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Load data for .300 Norma Mag + .308 | 125gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 Norma 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:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
3.625" | 92.1mm
Seated Depth:
-0.095" | -2.4mm
Shank Seated Depth:
-0.134" | -3.4mm
Case Capacity:
104.0 Grains of Water | 6.75 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B10760_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:15 - 1:12

Load data for 158 loads in caliber .300 Norma Mag with .308 | 125gr | Osprey Virtus bullet and 79 powders such as Alliant Reloder-16, Hodgdon LVR, Norma URP, ReloadSwiss RS 62, ReloadSwiss RS 70. 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 2208
<<locked>>
86%
56985
89%
**19
100%
ADI AR 2209
<<locked>>
97%
57290
90%
**84
97%
[ADI AR 2213]*
<<locked>>
97%
51503
81%
**96
94%
Accurate 2700
<<locked>>
87%
57101
89%
**63
98%
Accurate 3100
<<locked>>
97%
50749
80%
**10
98%
Accurate 4064
<<locked>>
84%
57000
89%
**79
100%
Accurate 4350
<<locked>>
91%
56884
89%
**58
100%
Alliant Reloder- TS 15.5
<<locked>>
86%
57145
90%
**35
100%
Alliant Reloder-15
<<locked>>
84%
57246
90%
**51
100%
Alliant Reloder-16 👍
<<locked>>
93%
57072
89%
**20
100%
Alliant Reloder-17
<<locked>>
88%
56942
89%
**20
100%
Alliant Reloder-19
<<locked>>
97%
57072
89%
**74
97%
Alliant Reloder-22
<<locked>>
97%
50778
80%
**86
96%
Alliant Reloder-23
<<locked>>
97%
48109
75%
**40
100%
Alliant Reloder-25
<<locked>>
97%
41713
65%
**19
97%
Alliant Reloder-26
<<locked>>
97%
55898
88%
**50
100%
Hodgdon CFE223
<<locked>>
83%
57029
89%
**65
100%
Hodgdon H380
<<locked>>
85%
57058
89%
**42
100%
Hodgdon H414
<<locked>>
88%
57421
90%
**94
99%
Hodgdon H4350
<<locked>>
94%
57058
89%
**32
98%
[Hodgdon H4831]*
<<locked>>
97%
47688
75%
**55
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
54230
85%
**92
94%
Hodgdon Hybrid 100V
<<locked>>
95%
57232
90%
**28
100%
Hodgdon LVR 👍
<<locked>>
90%
57363
90%
**71
100%
Hodgdon Superperformance
<<locked>>
90%
57305
90%
**14
98%
Hodgdon VARGET
<<locked>>
86%
56985
89%
**19
100%
Hodgdon TrailBoss
<<locked>>
96%
34418
54%
**92
100%
IMR 4064
<<locked>>
87%
57145
90%
**15
100%
IMR 4166 Enduron
<<locked>>
87%
56797
89%
**99
98%
IMR 4350
<<locked>>
92%
56898
89%
**22
98%
IMR 4451 Enduron
<<locked>>
88%
57246
90%
**15
98%
IMR 4831
<<locked>>
96%
57101
89%
**55
100%
[IMR 4955 Enduron]*
<<locked>>
97%
53345
84%
**40
94%
IMR 7828 SSC
<<locked>>
97%
53026
83%
**42
95%
Lovex S062
<<locked>>
84%
56956
89%
**92
100%
Lovex S065
<<locked>>
90%
57203
90%
**15
99%
Lovex S070
<<locked>>
91%
57130
90%
**28
99%
Lovex S071
<<locked>>
97%
41858
66%
**14
96%
Norma 203B
<<locked>>
84%
57246
90%
**48
100%
Norma 204
<<locked>>
92%
57348
90%
**68
97%
Norma MRP
<<locked>>
97%
54128
85%
**91
98%
Norma URP 👍
<<locked>>
92%
57334
90%
**84
100%
Ramshot Big Game
<<locked>>
83%
56898
89%
**45
100%
Ramshot Hunter
<<locked>>
92%
57014
89%
**88
99%
Ramshot Magnum
<<locked>>
97%
49530
78%
**30
96%
ReloadSwiss RS 14
<<locked>>
97%
35302
55%
**47
100%
ReloadSwiss RS 50
<<locked>>
85%
56985
89%
**15
99%
ReloadSwiss RS 52
<<locked>>
84%
57043
89%
**45
100%
ReloadSwiss RS 60
<<locked>>
89%
56768
89%
**40
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
57348
90%
**81
100%
ReloadSwiss RS 70 👍
<<locked>>
92%
56739
89%
**33
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
40785
64%
**09
94%
Rottweil R 902
<<locked>>
83%
57174
90%
**83
100%
Rottweil R 903
<<locked>>
87%
57246
90%
**19
100%
Rottweil R 904
<<locked>>
96%
57232
90%
**35
96%
Rottweil R 905
<<locked>>
97%
56463
88%
**68
97%
Rottweil R 907
<<locked>>
89%
57000
89%
**12
98%
SNPE Vectan SP 11
<<locked>>
86%
57203
90%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
87%
57363
90%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57319
90%
**60
98%
Shooters World Long Rifle
<<locked>>
90%
57203
90%
**15
99%
Shooters World Precision
<<locked>>
84%
56956
89%
**92
100%
Somchem S355
<<locked>>
87%
57305
90%
**32
100%
Somchem S361
<<locked>>
95%
57130
90%
**73
95%
Somchem S365
<<locked>>
94%
56927
89%
**84
100%
Somchem S385
<<locked>>
97%
56652
89%
**32
98%
Vihtavuori N133
<<locked>>
83%
56985
89%
**91
100%
Vihtavuori N135
<<locked>>
88%
57043
89%
**33
100%
Vihtavuori N140
<<locked>>
83%
57188
90%
**56
100%
Vihtavuori N150
<<locked>>
92%
57334
90%
**73
100%
Vihtavuori N160
<<locked>>
89%
57014
89%
**35
100%
Vihtavuori N165
<<locked>>
97%
47543
74%
**25
95%
Vihtavuori N540
<<locked>>
83%
57058
89%
**79
100%
Vihtavuori N550
<<locked>>
89%
57276
90%
**68
100%
Vihtavuori N555
<<locked>>
97%
53693
84%
**35
100%
[Vihtavuori N560]*
<<locked>>
97%
51140
80%
**09
93%
Winchester 6.5 StaBALL
<<locked>>
91%
57188
90%
**96
100%
Winchester 760
<<locked>>
88%
57421
90%
**94
99%
Winchester StaBALL HD
<<locked>>
97%
43569
68%
**73
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
48660
76%
**64
99%
[ADI AR 2209]*
<<locked>>
84%
37333
58%
**41
90%
[ADI AR 2213]*
<<locked>>
91%
42308
66%
**76
90%
Accurate 2700
<<locked>>
81%
46934
74%
**59
96%
[Accurate 3100]*
<<locked>>
83%
30211
47%
**92
90%
Accurate 4064
<<locked>>
81%
51155
80%
**81
100%
Accurate 4350
<<locked>>
81%
39349
62%
**87
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
49284
77%
**94
100%
Alliant Reloder-15
<<locked>>
81%
52634
82%
**73
100%
Alliant Reloder-16
<<locked>>
81%
38334
60%
**14
97%
Alliant Reloder-17
<<locked>>
81%
44106
69%
**78
99%
[Alliant Reloder-19]*
<<locked>>
84%
37130
58%
**28
90%
[Alliant Reloder-22]*
<<locked>>
88%
37159
58%
**58
90%
[Alliant Reloder-23]*
<<locked>>
81%
27818
44%
**76
93%
[Alliant Reloder-25]*
<<locked>>
88%
30603
48%
**67
90%
[Alliant Reloder-26]*
<<locked>>
81%
30037
47%
**97
91%
Hodgdon CFE223
<<locked>>
81%
52431
82%
**89
100%
Hodgdon H380
<<locked>>
81%
50009
78%
**04
99%
Hodgdon H414
<<locked>>
81%
45353
71%
**41
96%
[Hodgdon H4350]*
<<locked>>
81%
37115
58%
**82
92%
[Hodgdon H4831]*
<<locked>>
94%
43134
68%
**46
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
43018
67%
**53
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35563
56%
**79
97%
Hodgdon LVR
<<locked>>
81%
42322
66%
**63
97%
[Hodgdon Superperformance]*
<<locked>>
81%
41104
64%
**56
94%
Hodgdon VARGET
<<locked>>
81%
48196
76%
**55
99%
Hodgdon TrailBoss
<<locked>>
81%
27543
43%
**14
100%
IMR 4064
<<locked>>
81%
47718
75%
**32
99%
IMR 4166 Enduron
<<locked>>
81%
46673
73%
**96
96%
[IMR 4350]*
<<locked>>
81%
38943
61%
**31
93%
IMR 4451 Enduron
<<locked>>
81%
45063
71%
**79
96%
IMR 4831
<<locked>>
81%
34055
53%
**36
95%
[IMR 4955 Enduron]*
<<locked>>
89%
41959
66%
**91
90%
[IMR 7828 SSC]*
<<locked>>
90%
41974
66%
**76
90%
Lovex S062
<<locked>>
81%
51256
80%
**91
100%
Lovex S065
<<locked>>
81%
42250
66%
**07
96%
[Lovex S070]*
<<locked>>
81%
40379
63%
**71
94%
[Lovex S071]*
<<locked>>
87%
30211
47%
**92
90%
Norma 203B
<<locked>>
81%
51880
81%
**53
100%
[Norma 204]*
<<locked>>
81%
38754
61%
**58
91%
[Norma MRP]*
<<locked>>
84%
33794
53%
**89
90%
Norma URP
<<locked>>
81%
38986
61%
**87
96%
Ramshot Big Game
<<locked>>
81%
52895
83%
**69
100%
[Ramshot Hunter]*
<<locked>>
81%
38232
60%
**77
94%
[Ramshot Magnum]*
<<locked>>
88%
35476
56%
**92
90%
ReloadSwiss RS 14
<<locked>>
81%
27920
44%
**60
100%
ReloadSwiss RS 50
<<locked>>
81%
50256
79%
**81
98%
ReloadSwiss RS 52
<<locked>>
81%
52417
82%
**69
100%
ReloadSwiss RS 60
<<locked>>
81%
42583
67%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
39349
62%
**04
96%
ReloadSwiss RS 70
<<locked>>
81%
38290
60%
**10
95%
[ReloadSwiss RS 76]*
<<locked>>
93%
35723
56%
**54
90%
Rottweil R 902
<<locked>>
81%
53142
83%
**23
100%
Rottweil R 903
<<locked>>
81%
46485
73%
**19
100%
[Rottweil R 904]*
<<locked>>
85%
40263
63%
**64
90%
[Rottweil R 905]*
<<locked>>
84%
36405
57%
**18
90%
Rottweil R 907
<<locked>>
81%
43337
68%
**33
95%
SNPE Vectan SP 11
<<locked>>
81%
48327
76%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47848
75%
**33
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41408
65%
**38
95%
Shooters World Long Rifle
<<locked>>
81%
42250
66%
**07
96%
Shooters World Precision
<<locked>>
81%
51256
80%
**91
100%
Somchem S355
<<locked>>
81%
46804
73%
**22
100%
[Somchem S361]*
<<locked>>
86%
42322
66%
**68
90%
Somchem S365
<<locked>>
81%
35447
56%
**38
99%
[Somchem S385]*
<<locked>>
82%
33953
53%
**17
90%
Vihtavuori N133
<<locked>>
81%
53461
84%
**38
100%
Vihtavuori N135
<<locked>>
81%
45237
71%
**40
100%
Vihtavuori N140
<<locked>>
81%
53127
83%
**84
100%
Vihtavuori N150
<<locked>>
81%
39943
63%
**35
99%
Vihtavuori N160
<<locked>>
81%
42569
67%
**46
98%
[Vihtavuori N165]*
<<locked>>
88%
34911
55%
**23
90%
Vihtavuori N540
<<locked>>
81%
53069
83%
**04
100%
Vihtavuori N550
<<locked>>
81%
43091
68%
**89
98%
[Vihtavuori N555]*
<<locked>>
81%
30734
48%
**81
94%
[Vihtavuori N560]*
<<locked>>
92%
42395
66%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
40161
63%
**61
99%
Winchester 760
<<locked>>
81%
45353
71%
**41
96%
[Winchester StaBALL HD]*
<<locked>>
82%
25425
40%
**33
90%

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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