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Load data for 7 mm STW + .284 | 165gr | Osprey Virtus

Recommended Powder(s): ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560

7 mm STW + .284 | 165gr | Osprey Virtus

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 165gr | Osprey Virtus
Manufacturer SKU:
Osprey-0.284-165
Bullet Weight:
165gr | 10.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.580" | 40.1mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.835" | 21.2mm
Shank Seated Depth:
0.551" | 14.0mm
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_B10758_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:8 - 1:7

Load data for 120 loads in caliber 7 mm STW with .284 | 165gr | Osprey Virtus bullet and 60 powders such as ADI AR 2213, Alliant Reloder-22, IMR 7828 SSC, ReloadSwiss RS 76, Vihtavuori N560. 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>>
89%
59770
90%
**07
100%
ADI AR 2213 👍
<<locked>>
92%
59292
89%
**36
100%
ADI AR 2217
<<locked>>
97%
51677
77%
**12
99%
[ADI AR 2218]*
<<locked>>
97%
44541
67%
**56
94%
ADI AR 2225
<<locked>>
97%
46238
69%
**72
100%
Accurate 3100
<<locked>>
92%
59553
89%
**31
100%
Accurate 4350
<<locked>>
84%
59669
89%
**48
100%
Accurate MAGPRO
<<locked>>
92%
59567
89%
**53
99%
Alliant Reloder-16
<<locked>>
85%
59524
89%
**87
100%
Alliant Reloder-19
<<locked>>
89%
59335
89%
**94
100%
Alliant Reloder-22 👍
<<locked>>
92%
59437
89%
**30
100%
Alliant Reloder-23
<<locked>>
93%
59538
89%
**64
100%
Alliant Reloder-25
<<locked>>
97%
58842
88%
**23
100%
Alliant Reloder-26
<<locked>>
89%
59567
89%
**46
100%
Alliant Reloder-33
<<locked>>
97%
48747
73%
**22
96%
[Alliant Reloder-50]*
<<locked>>
97%
40364
61%
**48
92%
Hodgdon H1000
<<locked>>
97%
51677
77%
**12
99%
Hodgdon H4350
<<locked>>
88%
59654
89%
**51
100%
Hodgdon H4831
<<locked>>
95%
59901
90%
**94
100%
Hodgdon H4831 SC
<<locked>>
91%
59901
90%
**94
100%
Hodgdon Hybrid 100V
<<locked>>
87%
59567
89%
**05
100%
Hodgdon Retumbo
<<locked>>
97%
46238
69%
**72
100%
Hodgdon TrailBoss
<<locked>>
96%
35549
53%
**68
100%
IMR 4350
<<locked>>
86%
59988
90%
**48
100%
IMR 4831
<<locked>>
89%
59379
89%
**35
100%
IMR 4955 Enduron
<<locked>>
92%
59698
89%
**64
100%
IMR 7828 SSC 👍
<<locked>>
91%
59814
90%
**53
100%
IMR 7977 Enduron
<<locked>>
97%
59509
89%
**15
95%
IMR 8133 Enduron
<<locked>>
97%
42134
63%
**84
98%
Lovex S065
<<locked>>
84%
59712
89%
**15
100%
Lovex S070
<<locked>>
85%
59205
89%
**38
100%
Lovex S071
<<locked>>
97%
58218
87%
**22
100%
Norma 204
<<locked>>
85%
59843
90%
**84
100%
Norma 217
<<locked>>
97%
42830
64%
**07
99%
Norma MRP
<<locked>>
90%
59741
90%
**43
100%
Norma URP
<<locked>>
85%
59146
89%
**54
100%
Ramshot Hunter
<<locked>>
85%
59538
89%
**81
100%
Ramshot Magnum
<<locked>>
92%
59799
90%
**07
100%
ReloadSwiss RS 14
<<locked>>
96%
36419
55%
**08
100%
ReloadSwiss RS 62
<<locked>>
84%
59466
89%
**67
100%
ReloadSwiss RS 70
<<locked>>
84%
59741
90%
**13
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
58958
88%
**99
100%
ReloadSwiss RS 80
<<locked>>
97%
54070
81%
**04
99%
Rottweil R 904
<<locked>>
89%
60002
90%
**74
100%
Rottweil R 905
<<locked>>
90%
59596
89%
**90
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
59698
89%
**92
100%
Shooters World Long Rifle
<<locked>>
84%
59712
89%
**15
100%
Somchem S361
<<locked>>
88%
59712
89%
**31
99%
Somchem S365
<<locked>>
86%
59495
89%
**44
100%
Somchem S385
<<locked>>
90%
59741
90%
**64
100%
Vihtavuori N150
<<locked>>
86%
60002
90%
**62
100%
Vihtavuori N165
<<locked>>
95%
59495
89%
**38
100%
[Vihtavuori N170]*
<<locked>>
97%
48051
72%
**87
94%
Vihtavuori N555
<<locked>>
90%
59756
90%
**74
100%
Vihtavuori N560 👍
<<locked>>
92%
59364
89%
**49
100%
Vihtavuori N565
<<locked>>
96%
59582
89%
**40
100%
Vihtavuori N568
<<locked>>
97%
54723
82%
**04
99%
Vihtavuori N570
<<locked>>
97%
52112
78%
**94
96%
Winchester 6.5 StaBALL
<<locked>>
84%
59538
89%
**82
100%
Winchester StaBALL HD
<<locked>>
93%
59321
89%
**56
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44933
67%
**67
99%
ADI AR 2213
<<locked>>
81%
40234
60%
**05
96%
[ADI AR 2217]*
<<locked>>
81%
29617
44%
**36
92%
[ADI AR 2218]*
<<locked>>
92%
37811
57%
**92
90%
[ADI AR 2225]*
<<locked>>
81%
26919
40%
**93
94%
Accurate 3100
<<locked>>
81%
40596
61%
**33
99%
Accurate 4350
<<locked>>
81%
54259
81%
**79
100%
[Accurate MAGPRO]*
<<locked>>
81%
39711
60%
**95
94%
Alliant Reloder-16
<<locked>>
81%
51909
78%
**85
100%
Alliant Reloder-19
<<locked>>
81%
45063
68%
**64
99%
Alliant Reloder-22
<<locked>>
81%
40683
61%
**12
98%
Alliant Reloder-23
<<locked>>
81%
39436
59%
**62
100%
Alliant Reloder-25
<<locked>>
81%
33794
51%
**87
99%
Alliant Reloder-26
<<locked>>
81%
44222
66%
**10
100%
[Alliant Reloder-33]*
<<locked>>
89%
35418
53%
**39
90%
[Alliant Reloder-50]*
<<locked>>
94%
36448
55%
**56
90%
[Hodgdon H1000]*
<<locked>>
81%
29617
44%
**36
92%
Hodgdon H4350
<<locked>>
81%
48675
73%
**77
100%
Hodgdon H4831
<<locked>>
81%
37695
57%
**93
95%
Hodgdon H4831 SC
<<locked>>
81%
42148
63%
**92
96%
Hodgdon Hybrid 100V
<<locked>>
81%
48660
73%
**57
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26919
40%
**93
94%
Hodgdon TrailBoss
<<locked>>
83%
29544
44%
**47
100%
IMR 4350
<<locked>>
81%
50792
76%
**10
100%
IMR 4831
<<locked>>
81%
46267
69%
**41
100%
IMR 4955 Enduron
<<locked>>
81%
41684
62%
**52
96%
IMR 7828 SSC
<<locked>>
81%
41539
62%
**41
97%
[IMR 7977 Enduron]*
<<locked>>
88%
43961
66%
**59
90%
[IMR 8133 Enduron]*
<<locked>>
85%
27572
41%
**10
90%
Lovex S065
<<locked>>
81%
54578
82%
**46
100%
Lovex S070
<<locked>>
81%
52866
79%
**46
100%
Lovex S071
<<locked>>
81%
34534
52%
**08
98%
Norma 204
<<locked>>
81%
51750
78%
**62
100%
[Norma 217]*
<<locked>>
81%
24120
36%
**21
90%
Norma MRP
<<locked>>
81%
43004
64%
**74
99%
Norma URP
<<locked>>
81%
52504
79%
**62
100%
Ramshot Hunter
<<locked>>
81%
51619
77%
**62
100%
Ramshot Magnum
<<locked>>
81%
38072
57%
**52
98%
ReloadSwiss RS 14
<<locked>>
81%
29254
44%
**60
100%
ReloadSwiss RS 62
<<locked>>
81%
54331
81%
**99
100%
ReloadSwiss RS 70
<<locked>>
81%
52866
79%
**25
100%
ReloadSwiss RS 76
<<locked>>
81%
32140
48%
**84
97%
[ReloadSwiss RS 80]*
<<locked>>
82%
30095
45%
**98
90%
Rottweil R 904
<<locked>>
81%
46209
69%
**51
98%
Rottweil R 905
<<locked>>
81%
44251
66%
**51
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
53272
80%
**00
100%
Shooters World Long Rifle
<<locked>>
81%
54578
82%
**46
100%
Somchem S361
<<locked>>
81%
46905
70%
**38
98%
Somchem S365
<<locked>>
81%
49879
75%
**10
100%
Somchem S385
<<locked>>
81%
44715
67%
**21
99%
Vihtavuori N150
<<locked>>
81%
51996
78%
**57
100%
Vihtavuori N165
<<locked>>
81%
37724
57%
**77
98%
[Vihtavuori N170]*
<<locked>>
91%
38914
58%
**10
90%
Vihtavuori N555
<<locked>>
81%
43932
66%
**31
100%
Vihtavuori N560
<<locked>>
81%
40683
61%
**31
96%
[Vihtavuori N565]*
<<locked>>
81%
35230
53%
**80
94%
[Vihtavuori N568]*
<<locked>>
82%
31357
47%
**25
90%
[Vihtavuori N570]*
<<locked>>
87%
36260
54%
**69
90%
Winchester 6.5 StaBALL
<<locked>>
81%
53664
80%
**03
100%
Winchester StaBALL HD
<<locked>>
81%
36492
55%
**95
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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