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Load data for 7 mm STW + .284 | 120gr | Osprey Virtus

Recommended Powder(s): Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD

7 mm STW + .284 | 120gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.284-120
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.150" | 29.2mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.482" | 88.4mm
Seated Depth:
0.518" | 13.2mm
Shank Seated Depth:
0.400" | 10.2mm
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_B10755_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:12 - 1:10

Load data for 146 loads in caliber 7 mm STW with .284 | 120gr | Osprey Virtus bullet and 73 powders such as Alliant Reloder-26, Norma 204, Ramshot Hunter, Vihtavuori N555, Winchester StaBALL HD. 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>>
85%
59785
90%
**22
100%
ADI AR 2209
<<locked>>
94%
59422
89%
**97
99%
ADI AR 2213
<<locked>>
97%
57943
87%
**04
98%
[ADI AR 2217]*
<<locked>>
97%
41989
63%
**59
93%
ADI AR 2225
<<locked>>
97%
37565
56%
**94
95%
Accurate 2700
<<locked>>
85%
59857
90%
**73
99%
Accurate 3100
<<locked>>
97%
57856
87%
**05
100%
Accurate 4350
<<locked>>
89%
59857
90%
**71
100%
Accurate MAGPRO
<<locked>>
97%
58059
87%
**94
96%
Alliant Reloder- TS 15.5
<<locked>>
84%
59988
90%
**32
100%
Alliant Reloder-16
<<locked>>
91%
59814
90%
**17
100%
Alliant Reloder-17
<<locked>>
86%
59277
89%
**01
100%
Alliant Reloder-19
<<locked>>
95%
59886
90%
**97
99%
Alliant Reloder-22
<<locked>>
97%
57740
87%
**91
99%
Alliant Reloder-23
<<locked>>
97%
55158
83%
**19
100%
Alliant Reloder-25
<<locked>>
97%
47718
72%
**40
100%
Alliant Reloder-26 👍
<<locked>>
94%
59379
89%
**56
100%
[Hodgdon H1000]*
<<locked>>
97%
41989
63%
**59
93%
Hodgdon H380
<<locked>>
83%
60002
90%
**41
100%
Hodgdon H414
<<locked>>
86%
60017
90%
**01
100%
Hodgdon H4350
<<locked>>
93%
59770
90%
**32
99%
Hodgdon H4831
<<locked>>
97%
53824
81%
**66
96%
Hodgdon H4831 SC
<<locked>>
96%
59959
90%
**68
97%
Hodgdon Hybrid 100V
<<locked>>
92%
59248
89%
**09
100%
Hodgdon LVR
<<locked>>
88%
59509
89%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
37565
56%
**94
95%
Hodgdon Superperformance
<<locked>>
87%
59930
90%
**04
100%
Hodgdon VARGET
<<locked>>
85%
59785
90%
**22
100%
Hodgdon TrailBoss
<<locked>>
97%
35085
53%
**54
100%
IMR 4064
<<locked>>
85%
59741
90%
**09
100%
IMR 4166 Enduron
<<locked>>
86%
59814
90%
**12
100%
IMR 4350
<<locked>>
91%
59785
90%
**32
99%
IMR 4451 Enduron
<<locked>>
87%
59379
89%
**22
100%
IMR 4831
<<locked>>
94%
59698
89%
**48
100%
IMR 4955 Enduron
<<locked>>
97%
59205
89%
**25
98%
IMR 7828 SSC
<<locked>>
96%
59611
89%
**30
98%
Lovex S065
<<locked>>
89%
59828
90%
**19
100%
Lovex S070
<<locked>>
89%
59205
89%
**25
100%
Lovex S071
<<locked>>
97%
48211
72%
**38
99%
Norma 204 👍
<<locked>>
90%
59915
90%
**81
99%
Norma MRP
<<locked>>
95%
59422
89%
**46
100%
Norma URP
<<locked>>
90%
59495
89%
**61
100%
Ramshot Hunter 👍
<<locked>>
90%
59785
90%
**81
100%
Ramshot Magnum
<<locked>>
97%
58044
87%
**68
99%
ReloadSwiss RS 14
<<locked>>
96%
35679
53%
**03
100%
ReloadSwiss RS 50
<<locked>>
83%
59799
90%
**22
100%
ReloadSwiss RS 60
<<locked>>
87%
59669
89%
**33
100%
ReloadSwiss RS 62
<<locked>>
89%
59828
90%
**74
100%
ReloadSwiss RS 70
<<locked>>
89%
59408
89%
**33
100%
ReloadSwiss RS 76
<<locked>>
97%
46789
70%
**59
99%
Rottweil R 903
<<locked>>
85%
59988
90%
**15
100%
Rottweil R 904
<<locked>>
94%
59973
90%
**51
98%
Rottweil R 905
<<locked>>
95%
59683
89%
**81
99%
Rottweil R 907
<<locked>>
88%
59944
90%
**25
99%
SNPE Vectan SP 11
<<locked>>
84%
59988
90%
**55
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
59480
89%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
59857
90%
**69
100%
Shooters World Long Rifle
<<locked>>
89%
59828
90%
**19
100%
Somchem S355
<<locked>>
85%
59567
89%
**19
100%
Somchem S361
<<locked>>
93%
59567
89%
**92
97%
Somchem S365
<<locked>>
92%
59495
89%
**61
100%
Somchem S385
<<locked>>
95%
59698
89%
**51
99%
Vihtavuori N135
<<locked>>
87%
59886
90%
**23
100%
Vihtavuori N150
<<locked>>
90%
59669
89%
**66
100%
Vihtavuori N160
<<locked>>
88%
59756
90%
**25
100%
Vihtavuori N165
<<locked>>
97%
53330
80%
**23
98%
Vihtavuori N550
<<locked>>
87%
59785
90%
**64
100%
Vihtavuori N555 👍
<<locked>>
96%
59480
89%
**78
100%
Vihtavuori N560
<<locked>>
97%
58653
88%
**20
97%
Vihtavuori N565
<<locked>>
97%
49821
75%
**43
96%
Winchester 6.5 StaBALL
<<locked>>
89%
59524
89%
**79
100%
Winchester 760
<<locked>>
86%
60017
90%
**01
100%
Winchester StaBALL HD 👍
<<locked>>
97%
52968
79%
**91
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
53359
80%
**20
100%
[ADI AR 2209]*
<<locked>>
81%
37463
56%
**44
93%
[ADI AR 2213]*
<<locked>>
83%
36056
54%
**28
90%
[ADI AR 2217]*
<<locked>>
92%
35955
54%
**99
90%
[ADI AR 2225]*
<<locked>>
90%
30284
45%
**74
90%
Accurate 2700
<<locked>>
81%
51605
77%
**35
98%
[Accurate 3100]*
<<locked>>
81%
32721
49%
**90
94%
Accurate 4350
<<locked>>
81%
44483
67%
**95
99%
[Accurate MAGPRO]*
<<locked>>
87%
40611
61%
**40
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
54346
81%
**40
100%
Alliant Reloder-16
<<locked>>
81%
42830
64%
**09
99%
Alliant Reloder-17
<<locked>>
81%
49937
75%
**56
100%
[Alliant Reloder-19]*
<<locked>>
81%
37275
56%
**38
93%
[Alliant Reloder-22]*
<<locked>>
81%
32996
49%
**49
91%
Alliant Reloder-23
<<locked>>
81%
31575
47%
**33
98%
[Alliant Reloder-25]*
<<locked>>
81%
27615
41%
**02
91%
Alliant Reloder-26
<<locked>>
81%
34882
52%
**71
97%
[Hodgdon H1000]*
<<locked>>
92%
35955
54%
**99
90%
Hodgdon H380
<<locked>>
81%
55579
83%
**79
100%
Hodgdon H414
<<locked>>
81%
51010
76%
**40
99%
Hodgdon H4350
<<locked>>
81%
41176
62%
**84
96%
[Hodgdon H4831]*
<<locked>>
86%
37086
56%
**12
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37347
56%
**15
90%
Hodgdon Hybrid 100V
<<locked>>
81%
40292
60%
**84
100%
Hodgdon LVR
<<locked>>
81%
47224
71%
**61
99%
[Hodgdon Retumbo]*
<<locked>>
90%
30284
45%
**74
90%
Hodgdon Superperformance
<<locked>>
81%
46586
70%
**68
98%
Hodgdon VARGET
<<locked>>
81%
52808
79%
**07
100%
Hodgdon TrailBoss
<<locked>>
81%
27818
42%
**90
100%
IMR 4064
<<locked>>
81%
52011
78%
**87
100%
IMR 4166 Enduron
<<locked>>
81%
50981
76%
**64
99%
IMR 4350
<<locked>>
81%
43308
65%
**33
97%
IMR 4451 Enduron
<<locked>>
81%
49429
74%
**51
98%
IMR 4831
<<locked>>
81%
38464
58%
**51
98%
[IMR 4955 Enduron]*
<<locked>>
82%
36376
55%
**59
90%
[IMR 7828 SSC]*
<<locked>>
83%
36318
54%
**44
90%
Lovex S065
<<locked>>
81%
46630
70%
**86
99%
Lovex S070
<<locked>>
81%
44947
67%
**76
98%
[Lovex S071]*
<<locked>>
81%
27949
42%
**52
91%
Norma 204
<<locked>>
81%
43236
65%
**59
95%
[Norma MRP]*
<<locked>>
81%
34563
52%
**25
93%
Norma URP
<<locked>>
81%
44121
66%
**99
99%
Ramshot Hunter
<<locked>>
81%
42975
64%
**76
98%
[Ramshot Magnum]*
<<locked>>
81%
30676
46%
**67
90%
ReloadSwiss RS 14
<<locked>>
81%
28384
43%
**32
100%
ReloadSwiss RS 50
<<locked>>
81%
55434
83%
**50
100%
ReloadSwiss RS 60
<<locked>>
81%
48080
72%
**43
100%
ReloadSwiss RS 62
<<locked>>
81%
44860
67%
**22
99%
ReloadSwiss RS 70
<<locked>>
81%
43236
65%
**31
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
30705
46%
**20
90%
Rottweil R 903
<<locked>>
81%
52127
78%
**00
100%
[Rottweil R 904]*
<<locked>>
81%
38783
58%
**28
92%
[Rottweil R 905]*
<<locked>>
81%
36448
55%
**18
93%
Rottweil R 907
<<locked>>
81%
47776
72%
**18
98%
SNPE Vectan SP 11
<<locked>>
81%
53519
80%
**50
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
52373
78%
**82
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45672
68%
**36
98%
Shooters World Long Rifle
<<locked>>
81%
46630
70%
**86
99%
Somchem S355
<<locked>>
81%
51735
78%
**97
100%
[Somchem S361]*
<<locked>>
81%
39682
59%
**15
92%
Somchem S365
<<locked>>
81%
40741
61%
**40
100%
[Somchem S385]*
<<locked>>
81%
37043
56%
**05
94%
Vihtavuori N135
<<locked>>
81%
49966
75%
**82
100%
Vihtavuori N150
<<locked>>
81%
44324
66%
**20
100%
Vihtavuori N160
<<locked>>
81%
47413
71%
**22
100%
[Vihtavuori N165]*
<<locked>>
81%
31053
47%
**35
91%
Vihtavuori N550
<<locked>>
81%
48167
72%
**81
100%
Vihtavuori N555
<<locked>>
81%
35389
53%
**08
98%
[Vihtavuori N560]*
<<locked>>
84%
36941
55%
**71
90%
[Vihtavuori N565]*
<<locked>>
88%
36230
54%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
45121
68%
**56
100%
Winchester 760
<<locked>>
81%
51010
76%
**40
99%
Winchester StaBALL HD
<<locked>>
81%
26643
40%
**00
97%

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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