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Load data for .300 Norma Mag + .308 | 140gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-26, Norma URP, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555

.300 Norma Mag + .308 | 140gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.308 | 140gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.308-140
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.308" | 7.82mm
Bullet Length:
<<locked>>
Caliber:
.300 Norma Mag load data
Case Length (l3):
2.490" | 63.2mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B10763_C365
Last updated:
2025-01-01
Recommended Twist Rate:
1:14 - 1:11

Load data for 0 loads in caliber .300 Norma Mag with .308 | 140gr | Osprey Virtus bullet and 0 powders such as Alliant Reloder-26, Norma URP, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555. 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".

  • No data yet

  • 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 2208
<<locked>>
84%
57174
90%
**71
100%
ADI AR 2209
<<locked>>
95%
57246
90%
**50
98%
ADI AR 2213
<<locked>>
97%
55419
87%
**37
96%
[ADI AR 2225]*
<<locked>>
97%
35244
55%
**07
93%
Accurate 2700
<<locked>>
85%
57319
90%
**25
99%
Accurate 3100
<<locked>>
97%
54375
85%
**32
99%
Accurate 4350
<<locked>>
89%
57000
89%
**17
100%
[Accurate MAGPRO]*
<<locked>>
97%
54012
85%
**27
94%
Alliant Reloder- TS 15.5
<<locked>>
84%
57406
90%
**74
100%
Alliant Reloder-16
<<locked>>
91%
57232
90%
**76
100%
Alliant Reloder-17
<<locked>>
86%
57421
90%
**63
100%
Alliant Reloder-19
<<locked>>
95%
57421
90%
**37
98%
Alliant Reloder-22
<<locked>>
97%
54882
86%
**40
98%
Alliant Reloder-23
<<locked>>
97%
51692
81%
**64
100%
Alliant Reloder-25
<<locked>>
97%
44889
70%
**73
99%
Alliant Reloder-26 👍
<<locked>>
95%
57246
90%
**25
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
54462
85%
**25
93%
Bofors RP15
<<locked>>
97%
50401
79%
**48
97%
Bofors RP3
<<locked>>
83%
57116
89%
**74
100%
[Bofors RP30]*
<<locked>>
97%
40640
64%
**51
92%
Bofors RP5
<<locked>>
97%
54882
86%
**40
98%
Bofors RP7
<<locked>>
88%
56927
89%
**71
99%
Hodgdon H380
<<locked>>
83%
57174
90%
**87
100%
Hodgdon H414
<<locked>>
86%
57116
89%
**33
99%
Hodgdon H4350
<<locked>>
92%
57116
90%
**81
99%
Hodgdon H4831
<<locked>>
97%
50937
80%
**89
95%
Hodgdon H4831 SC
<<locked>>
96%
56884
89%
**01
96%
Hodgdon Hybrid 100V
<<locked>>
93%
57116
90%
**84
100%
Hodgdon LVR
<<locked>>
88%
57392
90%
**23
100%
[Hodgdon Retumbo]*
<<locked>>
97%
35244
55%
**07
93%
Hodgdon Superperformance
<<locked>>
88%
56956
89%
**53
99%
Hodgdon VARGET
<<locked>>
85%
57174
90%
**71
100%
Hodgdon TrailBoss
<<locked>>
96%
34867
55%
**80
100%
IMR 4064
<<locked>>
85%
57087
89%
**51
100%
IMR 4166 Enduron
<<locked>>
86%
56884
89%
**55
99%
IMR 4350
<<locked>>
91%
57203
90%
**84
99%
IMR 4451 Enduron
<<locked>>
87%
57276
90%
**74
99%
IMR 4831
<<locked>>
94%
56971
89%
**97
100%
IMR 4955 Enduron
<<locked>>
97%
56492
89%
**61
96%
IMR 7828 SSC
<<locked>>
97%
57334
90%
**86
97%
Lovex S065
<<locked>>
89%
56855
89%
**58
100%
Lovex S070
<<locked>>
90%
57377
90%
**94
99%
Lovex S071
<<locked>>
97%
45020
71%
**64
98%
Norma 204
<<locked>>
90%
57043
89%
**17
98%
Norma MRP
<<locked>>
96%
56942
89%
**96
99%
Norma URP 👍
<<locked>>
90%
57276
90%
**27
100%
Ramshot Grand
<<locked>>
95%
57058
89%
**86
97%
Ramshot Hunter 👍
<<locked>>
91%
57232
90%
**37
100%
Ramshot Magnum
<<locked>>
97%
54027
85%
**04
98%
ReloadSwiss RS 14
<<locked>>
97%
35781
56%
**36
100%
ReloadSwiss RS 50
<<locked>>
83%
57334
90%
**78
99%
ReloadSwiss RS 60
<<locked>>
84%
57130
90%
**63
100%
ReloadSwiss RS 62
<<locked>>
89%
57174
90%
**37
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
57319
90%
**92
100%
ReloadSwiss RS 76
<<locked>>
97%
43961
69%
**73
97%
Rottweil R 903
<<locked>>
85%
57334
90%
**74
100%
Rottweil R 904
<<locked>>
94%
57377
90%
**94
97%
Rottweil R 905
<<locked>>
95%
56927
89%
**27
98%
Rottweil R 907
<<locked>>
88%
56927
89%
**71
99%
SNPE Vectan SP 11
<<locked>>
84%
57145
90%
**10
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
56840
89%
**30
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57087
89%
**12
99%
Shooters World Long Rifle
<<locked>>
89%
56855
89%
**58
100%
Somchem S355
<<locked>>
85%
57058
89%
**64
100%
Somchem S361
<<locked>>
93%
56826
89%
**35
96%
Somchem S365
<<locked>>
92%
57029
89%
**23
100%
Somchem S385
<<locked>>
95%
57116
90%
**94
99%
Vihtavuori N135
<<locked>>
87%
57305
90%
**79
100%
Vihtavuori N150
<<locked>>
90%
57290
90%
**19
100%
Vihtavuori N160
<<locked>>
88%
57087
89%
**74
100%
Vihtavuori N165
<<locked>>
97%
50981
80%
**76
97%
Vihtavuori N550
<<locked>>
88%
57348
90%
**23
100%
Vihtavuori N555 👍
<<locked>>
97%
57348
90%
**37
100%
Vihtavuori N560
<<locked>>
97%
54766
86%
**56
96%
[Vihtavuori N565]*
<<locked>>
97%
47007
74%
**59
94%
Winchester 6.5 StaBALL
<<locked>>
89%
57406
90%
**48
100%
Winchester 760
<<locked>>
86%
57116
89%
**33
99%
Winchester StaBALL HD
<<locked>>
97%
48312
76%
**17
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51401
81%
**63
100%
[ADI AR 2209]*
<<locked>>
81%
35853
56%
**64
91%
[ADI AR 2213]*
<<locked>>
86%
38464
60%
**56
90%
[ADI AR 2225]*
<<locked>>
94%
32401
51%
**15
90%
Accurate 2700
<<locked>>
81%
49574
78%
**84
97%
[Accurate 3100]*
<<locked>>
81%
30908
48%
**97
92%
Accurate 4350
<<locked>>
81%
42235
66%
**28
98%
[Accurate MAGPRO]*
<<locked>>
91%
43047
67%
**81
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52083
82%
**96
100%
Alliant Reloder-16
<<locked>>
81%
40814
64%
**45
99%
Alliant Reloder-17
<<locked>>
81%
47456
74%
**96
100%
[Alliant Reloder-19]*
<<locked>>
81%
35505
56%
**54
91%
[Alliant Reloder-22]*
<<locked>>
83%
33852
53%
**51
90%
Alliant Reloder-23
<<locked>>
81%
29878
47%
**33
96%
[Alliant Reloder-25]*
<<locked>>
83%
28021
44%
**74
90%
Alliant Reloder-26
<<locked>>
81%
32547
51%
**67
95%
[Baschieri & Pellagri 109]*
<<locked>>
92%
46934
74%
**74
90%
[Bofors RP15]*
<<locked>>
86%
34360
54%
**58
90%
Bofors RP3
<<locked>>
81%
52823
83%
**05
100%
[Bofors RP30]*
<<locked>>
94%
36245
57%
**30
90%
[Bofors RP5]*
<<locked>>
83%
33852
53%
**51
90%
Bofors RP7
<<locked>>
81%
45934
72%
**51
97%
Hodgdon H380
<<locked>>
81%
53098
83%
**25
100%
Hodgdon H414
<<locked>>
81%
48486
76%
**79
98%
[Hodgdon H4350]*
<<locked>>
81%
39320
62%
**13
94%
[Hodgdon H4831]*
<<locked>>
89%
38885
61%
**27
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
38885
61%
**27
90%
Hodgdon Hybrid 100V
<<locked>>
81%
38377
60%
**23
99%
Hodgdon LVR
<<locked>>
81%
45078
71%
**91
98%
[Hodgdon Retumbo]*
<<locked>>
94%
32401
51%
**15
90%
Hodgdon Superperformance
<<locked>>
81%
44005
69%
**04
96%
Hodgdon VARGET
<<locked>>
81%
50995
80%
**53
100%
Hodgdon TrailBoss
<<locked>>
81%
27789
44%
**09
100%
IMR 4064
<<locked>>
81%
50125
79%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
49226
77%
**00
98%
IMR 4350
<<locked>>
81%
41582
65%
**63
95%
IMR 4451 Enduron
<<locked>>
81%
47529
74%
**97
97%
IMR 4831
<<locked>>
81%
36666
57%
**71
97%
[IMR 4955 Enduron]*
<<locked>>
85%
38653
61%
**81
90%
[IMR 7828 SSC]*
<<locked>>
86%
38218
60%
**59
90%
Lovex S065
<<locked>>
81%
44701
70%
**25
98%
Lovex S070
<<locked>>
81%
43120
68%
**02
96%
[Lovex S071]*
<<locked>>
82%
27557
43%
**98
90%
[Norma 204]*
<<locked>>
81%
41379
65%
**89
93%
[Norma MRP]*
<<locked>>
81%
32576
51%
**35
91%
Norma URP
<<locked>>
81%
41945
66%
**18
98%
[Ramshot Grand]*
<<locked>>
84%
37797
59%
**59
90%
Ramshot Hunter
<<locked>>
81%
40959
64%
**05
96%
[Ramshot Magnum]*
<<locked>>
84%
32605
51%
**92
90%
ReloadSwiss RS 14
<<locked>>
81%
28282
44%
**52
100%
ReloadSwiss RS 50
<<locked>>
81%
53171
83%
**02
99%
ReloadSwiss RS 60
<<locked>>
81%
50372
79%
**51
100%
ReloadSwiss RS 62
<<locked>>
81%
42395
66%
**51
98%
ReloadSwiss RS 70
<<locked>>
81%
41075
64%
**68
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
32605
51%
**48
90%
Rottweil R 903
<<locked>>
81%
49734
78%
**46
100%
[Rottweil R 904]*
<<locked>>
81%
37086
58%
**61
90%
[Rottweil R 905]*
<<locked>>
81%
34548
54%
**38
91%
Rottweil R 907
<<locked>>
81%
45934
72%
**51
97%
SNPE Vectan SP 11
<<locked>>
81%
51387
81%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50502
79%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43874
69%
**63
97%
Shooters World Long Rifle
<<locked>>
81%
44701
70%
**25
98%
Somchem S355
<<locked>>
81%
49676
78%
**33
100%
[Somchem S361]*
<<locked>>
82%
38624
61%
**61
90%
Somchem S365
<<locked>>
81%
38537
60%
**76
100%
[Somchem S385]*
<<locked>>
81%
35244
55%
**22
92%
Vihtavuori N135
<<locked>>
81%
47979
75%
**35
100%
Vihtavuori N150
<<locked>>
81%
42525
67%
**56
100%
Vihtavuori N160
<<locked>>
81%
45382
71%
**61
99%
[Vihtavuori N165]*
<<locked>>
83%
31850
50%
**20
90%
Vihtavuori N550
<<locked>>
81%
45905
72%
**04
99%
Vihtavuori N555
<<locked>>
81%
33315
52%
**22
96%
[Vihtavuori N560]*
<<locked>>
87%
39233
61%
**02
90%
[Vihtavuori N565]*
<<locked>>
91%
38348
60%
**63
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42815
67%
**92
100%
Winchester 760
<<locked>>
81%
48486
76%
**79
98%
[Winchester StaBALL HD]*
<<locked>>
81%
24540
38%
**94
94%

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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