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Load data for .300 Blaser Mag + .308 | 150gr | Osprey Virtus

Recommended Powder(s):

.300 Blaser 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:
<<locked>>
Caliber:
.300 Blaser Mag load data
Case Length (l3):
2.519" | 64.0mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
92.4 Grains of Water | 6.00 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B10765_C351
Last updated:
2026-01-24
Recommended Twist Rate:
1:13 - 1:11

Load data for 166 loads in caliber .300 Blaser Mag with .308 | 150gr | Osprey Virtus bullet and 83 powder(s). 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 2208
87%
90%
100%
ADI AR 2209
97%
84%
96%
ADI AR 2213
97%
75%
92%
Accurate 2700
88%
89%
97%
Accurate 3100
97%
72%
97%
Accurate 4064
86%
90%
100%
Accurate 4350
94%
89%
100%
Alliant Power Pro 2000-MR
84%
89%
100%
Alliant Reloder- TS 15.5
87%
89%
100%
Alliant Reloder-15
85%
89%
100%
Alliant Reloder-16
95%
89%
100%
Alliant Reloder-17
90%
90%
100%
Alliant Reloder-19
97%
83%
96%
Alliant Reloder-22
97%
72%
94%
Alliant Reloder-23
97%
68%
99%
Alliant Reloder-25
97%
60%
95%
Alliant Reloder-26
97%
77%
99%
Bofors RP15
97%
66%
92%
Bofors RP3
87%
90%
100%
Bofors RP5
97%
72%
94%
Bofors RP7
91%
90%
98%
Hodgdon CFE223
85%
90%
100%
Hodgdon H380
86%
89%
100%
Hodgdon H414
89%
89%
98%
Hodgdon H4350
96%
90%
98%
Hodgdon H4831 SC
97%
78%
92%
Hodgdon Hybrid 100V
97%
90%
100%
Hodgdon LVR
92%
89%
99%
Hodgdon Superperformance
92%
90%
98%
Hodgdon VARGET
88%
89%
100%
Hodgdon TrailBoss
96%
56%
100%
IMR 3031
84%
90%
100%
IMR 4064
88%
90%
100%
IMR 4166 Enduron
89%
90%
98%
IMR 4350
95%
90%
98%
IMR 4451 Enduron
90%
89%
98%
IMR 4831
97%
83%
99%
IMR 4895
84%
89%
100%
IMR 4955 Enduron
97%
78%
93%
IMR 7828 SSC
97%
76%
93%
Lovex S062
86%
89%
100%
Lovex S065
92%
90%
99%
Lovex S070
93%
90%
98%
Lovex S071
97%
60%
94%
Norma 203B
85%
89%
100%
Norma 204
94%
90%
96%
Norma MRP
97%
77%
96%
Norma URP
94%
90%
100%
Ramshot Big Game
85%
90%
100%
Ramshot Grand
97%
82%
94%
Ramshot Hunter
95%
90%
99%
Ramshot Magnum
97%
70%
94%
ReloadSwiss RS 14
96%
57%
100%
ReloadSwiss RS 50
86%
90%
99%
ReloadSwiss RS 60
88%
89%
100%
ReloadSwiss RS 62
93%
89%
100%
ReloadSwiss RS 70
94%
89%
100%
Rottweil R 902
85%
90%
100%
Rottweil R 903
89%
89%
100%
Rottweil R 904
97%
87%
95%
Rottweil R 905
97%
81%
96%
Rottweil R 907
91%
90%
98%
SNPE Vectan SP 11
88%
90%
100%
SNPE Vectan Tubal 5000
88%
89%
100%
SNPE Vectan Tubal 7000
92%
89%
98%
Shooters World Long Rifle
92%
90%
99%
Shooters World Precision
86%
89%
100%
Somchem S355
89%
89%
100%
Somchem S361
97%
89%
94%
Somchem S365
97%
90%
100%
Somchem S385
97%
82%
97%
Vihtavuori N133
85%
90%
100%
Vihtavuori N135
90%
89%
100%
Vihtavuori N140
85%
89%
100%
Vihtavuori N150
94%
90%
100%
Vihtavuori N160
92%
90%
100%
Vihtavuori N165
97%
67%
94%
Vihtavuori N540
85%
90%
100%
Vihtavuori N550
91%
90%
100%
Vihtavuori N555
97%
76%
99%
Winchester 6.5 StaBALL
93%
89%
100%
Winchester 760
89%
89%
98%
Winchester StaBALL HD
97%
57%
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
44324
73%
**81
99%
[ADI AR 2209]*
<<locked>>
87%
36347
60%
**46
90%
[ADI AR 2213]*
<<locked>>
94%
40799
67%
**77
90%
[Accurate 2700]*
<<locked>>
81%
42641
70%
**85
94%
[Accurate 3100]*
<<locked>>
85%
28660
47%
**30
90%
Accurate 4064
<<locked>>
81%
45992
76%
**10
100%
Accurate 4350
<<locked>>
81%
34505
57%
**20
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
48921
80%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
44628
73%
**04
100%
Alliant Reloder-15
<<locked>>
81%
47572
78%
**79
99%
Alliant Reloder-16
<<locked>>
81%
34505
57%
**46
96%
Alliant Reloder-17
<<locked>>
81%
38914
64%
**81
99%
[Alliant Reloder-19]*
<<locked>>
86%
35737
59%
**36
90%
[Alliant Reloder-22]*
<<locked>>
91%
36042
59%
**89
90%
[Alliant Reloder-23]*
<<locked>>
81%
24700
41%
**48
92%
[Alliant Reloder-25]*
<<locked>>
91%
29834
49%
**12
90%
[Alliant Reloder-26]*
<<locked>>
82%
27717
45%
**98
90%
[Bofors RP15]*
<<locked>>
93%
35882
59%
**82
90%
Bofors RP3
<<locked>>
81%
44512
73%
**07
100%
[Bofors RP5]*
<<locked>>
91%
36042
59%
**89
90%
[Bofors RP7]*
<<locked>>
81%
39537
65%
**66
94%
Hodgdon CFE223
<<locked>>
81%
46688
77%
**86
99%
Hodgdon H380
<<locked>>
81%
45266
74%
**23
98%
Hodgdon H414
<<locked>>
81%
40524
67%
**61
95%
[Hodgdon H4350]*
<<locked>>
81%
33330
55%
**28
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
41800
69%
**58
90%
Hodgdon Hybrid 100V
<<locked>>
81%
31720
52%
**25
96%
Hodgdon LVR
<<locked>>
81%
37710
62%
**89
96%
[Hodgdon Superperformance]*
<<locked>>
81%
36347
60%
**76
92%
Hodgdon VARGET
<<locked>>
81%
44135
72%
**71
99%
Hodgdon TrailBoss
<<locked>>
81%
27224
45%
**55
100%
IMR 3031
<<locked>>
81%
48921
80%
**72
100%
IMR 4064
<<locked>>
81%
43598
72%
**54
99%
IMR 4166 Enduron
<<locked>>
81%
42989
71%
**25
96%
[IMR 4350]*
<<locked>>
81%
35157
58%
**74
92%
IMR 4451 Enduron
<<locked>>
81%
41017
67%
**99
95%
[IMR 4831]*
<<locked>>
81%
30356
50%
**95
94%
IMR 4895
<<locked>>
81%
48863
80%
**09
100%
[IMR 4955 Enduron]*
<<locked>>
92%
40843
67%
**02
90%
[IMR 7828 SSC]*
<<locked>>
93%
40741
67%
**84
90%
Lovex S062
<<locked>>
81%
46586
76%
**13
100%
Lovex S065
<<locked>>
81%
38276
63%
**40
95%
[Lovex S070]*
<<locked>>
81%
36564
60%
**20
93%
[Lovex S071]*
<<locked>>
90%
28660
47%
**30
90%
Norma 203B
<<locked>>
81%
47050
77%
**66
100%
[Norma 204]*
<<locked>>
82%
35969
59%
**30
90%
[Norma MRP]*
<<locked>>
87%
32677
54%
**20
90%
Norma URP
<<locked>>
81%
34853
57%
**30
96%
Ramshot Big Game
<<locked>>
81%
47384
78%
**86
100%
[Ramshot Grand]*
<<locked>>
91%
40335
66%
**87
90%
[Ramshot Hunter]*
<<locked>>
81%
33997
56%
**10
93%
[Ramshot Magnum]*
<<locked>>
91%
34505
57%
**23
90%
ReloadSwiss RS 14
<<locked>>
81%
27717
45%
**95
100%
ReloadSwiss RS 50
<<locked>>
81%
45455
75%
**00
97%
ReloadSwiss RS 60
<<locked>>
81%
41394
68%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
34635
57%
**43
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
34156
56%
**43
94%
Rottweil R 902
<<locked>>
81%
48573
80%
**33
100%
Rottweil R 903
<<locked>>
81%
41901
69%
**48
99%
[Rottweil R 904]*
<<locked>>
88%
39015
64%
**69
90%
[Rottweil R 905]*
<<locked>>
87%
34983
57%
**30
90%
[Rottweil R 907]*
<<locked>>
81%
39537
65%
**66
94%
SNPE Vectan SP 11
<<locked>>
81%
43323
71%
**13
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
43787
72%
**82
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37434
61%
**74
94%
Shooters World Long Rifle
<<locked>>
81%
38276
63%
**40
95%
Shooters World Precision
<<locked>>
81%
46586
76%
**13
100%
Somchem S355
<<locked>>
81%
42308
69%
**54
99%
[Somchem S361]*
<<locked>>
89%
41582
68%
**92
90%
Somchem S365
<<locked>>
81%
31183
51%
**71
98%
[Somchem S385]*
<<locked>>
84%
32430
53%
**35
90%
Vihtavuori N133
<<locked>>
81%
49327
81%
**64
100%
Vihtavuori N135
<<locked>>
81%
41075
67%
**72
100%
Vihtavuori N140
<<locked>>
81%
48283
79%
**07
100%
Vihtavuori N150
<<locked>>
81%
36013
59%
**90
99%
Vihtavuori N160
<<locked>>
81%
37927
62%
**62
97%
[Vihtavuori N165]*
<<locked>>
91%
33649
55%
**51
90%
Vihtavuori N540
<<locked>>
81%
48182
79%
**33
100%
Vihtavuori N550
<<locked>>
81%
38406
63%
**05
97%
[Vihtavuori N555]*
<<locked>>
81%
26716
44%
**26
92%
Winchester 6.5 StaBALL
<<locked>>
81%
35940
59%
**10
98%
Winchester 760
<<locked>>
81%
40524
67%
**61
95%
[Winchester StaBALL HD]*
<<locked>>
84%
24105
40%
**70
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.

<<locked>>... you need to buy an access license to unlock the data

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