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Load data for 7 mm STW + .284 | 150gr | Osprey Virtus

Recommended Powder(s): ADI AR 2209, ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP

7 mm STW + .284 | 150gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.284-150
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.430" | 36.3mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.685" | 17.4mm
Shank Seated Depth:
0.559" | 14.2mm
Case Capacity:
97.0 Grains of Water | 6.30 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
66717 psi | 4600 bar
LID:
LID_B10757_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 128 loads in caliber 7 mm STW with .284 | 150gr | Osprey Virtus bullet and 64 powders such as ADI AR 2209, ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, Norma MRP. 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>>
91%
59828
90%
**22
100%
ADI AR 2213 👍
<<locked>>
94%
59756
90%
**68
99%
ADI AR 2217
<<locked>>
97%
48385
73%
**67
98%
ADI AR 2225
<<locked>>
97%
43787
66%
**28
100%
Accurate 3100
<<locked>>
94%
59611
89%
**49
100%
Accurate 4350
<<locked>>
85%
59321
89%
**66
100%
Accurate MAGPRO
<<locked>>
94%
59901
90%
**71
98%
Alliant Reloder-16
<<locked>>
86%
59292
89%
**05
100%
Alliant Reloder-19
<<locked>>
91%
59698
89%
**15
100%
Alliant Reloder-22 👍
<<locked>>
94%
59756
90%
**48
100%
Alliant Reloder-23
<<locked>>
95%
59524
89%
**92
100%
Alliant Reloder-25
<<locked>>
97%
55753
84%
**05
100%
Alliant Reloder-26
<<locked>>
90%
59843
90%
**81
100%
[Alliant Reloder-33]*
<<locked>>
97%
45339
68%
**61
94%
Hodgdon H1000
<<locked>>
97%
48385
73%
**67
98%
Hodgdon H4350
<<locked>>
89%
59509
89%
**56
100%
Hodgdon H4831
<<locked>>
96%
59799
90%
**99
99%
Hodgdon H4831 SC
<<locked>>
93%
59799
90%
**99
99%
Hodgdon Hybrid 100V
<<locked>>
89%
59727
90%
**33
100%
Hodgdon LVR
<<locked>>
84%
59422
89%
**76
100%
Hodgdon Retumbo
<<locked>>
97%
43787
66%
**28
100%
Hodgdon Superperformance
<<locked>>
84%
59654
89%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
35317
53%
**50
100%
IMR 4350
<<locked>>
87%
59611
89%
**56
100%
IMR 4451 Enduron
<<locked>>
84%
59843
90%
**59
100%
IMR 4831
<<locked>>
90%
59509
89%
**63
100%
IMR 4955 Enduron
<<locked>>
94%
59843
90%
**72
99%
IMR 7828 SSC 👍
<<locked>>
92%
59321
89%
**64
99%
[IMR 7977 Enduron]*
<<locked>>
97%
56463
85%
**71
93%
IMR 8133 Enduron
<<locked>>
97%
39305
59%
**17
96%
Lovex S065
<<locked>>
85%
59843
90%
**36
100%
Lovex S070
<<locked>>
86%
59553
89%
**56
100%
Lovex S071
<<locked>>
97%
55013
82%
**94
100%
Norma 204
<<locked>>
87%
59901
90%
**99
100%
Norma 217
<<locked>>
97%
39407
59%
**43
98%
Norma MRP 👍
<<locked>>
92%
59901
90%
**74
100%
Norma URP
<<locked>>
86%
59350
89%
**72
100%
Ramshot Hunter
<<locked>>
87%
59480
89%
**95
100%
Ramshot Magnum
<<locked>>
94%
59205
89%
**09
100%
ReloadSwiss RS 14
<<locked>>
97%
36419
55%
**96
100%
ReloadSwiss RS 62
<<locked>>
85%
59393
89%
**92
100%
ReloadSwiss RS 70
<<locked>>
86%
59785
90%
**41
100%
ReloadSwiss RS 76
<<locked>>
97%
55143
83%
**64
100%
ReloadSwiss RS 80
<<locked>>
97%
50198
75%
**49
97%
Rottweil R 904
<<locked>>
90%
59872
90%
**86
99%
Rottweil R 905
<<locked>>
91%
59495
89%
**15
100%
Rottweil R 907
<<locked>>
85%
60046
90%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
59654
89%
**07
100%
Shooters World Long Rifle
<<locked>>
85%
59843
90%
**36
100%
Somchem S361
<<locked>>
89%
59843
90%
**43
99%
Somchem S365
<<locked>>
88%
59393
89%
**63
100%
Somchem S385
<<locked>>
91%
59625
89%
**76
100%
Vihtavuori N135
<<locked>>
83%
59611
89%
**28
100%
Vihtavuori N150
<<locked>>
87%
59727
90%
**77
100%
Vihtavuori N160
<<locked>>
84%
59799
90%
**46
100%
Vihtavuori N165
<<locked>>
96%
59408
89%
**56
100%
Vihtavuori N550
<<locked>>
84%
59422
89%
**79
100%
Vihtavuori N555
<<locked>>
92%
59915
90%
**95
100%
Vihtavuori N560
<<locked>>
93%
59669
89%
**77
99%
Vihtavuori N565
<<locked>>
97%
58160
87%
**28
99%
Vihtavuori N568
<<locked>>
97%
51474
77%
**63
97%
[Vihtavuori N570]*
<<locked>>
97%
48747
73%
**40
94%
Winchester 6.5 StaBALL
<<locked>>
85%
59640
89%
**97
100%
Winchester StaBALL HD
<<locked>>
95%
59683
89%
**91
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
42743
64%
**33
97%
ADI AR 2213
<<locked>>
81%
38159
57%
**57
95%
[ADI AR 2217]*
<<locked>>
83%
30066
45%
**31
90%
[ADI AR 2225]*
<<locked>>
81%
25454
38%
**23
90%
Accurate 3100
<<locked>>
81%
38087
57%
**85
98%
Accurate 4350
<<locked>>
81%
51082
77%
**54
100%
[Accurate MAGPRO]*
<<locked>>
81%
37463
56%
**44
92%
Alliant Reloder-16
<<locked>>
81%
49168
74%
**61
100%
Alliant Reloder-19
<<locked>>
81%
42583
64%
**26
97%
Alliant Reloder-22
<<locked>>
81%
38421
58%
**67
96%
Alliant Reloder-23
<<locked>>
81%
36927
55%
**15
100%
Alliant Reloder-25
<<locked>>
81%
31908
48%
**26
97%
Alliant Reloder-26
<<locked>>
81%
41510
62%
**72
100%
[Alliant Reloder-33]*
<<locked>>
93%
38406
58%
**03
90%
[Hodgdon H1000]*
<<locked>>
83%
30066
45%
**31
90%
Hodgdon H4350
<<locked>>
81%
46253
69%
**49
99%
[Hodgdon H4831]*
<<locked>>
81%
35882
54%
**56
93%
Hodgdon H4831 SC
<<locked>>
81%
40030
60%
**51
95%
Hodgdon Hybrid 100V
<<locked>>
81%
46325
69%
**40
100%
Hodgdon LVR
<<locked>>
81%
53447
80%
**90
100%
[Hodgdon Retumbo]*
<<locked>>
81%
25454
38%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
53751
81%
**40
100%
Hodgdon TrailBoss
<<locked>>
81%
28384
43%
**03
100%
IMR 4350
<<locked>>
81%
48660
73%
**89
99%
IMR 4451 Enduron
<<locked>>
81%
54824
82%
**81
100%
IMR 4831
<<locked>>
81%
44005
66%
**20
100%
IMR 4955 Enduron
<<locked>>
81%
39784
60%
**08
95%
IMR 7828 SSC
<<locked>>
81%
39218
59%
**90
95%
[IMR 7977 Enduron]*
<<locked>>
91%
47137
71%
**13
90%
[IMR 8133 Enduron]*
<<locked>>
88%
29399
44%
**61
90%
Lovex S065
<<locked>>
81%
52011
78%
**28
100%
Lovex S070
<<locked>>
81%
50575
76%
**25
100%
Lovex S071
<<locked>>
81%
32619
49%
**61
97%
Norma 204
<<locked>>
81%
49269
74%
**28
99%
[Norma 217]*
<<locked>>
85%
25918
39%
**62
90%
Norma MRP
<<locked>>
81%
40393
61%
**26
98%
Norma URP
<<locked>>
81%
50125
75%
**35
100%
Ramshot Hunter
<<locked>>
81%
49081
74%
**35
100%
Ramshot Magnum
<<locked>>
81%
35708
54%
**98
96%
ReloadSwiss RS 14
<<locked>>
81%
28877
43%
**39
100%
ReloadSwiss RS 62
<<locked>>
81%
51474
77%
**71
100%
ReloadSwiss RS 70
<<locked>>
81%
50067
75%
**04
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30226
45%
**07
94%
[ReloadSwiss RS 80]*
<<locked>>
86%
32837
49%
**66
90%
Rottweil R 904
<<locked>>
81%
43787
66%
**07
97%
Rottweil R 905
<<locked>>
81%
41945
63%
**13
97%
Rottweil R 907
<<locked>>
81%
53548
80%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
51039
77%
**72
100%
Shooters World Long Rifle
<<locked>>
81%
52011
78%
**28
100%
Somchem S361
<<locked>>
81%
44933
67%
**97
96%
Somchem S365
<<locked>>
81%
47282
71%
**92
100%
Somchem S385
<<locked>>
81%
42496
64%
**87
98%
Vihtavuori N135
<<locked>>
81%
55753
84%
**79
100%
Vihtavuori N150
<<locked>>
81%
49864
75%
**43
100%
Vihtavuori N160
<<locked>>
81%
53795
81%
**67
100%
Vihtavuori N165
<<locked>>
81%
35795
54%
**30
96%
Vihtavuori N550
<<locked>>
81%
54317
81%
**00
100%
Vihtavuori N555
<<locked>>
81%
41176
62%
**97
100%
[Vihtavuori N560]*
<<locked>>
81%
38363
57%
**80
94%
[Vihtavuori N565]*
<<locked>>
81%
33054
50%
**30
92%
[Vihtavuori N568]*
<<locked>>
85%
33663
50%
**75
90%
[Vihtavuori N570]*
<<locked>>
91%
39160
59%
**36
90%
Winchester 6.5 StaBALL
<<locked>>
81%
51184
77%
**82
100%
Winchester StaBALL HD
<<locked>>
81%
33591
50%
**48
100%

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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