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Load data for .30-378 Weath. Mag. + .308 | 150gr | Osprey Virtus

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, ReloadSwiss RS 76

.30-378 Weath. Mag. + .308 | 150gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 150gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.308-150
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.200" | 30.5mm
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:
0.513" | 13.0mm
Shank Seated Depth:
0.371" | 9.4mm
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_B10765_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 96 loads in caliber .30-378 Weath. Mag. with .308 | 150gr | Osprey Virtus bullet and 48 powders such as ADI AR 2213, Alliant Reloder-22, Alliant Reloder-25, Ramshot Magnum, 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>>
87%
56985
89%
**84
99%
ADI AR 2213 👍
<<locked>>
90%
57058
89%
**20
99%
ADI AR 2217
<<locked>>
97%
53679
84%
**48
99%
ADI AR 2225
<<locked>>
97%
48515
76%
**96
100%
Accurate 3100
<<locked>>
90%
56956
89%
**15
100%
Accurate MAGPRO
<<locked>>
90%
57217
90%
**27
98%
Alliant Reloder-19
<<locked>>
87%
56913
89%
**74
99%
Alliant Reloder-22 👍
<<locked>>
90%
57377
90%
**14
100%
Alliant Reloder-23
<<locked>>
91%
57116
89%
**45
100%
Alliant Reloder-25 👍
<<locked>>
95%
57392
90%
**27
100%
Alliant Reloder-26
<<locked>>
87%
57130
90%
**20
100%
Alliant Reloder-33
<<locked>>
97%
51605
81%
**41
95%
Hodgdon H1000
<<locked>>
97%
53679
84%
**48
99%
Hodgdon H4350
<<locked>>
85%
57174
90%
**35
100%
Hodgdon H4831
<<locked>>
92%
57043
89%
**55
98%
Hodgdon H4831 SC
<<locked>>
89%
57043
89%
**55
98%
Hodgdon Hybrid 100V
<<locked>>
85%
56956
89%
**02
100%
Hodgdon Retumbo
<<locked>>
97%
48515
76%
**96
100%
Hodgdon TrailBoss
<<locked>>
96%
35650
56%
**03
100%
IMR 4350
<<locked>>
84%
57421
90%
**32
100%
IMR 4831
<<locked>>
87%
56971
89%
**15
100%
IMR 4955 Enduron
<<locked>>
90%
56869
89%
**22
98%
IMR 7828 SSC
<<locked>>
89%
57203
90%
**33
99%
[IMR 7977 Enduron]*
<<locked>>
95%
57072
89%
**86
93%
IMR 8133 Enduron
<<locked>>
97%
43990
69%
**64
96%
Lovex S071
<<locked>>
95%
56956
89%
**15
100%
Norma 204
<<locked>>
83%
57290
90%
**71
99%
Norma 217
<<locked>>
97%
44918
70%
**04
99%
Norma MRP
<<locked>>
88%
57130
90%
**30
100%
Ramshot Hunter
<<locked>>
83%
57130
90%
**71
100%
Ramshot Magnum 👍
<<locked>>
90%
57058
89%
**78
100%
ReloadSwiss RS 14
<<locked>>
97%
36622
57%
**52
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
57130
90%
**86
100%
ReloadSwiss RS 80
<<locked>>
97%
57217
90%
**50
98%
Rottweil R 904
<<locked>>
87%
57276
90%
**38
99%
Rottweil R 905
<<locked>>
88%
57290
90%
**74
100%
Somchem S361
<<locked>>
86%
57058
89%
**99
98%
Somchem S365
<<locked>>
84%
57203
90%
**28
100%
Somchem S385
<<locked>>
87%
57392
90%
**45
100%
Vihtavuori N150
<<locked>>
83%
57014
89%
**40
100%
Vihtavuori N165
<<locked>>
92%
57014
89%
**22
100%
[Vihtavuori N170]*
<<locked>>
97%
49806
78%
**94
92%
Vihtavuori N555
<<locked>>
88%
57348
90%
**64
100%
Vihtavuori N560
<<locked>>
89%
56971
89%
**27
98%
Vihtavuori N565
<<locked>>
94%
57145
90%
**07
99%
Vihtavuori N568
<<locked>>
97%
56956
89%
**40
98%
Vihtavuori N570
<<locked>>
97%
55259
87%
**33
95%
Winchester StaBALL HD
<<locked>>
91%
57087
89%
**33
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46311
73%
**74
98%
ADI AR 2213
<<locked>>
81%
41437
65%
**95
95%
[ADI AR 2217]*
<<locked>>
82%
32010
50%
**13
90%
[ADI AR 2225]*
<<locked>>
81%
27673
43%
**05
90%
Accurate 3100
<<locked>>
81%
41655
65%
**27
99%
[Accurate MAGPRO]*
<<locked>>
81%
41133
64%
**82
92%
Alliant Reloder-19
<<locked>>
81%
46108
72%
**68
98%
Alliant Reloder-22
<<locked>>
81%
42032
66%
**92
96%
Alliant Reloder-23
<<locked>>
81%
40451
63%
**43
100%
Alliant Reloder-25
<<locked>>
81%
34998
55%
**41
98%
Alliant Reloder-26
<<locked>>
81%
46035
72%
**27
100%
[Alliant Reloder-33]*
<<locked>>
91%
40756
64%
**95
90%
[Hodgdon H1000]*
<<locked>>
82%
32010
50%
**13
90%
Hodgdon H4350
<<locked>>
81%
49574
78%
**91
99%
[Hodgdon H4831]*
<<locked>>
81%
38696
61%
**74
93%
Hodgdon H4831 SC
<<locked>>
81%
43410
68%
**89
95%
Hodgdon Hybrid 100V
<<locked>>
81%
49966
78%
**77
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27673
43%
**05
90%
Hodgdon TrailBoss
<<locked>>
81%
28514
45%
**32
100%
IMR 4350
<<locked>>
81%
52141
82%
**43
99%
IMR 4831
<<locked>>
81%
47355
74%
**51
100%
IMR 4955 Enduron
<<locked>>
81%
42670
67%
**36
95%
IMR 7828 SSC
<<locked>>
81%
42772
67%
**25
95%
[IMR 7977 Enduron]*
<<locked>>
90%
49211
77%
**25
90%
[IMR 8133 Enduron]*
<<locked>>
88%
31981
50%
**53
90%
Lovex S071
<<locked>>
81%
35708
56%
**76
97%
Norma 204
<<locked>>
81%
53214
83%
**89
99%
[Norma 217]*
<<locked>>
84%
27876
44%
**38
90%
Norma MRP
<<locked>>
81%
44512
70%
**71
98%
Ramshot Hunter
<<locked>>
81%
53113
83%
**92
100%
Ramshot Magnum
<<locked>>
81%
39813
62%
**33
97%
ReloadSwiss RS 14
<<locked>>
81%
29080
46%
**75
100%
ReloadSwiss RS 76
<<locked>>
81%
33359
52%
**35
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
34969
55%
**38
90%
Rottweil R 904
<<locked>>
81%
47297
74%
**51
97%
Rottweil R 905
<<locked>>
81%
45687
72%
**48
98%
Somchem S361
<<locked>>
81%
48167
75%
**38
97%
Somchem S365
<<locked>>
81%
51488
81%
**36
100%
Somchem S385
<<locked>>
81%
46050
72%
**25
98%
Vihtavuori N150
<<locked>>
81%
53040
83%
**81
100%
Vihtavuori N165
<<locked>>
81%
38899
61%
**54
96%
[Vihtavuori N170]*
<<locked>>
93%
43845
69%
**66
90%
Vihtavuori N555
<<locked>>
81%
44933
70%
**31
100%
[Vihtavuori N560]*
<<locked>>
81%
42105
66%
**12
94%
[Vihtavuori N565]*
<<locked>>
81%
36289
57%
**38
92%
[Vihtavuori N568]*
<<locked>>
85%
36376
57%
**71
90%
[Vihtavuori N570]*
<<locked>>
90%
41945
66%
**35
90%
Winchester StaBALL HD
<<locked>>
81%
38319
60%
**82
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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