*
<<locked>>
87%
36738
58%
**97
90%
[Vihtavuori N570]*
<<locked>>
92%
42308
66%
**64
90%
Winchester 6.5 StaBALL
<<locked>>
81%
53084
83%
**20
100%
Winchester StaBALL HD
<<locked>>
81%
35462
56%
**30
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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