top of page

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

Recommended Powder(s): Accurate 4350, Norma URP, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.300 PRC + .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:
.300 PRC load data
Case Length (l3):
2.580" | 65.5mm
Cartridge Length (C.O.L.):
3.645" | 92.6mm
Seated Depth:
0.135" | 3.4mm
Shank Seated Depth:
-0.006" | -0.2mm
Case Capacity:
99.0 Grains of Water | 6.43 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B10765_C370
Last updated:
2025-01-01
Recommended Twist Rate:
1:13 - 1:11

Load data for 154 loads in caliber .300 PRC with .308 | 150gr | Osprey Virtus bullet and 77 powders such as Accurate 4350, Norma URP, Ramshot Hunter, 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".

  • 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.

    .

    Loading_icon.gif

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%
58233
90%
**59
100%
ADI AR 2209
<<locked>>
96%
57986
89%
**41
98%
ADI AR 2213
<<locked>>
97%
53374
82%
**92
96%
[ADI AR 2225]*
<<locked>>
97%
34461
53%
**79
92%
Accurate 2700
<<locked>>
86%
58015
89%
**20
99%
Accurate 3100
<<locked>>
97%
53055
82%
**07
99%
Accurate 4064
<<locked>>
84%
58436
90%
**33
100%
Accurate 4350 👍
<<locked>>
91%
58189
90%
**19
100%
[Accurate MAGPRO]*
<<locked>>
97%
52054
80%
**79
94%
Alliant Reloder- TS 15.5
<<locked>>
85%
58450
90%
**79
100%
Alliant Reloder-15
<<locked>>
83%
58450
90%
**96
100%
Alliant Reloder-16
<<locked>>
92%
57957
89%
**61
100%
Alliant Reloder-17
<<locked>>
87%
58001
89%
**61
100%
Alliant Reloder-19
<<locked>>
96%
57841
89%
**35
98%
Alliant Reloder-22
<<locked>>
97%
52837
81%
**96
98%
Alliant Reloder-23
<<locked>>
97%
50256
77%
**23
100%
Alliant Reloder-25
<<locked>>
97%
43482
67%
**31
98%
Alliant Reloder-26
<<locked>>
97%
58088
89%
**43
100%
Hodgdon H380
<<locked>>
84%
58262
90%
**86
100%
Hodgdon H414
<<locked>>
87%
58262
90%
**41
99%
Hodgdon H4350
<<locked>>
94%
58102
89%
**79
99%
[Hodgdon H4831]*
<<locked>>
97%
49240
76%
**51
94%
Hodgdon H4831 SC
<<locked>>
97%
56202
86%
**79
96%
Hodgdon Hybrid 100V
<<locked>>
94%
58001
89%
**76
100%
Hodgdon LVR
<<locked>>
89%
58436
90%
**22
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34461
53%
**79
92%
Hodgdon Superperformance
<<locked>>
89%
58465
90%
**64
99%
Hodgdon VARGET
<<locked>>
86%
57798
89%
**59
100%
Hodgdon TrailBoss
<<locked>>
97%
34882
54%
**85
100%
IMR 4064
<<locked>>
86%
57943
89%
**46
100%
IMR 4166 Enduron
<<locked>>
87%
58320
90%
**56
99%
IMR 4350
<<locked>>
92%
58160
90%
**79
99%
IMR 4451 Enduron
<<locked>>
88%
58088
89%
**69
99%
IMR 4831
<<locked>>
96%
57870
89%
**96
100%
IMR 4955 Enduron
<<locked>>
97%
55143
85%
**36
96%
IMR 7828 SSC
<<locked>>
97%
55303
85%
**48
97%
Lovex S062
<<locked>>
84%
58088
89%
**46
100%
Lovex S065
<<locked>>
90%
58189
90%
**66
100%
Lovex S070
<<locked>>
91%
57870
89%
**89
99%
Lovex S071
<<locked>>
97%
43729
67%
**36
98%
Norma 203B
<<locked>>
83%
58291
90%
**89
100%
Norma 204
<<locked>>
91%
58059
89%
**19
98%
Norma MRP
<<locked>>
97%
56710
87%
**91
99%
Norma URP 👍
<<locked>>
92%
58262
90%
**28
100%
Ramshot Hunter 👍
<<locked>>
92%
58218
90%
**41
100%
Ramshot Magnum
<<locked>>
97%
52011
80%
**56
98%
ReloadSwiss RS 14
<<locked>>
96%
35360
54%
**24
100%
ReloadSwiss RS 50
<<locked>>
84%
58189
90%
**79
100%
ReloadSwiss RS 60
<<locked>>
88%
57914
89%
**84
100%
ReloadSwiss RS 62 👍
<<locked>>
91%
58073
89%
**41
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57943
89%
**97
100%
ReloadSwiss RS 76
<<locked>>
97%
42293
65%
**35
96%
Rottweil R 903
<<locked>>
87%
58421
90%
**66
100%
Rottweil R 904
<<locked>>
95%
58363
90%
**92
97%
Rottweil R 905
<<locked>>
97%
57899
89%
**35
98%
Rottweil R 907
<<locked>>
89%
57740
89%
**59
99%
SNPE Vectan SP 11
<<locked>>
85%
57972
89%
**99
100%
SNPE Vectan Tubal 5000
<<locked>>
86%
58378
90%
**35
100%
SNPE Vectan Tubal 7000
<<locked>>
90%
57972
89%
**14
99%
Shooters World Long Rifle
<<locked>>
90%
58189
90%
**66
100%
Shooters World Precision
<<locked>>
84%
58088
89%
**46
100%
Somchem S355
<<locked>>
86%
57856
89%
**63
100%
Somchem S361
<<locked>>
94%
57899
89%
**43
96%
Somchem S365
<<locked>>
93%
58044
89%
**28
100%
Somchem S385
<<locked>>
96%
58073
89%
**99
99%
Vihtavuori N135
<<locked>>
88%
58218
90%
**77
100%
Vihtavuori N150
<<locked>>
91%
57957
89%
**17
100%
Vihtavuori N160
<<locked>>
89%
57943
89%
**82
100%
Vihtavuori N165
<<locked>>
97%
49110
76%
**35
97%
Vihtavuori N540
<<locked>>
83%
58363
90%
**17
100%
Vihtavuori N550
<<locked>>
89%
58175
90%
**32
100%
Vihtavuori N555
<<locked>>
97%
56188
86%
**19
100%
Vihtavuori N560
<<locked>>
97%
53316
82%
**12
96%
[Vihtavuori N565]*
<<locked>>
97%
45107
69%
**25
94%
Winchester 6.5 StaBALL
<<locked>>
90%
58378
90%
**46
100%
Winchester 760
<<locked>>
87%
58262
90%
**41
99%
Winchester StaBALL HD
<<locked>>
97%
45759
70%
**69
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50270
77%
**31
100%
[ADI AR 2209]*
<<locked>>
81%
34766
53%
**46
91%
[ADI AR 2213]*
<<locked>>
86%
37405
58%
**35
90%
[ADI AR 2225]*
<<locked>>
95%
31792
49%
**00
90%
Accurate 2700
<<locked>>
81%
48486
75%
**46
97%
[Accurate 3100]*
<<locked>>
81%
30023
46%
**85
92%
Accurate 4064
<<locked>>
81%
53229
82%
**48
100%
Accurate 4350
<<locked>>
81%
41220
63%
**97
98%
[Accurate MAGPRO]*
<<locked>>
91%
41974
65%
**63
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
50995
78%
**54
100%
Alliant Reloder-15
<<locked>>
81%
54563
84%
**40
100%
Alliant Reloder-16
<<locked>>
81%
39972
62%
**17
99%
Alliant Reloder-17
<<locked>>
81%
46137
71%
**58
100%
[Alliant Reloder-19]*
<<locked>>
81%
34722
53%
**43
91%
[Alliant Reloder-22]*
<<locked>>
83%
33112
51%
**33
90%
Alliant Reloder-23
<<locked>>
81%
29167
45%
**28
96%
[Alliant Reloder-25]*
<<locked>>
83%
27383
42%
**62
90%
[Alliant Reloder-26]*
<<locked>>
81%
31488
48%
**49
94%
Hodgdon H380
<<locked>>
81%
51967
80%
**87
100%
Hodgdon H414
<<locked>>
81%
47398
73%
**48
98%
[Hodgdon H4350]*
<<locked>>
81%
38624
59%
**92
94%
[Hodgdon H4831]*
<<locked>>
90%
38783
60%
**22
90%
[Hodgdon H4831 SC]*
<<locked>>
86%
38783
60%
**22
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37463
58%
**95
99%
Hodgdon LVR
<<locked>>
81%
44121
68%
**59
98%
[Hodgdon Retumbo]*
<<locked>>
95%
31792
49%
**00
90%
Hodgdon Superperformance
<<locked>>
81%
42728
66%
**69
96%
Hodgdon VARGET
<<locked>>
81%
49980
77%
**18
100%
Hodgdon TrailBoss
<<locked>>
81%
27760
43%
**14
100%
IMR 4064
<<locked>>
81%
49298
76%
**09
100%
IMR 4166 Enduron
<<locked>>
81%
48283
74%
**76
98%
IMR 4350
<<locked>>
81%
40408
62%
**31
95%
IMR 4451 Enduron
<<locked>>
81%
46557
72%
**59
97%
IMR 4831
<<locked>>
81%
35708
55%
**53
97%
[IMR 4955 Enduron]*
<<locked>>
85%
37492
58%
**62
90%
[IMR 7828 SSC]*
<<locked>>
86%
37304
57%
**44
90%
Lovex S062
<<locked>>
81%
53011
82%
**64
100%
Lovex S065
<<locked>>
81%
43859
68%
**00
98%
Lovex S070
<<locked>>
81%
42148
65%
**81
97%
[Lovex S071]*
<<locked>>
82%
26701
41%
**84
90%
Norma 203B
<<locked>>
81%
53809
83%
**20
100%
[Norma 204]*
<<locked>>
81%
40190
62%
**61
93%
[Norma MRP]*
<<locked>>
81%
31676
49%
**17
91%
Norma URP
<<locked>>
81%
40886
63%
**97
98%
Ramshot Hunter
<<locked>>
81%
39726
61%
**77
96%
[Ramshot Magnum]*
<<locked>>
85%
32445
50%
**00
91%
ReloadSwiss RS 14
<<locked>>
81%
28239
43%
**60
100%
ReloadSwiss RS 50
<<locked>>
81%
51938
80%
**64
99%
ReloadSwiss RS 60
<<locked>>
81%
44382
68%
**54
100%
ReloadSwiss RS 62
<<locked>>
81%
41205
63%
**17
98%
ReloadSwiss RS 70
<<locked>>
81%
39972
62%
**36
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
32184
50%
**40
90%
Rottweil R 903
<<locked>>
81%
48588
75%
**09
100%
[Rottweil R 904]*
<<locked>>
81%
36187
56%
**30
90%
[Rottweil R 905]*
<<locked>>
81%
33649
52%
**20
91%
Rottweil R 907
<<locked>>
81%
44976
69%
**27
97%
SNPE Vectan SP 11
<<locked>>
81%
49995
77%
**68
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49632
76%
**13
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43033
66%
**38
97%
Shooters World Long Rifle
<<locked>>
81%
43859
68%
**00
98%
Shooters World Precision
<<locked>>
81%
53011
82%
**64
100%
Somchem S355
<<locked>>
81%
48602
75%
**02
100%
[Somchem S361]*
<<locked>>
82%
37869
58%
**43
90%
Somchem S365
<<locked>>
81%
37231
57%
**44
100%
[Somchem S385]*
<<locked>>
81%
34229
53%
**00
92%
Vihtavuori N135
<<locked>>
81%
47036
72%
**00
100%
Vihtavuori N150
<<locked>>
81%
41742
64%
**41
100%
Vihtavuori N160
<<locked>>
81%
44324
68%
**40
99%
[Vihtavuori N165]*
<<locked>>
83%
31198
48%
**08
90%
Vihtavuori N540
<<locked>>
81%
54665
84%
**71
100%
Vihtavuori N550
<<locked>>
81%
44817
69%
**86
99%
Vihtavuori N555
<<locked>>
81%
32460
50%
**13
96%
[Vihtavuori N560]*
<<locked>>
87%
38305
59%
**81
90%
[Vihtavuori N565]*
<<locked>>
91%
37115
57%
**35
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41727
64%
**61
100%
Winchester 760
<<locked>>
81%
47398
73%
**48
98%
[Winchester StaBALL HD]*
<<locked>>
81%
23337
36%
**79
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

bottom of page