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Load data for 7 mm STW + .284 | 150gr | Sierra SBT GameKing

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

7 mm STW + .284 | 150gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Sierra SBT GameKing
Manufacturer SKU:
1913
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.200" | 30.5mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.455" | 11.6mm
Shank Seated Depth:
0.315" | 8.0mm
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_B5843_C1066
Last updated:
2025-02-02
Recommended Twist Rate:
1:12 - 1:10

Load data for 120 loads in caliber 7 mm STW with .284 | 150gr | Sierra SBT GameKing 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%
59437
89%
**22
100%
ADI AR 2213 👍
<<locked>>
92%
59973
90%
**71
100%
ADI AR 2217
<<locked>>
97%
52504
79%
**43
99%
[ADI AR 2218]*
<<locked>>
97%
45687
68%
**77
93%
ADI AR 2225
<<locked>>
97%
47747
72%
**04
100%
Accurate 3100
<<locked>>
91%
59596
89%
**56
100%
Accurate 4350
<<locked>>
83%
59785
90%
**72
100%
Accurate MAGPRO
<<locked>>
92%
59814
90%
**74
99%
Alliant Reloder-16
<<locked>>
84%
59292
89%
**15
100%
Alliant Reloder-19
<<locked>>
89%
60017
90%
**28
100%
Alliant Reloder-22 👍
<<locked>>
91%
59509
89%
**51
100%
Alliant Reloder-23
<<locked>>
92%
59393
89%
**82
100%
Alliant Reloder-25
<<locked>>
96%
59466
89%
**58
100%
Alliant Reloder-26
<<locked>>
88%
59393
89%
**68
100%
Alliant Reloder-33
<<locked>>
97%
50067
75%
**43
95%
[Alliant Reloder-50]*
<<locked>>
97%
42467
64%
**85
92%
Hodgdon H1000
<<locked>>
97%
52504
79%
**43
99%
Hodgdon H4350
<<locked>>
87%
59872
90%
**66
100%
Hodgdon H4831
<<locked>>
94%
59422
89%
**99
99%
Hodgdon H4831 SC
<<locked>>
91%
59799
90%
**12
99%
Hodgdon Hybrid 100V
<<locked>>
87%
60031
90%
**40
100%
Hodgdon Retumbo
<<locked>>
97%
47747
72%
**04
100%
Hodgdon TrailBoss
<<locked>>
96%
35679
53%
**70
100%
IMR 4350
<<locked>>
86%
59872
90%
**63
100%
IMR 4831
<<locked>>
88%
59219
89%
**56
100%
IMR 4955 Enduron
<<locked>>
92%
59480
89%
**69
99%
IMR 7828 SSC 👍
<<locked>>
90%
59611
89%
**68
100%
[IMR 7977 Enduron]*
<<locked>>
96%
59364
89%
**27
94%
IMR 8133 Enduron
<<locked>>
97%
43961
66%
**18
97%
Lovex S065
<<locked>>
83%
59727
90%
**46
100%
Lovex S070
<<locked>>
84%
59828
90%
**63
100%
Lovex S071
<<locked>>
97%
59596
89%
**56
100%
Norma 204
<<locked>>
85%
59495
89%
**99
100%
Norma 217
<<locked>>
97%
44048
66%
**31
99%
Norma MRP
<<locked>>
89%
59277
89%
**58
100%
Norma URP
<<locked>>
84%
59799
90%
**82
100%
Ramshot Hunter
<<locked>>
85%
59219
89%
**95
100%
Ramshot Magnum
<<locked>>
92%
59611
89%
**25
100%
ReloadSwiss RS 14
<<locked>>
96%
36463
55%
**16
100%
ReloadSwiss RS 62
<<locked>>
83%
59930
90%
**92
100%
ReloadSwiss RS 70
<<locked>>
84%
60017
90%
**48
100%
ReloadSwiss RS 76 👍
<<locked>>
96%
59872
90%
**36
100%
ReloadSwiss RS 80
<<locked>>
97%
55535
83%
**38
99%
Rottweil R 904
<<locked>>
88%
59466
89%
**79
100%
Rottweil R 905
<<locked>>
89%
59959
90%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
59973
90%
**13
100%
Shooters World Long Rifle
<<locked>>
83%
59727
90%
**46
100%
Somchem S361
<<locked>>
87%
59437
89%
**43
99%
Somchem S365
<<locked>>
86%
59741
90%
**66
100%
Somchem S385
<<locked>>
89%
60031
90%
**82
100%
Vihtavuori N150
<<locked>>
85%
59712
90%
**87
100%
Vihtavuori N165
<<locked>>
94%
59843
90%
**66
100%
[Vihtavuori N170]*
<<locked>>
97%
49081
74%
**08
93%
Vihtavuori N555
<<locked>>
89%
59422
89%
**89
100%
Vihtavuori N560 👍
<<locked>>
91%
59828
90%
**81
99%
Vihtavuori N565
<<locked>>
95%
59988
90%
**61
100%
Vihtavuori N568
<<locked>>
97%
56362
84%
**41
98%
Vihtavuori N570
<<locked>>
97%
54027
81%
**28
96%
Winchester 6.5 StaBALL
<<locked>>
83%
59364
89%
**00
100%
Winchester StaBALL HD
<<locked>>
93%
60002
90%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
46079
69%
**02
98%
ADI AR 2213
<<locked>>
81%
41263
62%
**33
96%
[ADI AR 2217]*
<<locked>>
81%
30618
46%
**41
91%
[ADI AR 2218]*
<<locked>>
93%
39697
60%
**36
90%
[ADI AR 2225]*
<<locked>>
81%
27949
42%
**11
93%
Accurate 3100
<<locked>>
81%
41916
63%
**64
99%
Accurate 4350
<<locked>>
81%
55463
83%
**10
100%
[Accurate MAGPRO]*
<<locked>>
81%
41176
62%
**26
94%
Alliant Reloder-16
<<locked>>
81%
53026
79%
**20
100%
Alliant Reloder-19
<<locked>>
81%
46006
69%
**85
98%
Alliant Reloder-22
<<locked>>
81%
41814
63%
**33
98%
Alliant Reloder-23
<<locked>>
81%
40567
61%
**84
100%
Alliant Reloder-25
<<locked>>
81%
35027
52%
**05
99%
Alliant Reloder-26
<<locked>>
81%
45745
69%
**51
100%
[Alliant Reloder-33]*
<<locked>>
89%
37217
56%
**71
90%
[Alliant Reloder-50]*
<<locked>>
94%
38609
58%
**94
90%
[Hodgdon H1000]*
<<locked>>
81%
30618
46%
**41
91%
Hodgdon H4350
<<locked>>
81%
49559
74%
**02
99%
[Hodgdon H4831]*
<<locked>>
81%
38812
58%
**28
94%
Hodgdon H4831 SC
<<locked>>
81%
43279
65%
**23
96%
Hodgdon Hybrid 100V
<<locked>>
81%
49850
75%
**92
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27949
42%
**11
93%
Hodgdon TrailBoss
<<locked>>
81%
28529
43%
**16
100%
IMR 4350
<<locked>>
81%
51967
78%
**44
100%
IMR 4831
<<locked>>
81%
47645
71%
**72
100%
IMR 4955 Enduron
<<locked>>
81%
42554
64%
**80
96%
IMR 7828 SSC
<<locked>>
81%
42511
64%
**66
97%
[IMR 7977 Enduron]*
<<locked>>
88%
45861
69%
**94
90%
[IMR 8133 Enduron]*
<<locked>>
85%
28935
43%
**41
90%
Lovex S065
<<locked>>
81%
55651
83%
**87
100%
Lovex S070
<<locked>>
81%
53954
81%
**74
100%
Lovex S071
<<locked>>
81%
35839
54%
**39
98%
Norma 204
<<locked>>
81%
52576
79%
**94
99%
[Norma 217]*
<<locked>>
81%
25657
38%
**46
90%
Norma MRP
<<locked>>
81%
44324
66%
**12
99%
Norma URP
<<locked>>
81%
53606
80%
**94
100%
Ramshot Hunter
<<locked>>
81%
52663
79%
**00
100%
Ramshot Magnum
<<locked>>
81%
39407
59%
**74
98%
ReloadSwiss RS 14
<<locked>>
81%
29312
44%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
55550
83%
**30
100%
ReloadSwiss RS 70
<<locked>>
81%
54215
81%
**63
100%
ReloadSwiss RS 76
<<locked>>
81%
33373
50%
**05
96%
[ReloadSwiss RS 80]*
<<locked>>
83%
32169
48%
**43
90%
Rottweil R 904
<<locked>>
81%
47021
70%
**72
98%
Rottweil R 905
<<locked>>
81%
45556
68%
**79
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
54404
82%
**35
100%
Shooters World Long Rifle
<<locked>>
81%
55651
83%
**87
100%
Somchem S361
<<locked>>
81%
48167
72%
**59
97%
Somchem S365
<<locked>>
81%
51285
77%
**51
100%
Somchem S385
<<locked>>
81%
46137
69%
**59
99%
Vihtavuori N150
<<locked>>
81%
52924
79%
**89
100%
Vihtavuori N165
<<locked>>
81%
38798
58%
**95
97%
[Vihtavuori N170]*
<<locked>>
91%
40901
61%
**48
90%
Vihtavuori N555
<<locked>>
81%
45150
68%
**66
100%
Vihtavuori N560
<<locked>>
81%
42119
63%
**53
96%
[Vihtavuori N565]*
<<locked>>
81%
36521
55%
**12
94%
[Vihtavuori N568]*
<<locked>>
82%
33156
50%
**56
90%
[Vihtavuori N570]*
<<locked>>
87%
38058
57%
**07
90%
Winchester 6.5 StaBALL
<<locked>>
81%
54578
82%
**35
100%
Winchester StaBALL HD
<<locked>>
81%
37811
57%
**26
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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