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Load data for 7 mm STW + .284 | 175gr | Sierra SBT GameKing

Recommended Powder(s): ADI AR 2217, Hodgdon H1000, Hodgdon H4831, Vihtavuori N565, Vihtavuori N570

7 mm STW + .284 | 175gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Sierra SBT GameKing
Manufacturer SKU:
1940
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.394" | 35.4mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.649" | 16.5mm
Shank Seated Depth:
0.424" | 10.8mm
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_B5854_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:9

Load data for 102 loads in caliber 7 mm STW with .284 | 175gr | Sierra SBT GameKing bullet and 51 powders such as ADI AR 2217, Hodgdon H1000, Hodgdon H4831, Vihtavuori N565, Vihtavuori N570. 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>>
86%
59770
90%
**35
100%
ADI AR 2213
<<locked>>
89%
59306
89%
**61
100%
ADI AR 2217 👍
<<locked>>
97%
57841
87%
**41
100%
ADI AR 2218
<<locked>>
97%
50169
75%
**18
97%
ADI AR 2225
<<locked>>
97%
52373
79%
**95
100%
Accurate 3100
<<locked>>
89%
59625
89%
**62
100%
[Accurate 8700]*
<<locked>>
97%
39784
60%
**30
93%
Accurate MAGPRO
<<locked>>
89%
59495
89%
**74
99%
Alliant Reloder-19
<<locked>>
87%
59611
89%
**31
100%
Alliant Reloder-22
<<locked>>
89%
59582
89%
**51
100%
Alliant Reloder-23
<<locked>>
90%
59567
89%
**92
100%
Alliant Reloder-25
<<locked>>
94%
59495
89%
**54
100%
Alliant Reloder-26
<<locked>>
86%
59872
90%
**67
100%
Alliant Reloder-33
<<locked>>
97%
55695
83%
**67
98%
Alliant Reloder-50
<<locked>>
97%
47819
72%
**36
96%
Hodgdon H1000 👍
<<locked>>
97%
57841
87%
**41
100%
Hodgdon H4350
<<locked>>
85%
59741
90%
**79
100%
Hodgdon H4831 👍
<<locked>>
92%
60046
90%
**22
100%
Hodgdon H4831 SC
<<locked>>
88%
59509
89%
**15
100%
Hodgdon Hybrid 100V
<<locked>>
84%
59654
89%
**30
100%
Hodgdon Retumbo
<<locked>>
97%
52373
79%
**95
100%
Hodgdon TrailBoss
<<locked>>
96%
35824
54%
**32
100%
IMR 4350
<<locked>>
83%
59712
89%
**79
100%
IMR 4831
<<locked>>
86%
60002
90%
**72
100%
IMR 4955 Enduron
<<locked>>
90%
60046
90%
**95
100%
IMR 7828 SSC
<<locked>>
88%
60046
90%
**77
100%
IMR 7977 Enduron
<<locked>>
94%
59524
89%
**59
96%
IMR 8133 Enduron
<<locked>>
97%
48051
72%
**17
99%
[Lovex D100]*
<<locked>>
97%
57145
86%
**59
94%
Lovex S071
<<locked>>
94%
59930
90%
**66
100%
Norma 217
<<locked>>
97%
49530
74%
**53
100%
Norma MRP
<<locked>>
87%
59843
90%
**74
100%
[Ramshot LRT]*
<<locked>>
97%
50140
75%
**49
92%
Ramshot Magnum
<<locked>>
89%
59567
89%
**35
100%
ReloadSwiss RS 14
<<locked>>
96%
36999
55%
**75
100%
ReloadSwiss RS 76
<<locked>>
94%
59582
89%
**33
100%
ReloadSwiss RS 80
<<locked>>
96%
59973
90%
**13
100%
Rottweil R 904
<<locked>>
86%
59335
89%
**89
100%
Rottweil R 905
<<locked>>
87%
59683
89%
**25
100%
[SNPE Vectan SP 13]*
<<locked>>
97%
41814
63%
**52
93%
Somchem S361
<<locked>>
85%
59567
89%
**69
100%
Somchem S385
<<locked>>
87%
59770
90%
**85
100%
[Vihtavuori 24N41]*
<<locked>>
97%
50778
76%
**23
92%
Vihtavuori N165
<<locked>>
92%
59495
89%
**72
100%
Vihtavuori N170
<<locked>>
97%
53592
80%
**26
96%
Vihtavuori N555
<<locked>>
87%
59321
89%
**85
100%
Vihtavuori N560
<<locked>>
89%
59335
89%
**77
100%
Vihtavuori N565 👍
<<locked>>
93%
59480
89%
**54
100%
Vihtavuori N568
<<locked>>
96%
59828
90%
**10
100%
Vihtavuori N570 👍
<<locked>>
97%
59596
89%
**49
99%
Winchester StaBALL HD
<<locked>>
90%
59959
90%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
49864
75%
**90
100%
ADI AR 2213
<<locked>>
81%
45020
67%
**31
98%
ADI AR 2217
<<locked>>
81%
33518
50%
**85
95%
[ADI AR 2218]*
<<locked>>
87%
34853
52%
**70
90%
ADI AR 2225
<<locked>>
81%
30748
46%
**59
97%
Accurate 3100
<<locked>>
81%
45542
68%
**56
100%
[Accurate 8700]*
<<locked>>
93%
34490
52%
**08
90%
Accurate MAGPRO
<<locked>>
81%
44962
67%
**41
97%
Alliant Reloder-19
<<locked>>
81%
49603
74%
**80
100%
Alliant Reloder-22
<<locked>>
81%
45716
69%
**38
99%
Alliant Reloder-23
<<locked>>
81%
44440
67%
**75
100%
Alliant Reloder-25
<<locked>>
81%
38406
58%
**16
100%
Alliant Reloder-26
<<locked>>
81%
50473
76%
**36
100%
[Alliant Reloder-33]*
<<locked>>
83%
32953
49%
**15
90%
[Alliant Reloder-50]*
<<locked>>
88%
34272
51%
**44
90%
Hodgdon H1000
<<locked>>
81%
33518
50%
**85
95%
Hodgdon H4350
<<locked>>
81%
52881
79%
**80
100%
Hodgdon H4831
<<locked>>
81%
41843
63%
**20
97%
Hodgdon H4831 SC
<<locked>>
81%
46833
70%
**21
98%
Hodgdon Hybrid 100V
<<locked>>
81%
53998
81%
**61
100%
Hodgdon Retumbo
<<locked>>
81%
30748
46%
**59
97%
Hodgdon TrailBoss
<<locked>>
87%
31546
47%
**47
100%
IMR 4350
<<locked>>
81%
55506
83%
**20
100%
IMR 4831
<<locked>>
81%
51039
76%
**41
100%
IMR 4955 Enduron
<<locked>>
81%
45832
69%
**75
98%
IMR 7828 SSC
<<locked>>
81%
46615
70%
**67
99%
[IMR 7977 Enduron]*
<<locked>>
83%
40872
61%
**41
90%
[IMR 8133 Enduron]*
<<locked>>
81%
28079
42%
**70
92%
[Lovex D100]*
<<locked>>
90%
44643
67%
**52
90%
Lovex S071
<<locked>>
81%
39146
59%
**44
100%
Norma 217
<<locked>>
81%
28297
42%
**93
95%
Norma MRP
<<locked>>
81%
48762
73%
**07
100%
[Ramshot LRT]*
<<locked>>
94%
45905
69%
**74
90%
Ramshot Magnum
<<locked>>
81%
43584
65%
**85
100%
ReloadSwiss RS 14
<<locked>>
83%
30560
46%
**50
100%
ReloadSwiss RS 76
<<locked>>
81%
36999
55%
**39
99%
[ReloadSwiss RS 80]*
<<locked>>
81%
33663
50%
**28
94%
Rottweil R 904
<<locked>>
81%
50459
76%
**54
99%
Rottweil R 905
<<locked>>
81%
49371
74%
**67
100%
[SNPE Vectan SP 13]*
<<locked>>
92%
34853
52%
**02
90%
Somchem S361
<<locked>>
81%
51677
77%
**48
99%
Somchem S385
<<locked>>
81%
49835
75%
**44
100%
[Vihtavuori 24N41]*
<<locked>>
94%
46485
70%
**38
90%
Vihtavuori N165
<<locked>>
81%
42395
64%
**07
99%
[Vihtavuori N170]*
<<locked>>
85%
36042
54%
**85
90%
Vihtavuori N555
<<locked>>
81%
49211
74%
**44
100%
Vihtavuori N560
<<locked>>
81%
46079
69%
**64
98%
Vihtavuori N565
<<locked>>
81%
40118
60%
**26
97%
[Vihtavuori N568]*
<<locked>>
81%
34969
52%
**51
93%
[Vihtavuori N570]*
<<locked>>
82%
34272
51%
**48
90%
Winchester StaBALL HD
<<locked>>
81%
42786
64%
**35
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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