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Load data for .30-378 Weath. Mag. + .308 | 125gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-22, Alliant Reloder-26, Norma MRP, ReloadSwiss RS 76, Winchester StaBALL HD

.30-378 Weath. Mag. + .308 | 125gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 125gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.308-125
Bullet Weight:
125gr | 8.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
1.040" | 26.4mm
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:
0.353" | 9.0mm
Shank Seated Depth:
0.313" | 8.0mm
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_B10760_C333
Last updated:
2025-01-01
Recommended Twist Rate:
1:15 - 1:13

Load data for 116 loads in caliber .30-378 Weath. Mag. with .308 | 125gr | Osprey Virtus bullet and 58 powders such as Alliant Reloder-22, Alliant Reloder-26, Norma MRP, 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>>
90%
57305
90%
**17
99%
ADI AR 2213
<<locked>>
93%
57392
90%
**40
98%
ADI AR 2217
<<locked>>
97%
47834
75%
**23
96%
ADI AR 2225
<<locked>>
97%
42989
67%
**64
97%
Accurate 3100
<<locked>>
93%
57145
90%
**28
100%
Accurate 4350
<<locked>>
85%
57203
90%
**81
100%
Accurate MAGPRO
<<locked>>
93%
57246
90%
**37
96%
Alliant Reloder-16
<<locked>>
86%
57435
90%
**27
100%
Alliant Reloder-19
<<locked>>
90%
56913
89%
**91
98%
Alliant Reloder-22 👍
<<locked>>
93%
57101
89%
**33
99%
Alliant Reloder-23
<<locked>>
94%
57319
90%
**91
100%
Alliant Reloder-25
<<locked>>
97%
54810
86%
**97
100%
Alliant Reloder-26 👍
<<locked>>
90%
57000
89%
**47
100%
Hodgdon H1000
<<locked>>
97%
47834
75%
**23
96%
Hodgdon H4350
<<locked>>
88%
57392
90%
**58
99%
Hodgdon H4831
<<locked>>
95%
57217
90%
**71
97%
Hodgdon H4831 SC
<<locked>>
92%
57217
90%
**71
97%
Hodgdon Hybrid 100V
<<locked>>
88%
57130
90%
**35
100%
Hodgdon LVR
<<locked>>
83%
57072
89%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
42989
67%
**64
97%
Hodgdon Superperformance
<<locked>>
83%
57159
90%
**10
99%
Hodgdon TrailBoss
<<locked>>
97%
35418
55%
**83
100%
IMR 4350
<<locked>>
87%
57305
90%
**51
99%
IMR 4831
<<locked>>
90%
57043
89%
**61
100%
IMR 4955 Enduron
<<locked>>
93%
57072
89%
**42
97%
IMR 7828 SSC
<<locked>>
92%
57203
90%
**43
98%
Lovex S065
<<locked>>
84%
57276
90%
**45
100%
Lovex S070
<<locked>>
86%
57392
90%
**58
100%
Lovex S071
<<locked>>
97%
54520
85%
**83
100%
Norma 204
<<locked>>
86%
57261
90%
**84
98%
Norma 217
<<locked>>
97%
38769
61%
**56
95%
Norma MRP 👍
<<locked>>
91%
57334
90%
**50
99%
Norma URP
<<locked>>
86%
57174
90%
**84
100%
Ramshot Hunter
<<locked>>
86%
57319
90%
**91
100%
Ramshot Magnum
<<locked>>
93%
57000
89%
**81
99%
ReloadSwiss RS 14
<<locked>>
96%
36013
56%
**29
100%
ReloadSwiss RS 62
<<locked>>
85%
57392
90%
**84
100%
ReloadSwiss RS 70
<<locked>>
85%
57246
90%
**47
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
55042
86%
**60
100%
ReloadSwiss RS 80
<<locked>>
97%
49821
78%
**06
95%
Rottweil R 904
<<locked>>
90%
57363
90%
**68
98%
Rottweil R 905
<<locked>>
91%
57348
90%
**91
99%
Rottweil R 907
<<locked>>
84%
57087
89%
**51
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
57421
90%
**92
99%
Shooters World Long Rifle
<<locked>>
84%
57276
90%
**45
100%
Somchem S361
<<locked>>
88%
57043
89%
**12
97%
Somchem S365
<<locked>>
87%
57116
90%
**74
100%
Somchem S385
<<locked>>
90%
57029
89%
**55
99%
Vihtavuori N150
<<locked>>
86%
57334
90%
**89
100%
Vihtavuori N160
<<locked>>
83%
57087
89%
**42
100%
Vihtavuori N165
<<locked>>
95%
57000
89%
**25
99%
Vihtavuori N550
<<locked>>
83%
57290
90%
**78
100%
Vihtavuori N555
<<locked>>
91%
57334
90%
**97
100%
Vihtavuori N560
<<locked>>
93%
57305
90%
**53
97%
Vihtavuori N565
<<locked>>
97%
56971
89%
**04
97%
[Vihtavuori N568]*
<<locked>>
97%
50575
79%
**06
94%
Winchester 6.5 StaBALL
<<locked>>
84%
56884
89%
**92
100%
Winchester StaBALL HD 👍
<<locked>>
95%
56898
89%
**73
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
41626
65%
**69
94%
[ADI AR 2213]*
<<locked>>
81%
37130
58%
**61
90%
[ADI AR 2217]*
<<locked>>
89%
36651
57%
**28
90%
[ADI AR 2225]*
<<locked>>
87%
30850
48%
**84
90%
Accurate 3100
<<locked>>
81%
37231
58%
**02
96%
Accurate 4350
<<locked>>
81%
50154
79%
**40
100%
[Accurate MAGPRO]*
<<locked>>
84%
41611
65%
**86
90%
Alliant Reloder-16
<<locked>>
81%
47964
75%
**60
100%
[Alliant Reloder-19]*
<<locked>>
81%
41727
65%
**73
94%
[Alliant Reloder-22]*
<<locked>>
81%
37289
58%
**74
92%
Alliant Reloder-23
<<locked>>
81%
35824
56%
**38
99%
[Alliant Reloder-25]*
<<locked>>
81%
30995
49%
**07
93%
Alliant Reloder-26
<<locked>>
81%
40234
63%
**05
98%
[Hodgdon H1000]*
<<locked>>
89%
36651
57%
**28
90%
Hodgdon H4350
<<locked>>
81%
45223
71%
**12
97%
[Hodgdon H4831]*
<<locked>>
83%
37927
59%
**38
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38957
61%
**68
91%
Hodgdon Hybrid 100V
<<locked>>
81%
45092
71%
**12
100%
Hodgdon LVR
<<locked>>
81%
52562
82%
**02
100%
[Hodgdon Retumbo]*
<<locked>>
87%
30850
48%
**84
90%
Hodgdon Superperformance
<<locked>>
81%
52620
82%
**28
99%
Hodgdon TrailBoss
<<locked>>
81%
28079
44%
**96
100%
IMR 4350
<<locked>>
81%
47572
75%
**64
98%
IMR 4831
<<locked>>
81%
42801
67%
**73
99%
[IMR 4955 Enduron]*
<<locked>>
81%
38885
61%
**38
91%
[IMR 7828 SSC]*
<<locked>>
81%
38058
60%
**07
91%
Lovex S065
<<locked>>
81%
50952
80%
**14
99%
Lovex S070
<<locked>>
81%
49516
78%
**97
98%
[Lovex S071]*
<<locked>>
81%
31531
49%
**35
93%
Norma 204
<<locked>>
81%
48066
75%
**07
96%
[Norma 217]*
<<locked>>
91%
31865
50%
**46
90%
Norma MRP
<<locked>>
81%
39407
62%
**59
95%
Norma URP
<<locked>>
81%
48892
77%
**20
100%
Ramshot Hunter
<<locked>>
81%
47935
75%
**20
99%
[Ramshot Magnum]*
<<locked>>
81%
34853
55%
**86
92%
ReloadSwiss RS 14
<<locked>>
81%
28703
45%
**46
100%
ReloadSwiss RS 62
<<locked>>
81%
50430
79%
**56
100%
ReloadSwiss RS 70
<<locked>>
81%
48820
76%
**89
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
31720
50%
**33
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
39508
62%
**53
90%
[Rottweil R 904]*
<<locked>>
81%
42975
67%
**56
94%
[Rottweil R 905]*
<<locked>>
81%
40930
64%
**50
94%
Rottweil R 907
<<locked>>
81%
52301
82%
**63
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
50183
79%
**61
99%
Shooters World Long Rifle
<<locked>>
81%
50952
80%
**14
99%
[Somchem S361]*
<<locked>>
81%
43903
69%
**36
93%
Somchem S365
<<locked>>
81%
45963
72%
**74
100%
Somchem S385
<<locked>>
81%
41379
65%
**30
96%
Vihtavuori N150
<<locked>>
81%
48617
76%
**45
100%
Vihtavuori N160
<<locked>>
81%
52576
82%
**63
100%
[Vihtavuori N165]*
<<locked>>
81%
34780
55%
**33
92%
Vihtavuori N550
<<locked>>
81%
53447
84%
**06
100%
Vihtavuori N555
<<locked>>
81%
40176
63%
**40
99%
[Vihtavuori N560]*
<<locked>>
82%
38130
60%
**00
90%
[Vihtavuori N565]*
<<locked>>
85%
37362
59%
**61
90%
[Vihtavuori N568]*
<<locked>>
91%
40901
64%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50285
79%
**71
100%
Winchester StaBALL HD
<<locked>>
81%
32184
50%
**18
98%

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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