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Load data for 7 mm STW + .284 | 160gr | Winchester FailSafe

Recommended Powder(s): ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565

7 mm STW + .284 | 160gr | Winchester FailSafe

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Winchester FailSafe
Bullet Weight:
160gr | 10.4g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.268" | 32.2mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.523" | 13.3mm
Shank Seated Depth:
0.523" | 13.3mm
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_B6625_C1066
Last updated:
2025-01-01

Load data for 104 loads in caliber 7 mm STW with .284 | 160gr | Winchester FailSafe bullet and 52 powders such as ADI AR 2213, Accurate MAGPRO, ReloadSwiss RS 76, Vihtavuori N560, Vihtavuori N565. 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>>
88%
59944
90%
**46
100%
ADI AR 2213 👍
<<locked>>
90%
59930
90%
**76
100%
ADI AR 2217
<<locked>>
97%
55550
83%
**10
100%
ADI AR 2218
<<locked>>
97%
48428
73%
**74
96%
ADI AR 2225
<<locked>>
97%
50154
75%
**64
100%
Accurate 3100
<<locked>>
90%
59959
90%
**71
100%
Accurate MAGPRO 👍
<<locked>>
90%
59886
90%
**95
99%
Alliant Reloder-16
<<locked>>
83%
59741
90%
**30
100%
Alliant Reloder-19
<<locked>>
88%
60002
90%
**43
100%
Alliant Reloder-22
<<locked>>
90%
59756
90%
**59
100%
Alliant Reloder-23
<<locked>>
91%
59640
89%
**97
100%
Alliant Reloder-25
<<locked>>
95%
59770
90%
**69
100%
Alliant Reloder-26
<<locked>>
87%
59785
90%
**82
100%
Alliant Reloder-33
<<locked>>
97%
53316
80%
**30
97%
[Alliant Reloder-50]*
<<locked>>
97%
45179
68%
**72
94%
Hodgdon H1000
<<locked>>
97%
55550
83%
**10
100%
Hodgdon H4350
<<locked>>
86%
59553
89%
**84
100%
Hodgdon H4831
<<locked>>
93%
59350
89%
**20
99%
Hodgdon H4831 SC
<<locked>>
89%
59727
90%
**20
99%
Hodgdon Hybrid 100V
<<locked>>
85%
59712
89%
**41
100%
Hodgdon Retumbo
<<locked>>
97%
50154
75%
**64
100%
Hodgdon TrailBoss
<<locked>>
97%
36216
54%
**18
100%
IMR 4350
<<locked>>
84%
59538
89%
**81
100%
IMR 4831
<<locked>>
87%
59799
90%
**71
100%
IMR 4955 Enduron
<<locked>>
91%
59814
90%
**97
100%
IMR 7828 SSC
<<locked>>
89%
59799
90%
**89
100%
IMR 7977 Enduron
<<locked>>
95%
59872
90%
**58
95%
IMR 8133 Enduron
<<locked>>
97%
46528
70%
**92
98%
[Lovex D100]*
<<locked>>
97%
55230
83%
**22
93%
Lovex S071
<<locked>>
95%
59509
89%
**67
100%
Norma 204
<<locked>>
84%
59901
90%
**23
100%
Norma 217
<<locked>>
97%
46775
70%
**05
100%
Norma MRP
<<locked>>
88%
59596
89%
**79
100%
Ramshot Hunter
<<locked>>
84%
59959
90%
**20
100%
Ramshot Magnum
<<locked>>
90%
59770
90%
**43
100%
ReloadSwiss RS 14
<<locked>>
96%
36854
55%
**54
100%
ReloadSwiss RS 76 👍
<<locked>>
95%
59959
90%
**51
100%
ReloadSwiss RS 80
<<locked>>
97%
59059
89%
**05
99%
Rottweil R 904
<<locked>>
87%
59553
89%
**97
100%
Rottweil R 905
<<locked>>
88%
59872
90%
**36
100%
Somchem S361
<<locked>>
86%
59799
90%
**67
99%
Somchem S365
<<locked>>
84%
59698
89%
**81
100%
Somchem S385
<<locked>>
87%
59335
89%
**94
100%
Vihtavuori N150
<<locked>>
83%
59364
89%
**89
100%
Vihtavuori N165
<<locked>>
93%
59886
90%
**87
100%
Vihtavuori N170
<<locked>>
97%
52069
78%
**89
95%
Vihtavuori N555
<<locked>>
88%
59538
89%
**97
100%
Vihtavuori N560 👍
<<locked>>
90%
59640
89%
**92
100%
Vihtavuori N565 👍
<<locked>>
94%
59944
90%
**69
100%
Vihtavuori N568
<<locked>>
97%
59292
89%
**09
99%
Vihtavuori N570
<<locked>>
97%
56594
85%
**02
97%
Winchester StaBALL HD
<<locked>>
91%
59843
90%
**89
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
48327
72%
**59
99%
ADI AR 2213
<<locked>>
81%
43453
65%
**00
97%
[ADI AR 2217]*
<<locked>>
81%
32343
48%
**34
93%
[ADI AR 2218]*
<<locked>>
90%
38232
57%
**25
90%
ADI AR 2225
<<locked>>
81%
29733
45%
**08
95%
Accurate 3100
<<locked>>
81%
44309
66%
**31
100%
Accurate MAGPRO
<<locked>>
81%
43395
65%
**94
95%
Alliant Reloder-16
<<locked>>
81%
55317
83%
**67
100%
Alliant Reloder-19
<<locked>>
81%
48109
72%
**49
99%
Alliant Reloder-22
<<locked>>
81%
44208
66%
**03
99%
Alliant Reloder-23
<<locked>>
81%
42859
64%
**51
100%
Alliant Reloder-25
<<locked>>
81%
37115
56%
**82
99%
Alliant Reloder-26
<<locked>>
81%
48428
73%
**12
100%
[Alliant Reloder-33]*
<<locked>>
86%
35839
54%
**72
90%
[Alliant Reloder-50]*
<<locked>>
91%
36825
55%
**82
90%
[Hodgdon H1000]*
<<locked>>
81%
32343
48%
**34
93%
Hodgdon H4350
<<locked>>
81%
51648
77%
**59
100%
Hodgdon H4831
<<locked>>
81%
40712
61%
**89
96%
Hodgdon H4831 SC
<<locked>>
81%
45382
68%
**84
97%
Hodgdon Hybrid 100V
<<locked>>
81%
51996
78%
**43
100%
Hodgdon Retumbo
<<locked>>
81%
29733
45%
**08
95%
Hodgdon TrailBoss
<<locked>>
81%
28906
43%
**63
100%
IMR 4350
<<locked>>
81%
54056
81%
**99
100%
IMR 4831
<<locked>>
81%
49763
75%
**26
100%
IMR 4955 Enduron
<<locked>>
81%
44367
67%
**35
97%
IMR 7828 SSC
<<locked>>
81%
44933
67%
**36
98%
[IMR 7977 Enduron]*
<<locked>>
86%
43569
65%
**82
90%
[IMR 8133 Enduron]*
<<locked>>
81%
27673
41%
**33
90%
[Lovex D100]*
<<locked>>
93%
48124
72%
**94
90%
Lovex S071
<<locked>>
81%
38421
58%
**16
99%
Norma 204
<<locked>>
81%
54998
82%
**48
100%
[Norma 217]*
<<locked>>
81%
27354
41%
**46
93%
Norma MRP
<<locked>>
81%
46949
70%
**82
100%
Ramshot Hunter
<<locked>>
81%
54984
82%
**48
100%
Ramshot Magnum
<<locked>>
81%
41829
63%
**48
99%
ReloadSwiss RS 14
<<locked>>
81%
29515
44%
**99
100%
ReloadSwiss RS 76
<<locked>>
81%
35520
53%
**92
98%
[ReloadSwiss RS 80]*
<<locked>>
81%
32416
49%
**74
91%
Rottweil R 904
<<locked>>
81%
49110
74%
**36
99%
Rottweil R 905
<<locked>>
81%
47950
72%
**40
99%
Somchem S361
<<locked>>
81%
50270
75%
**23
98%
Somchem S365
<<locked>>
81%
54027
81%
**99
100%
Somchem S385
<<locked>>
81%
48327
72%
**17
100%
Vihtavuori N150
<<locked>>
81%
55434
83%
**33
100%
Vihtavuori N165
<<locked>>
81%
40886
61%
**72
98%
[Vihtavuori N170]*
<<locked>>
88%
38928
58%
**33
90%
Vihtavuori N555
<<locked>>
81%
47732
72%
**26
100%
Vihtavuori N560
<<locked>>
81%
44150
66%
**20
97%
Vihtavuori N565
<<locked>>
81%
38856
58%
**89
96%
[Vihtavuori N568]*
<<locked>>
81%
33808
51%
**03
91%
[Vihtavuori N570]*
<<locked>>
85%
36579
55%
**98
90%
Winchester StaBALL HD
<<locked>>
81%
40785
61%
**00
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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