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Load data for 7 mm STW + .284 | 120gr | Sierra SPT Pro-Hunter

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385

7 mm STW + .284 | 120gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 120gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1900
Bullet Weight:
120gr | 7.8g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.900" | 22.9mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.155" | 3.9mm
Shank Seated Depth:
0.155" | 3.9mm
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_B5835_C1066
Last updated:
2025-01-01

Load data for 128 loads in caliber 7 mm STW with .284 | 120gr | Sierra SPT Pro-Hunter bullet and 64 powders such as ADI AR 2209, Alliant Reloder-19, Norma MRP, Rottweil R 905, Somchem S385. 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>>
92%
59596
89%
**87
99%
ADI AR 2213
<<locked>>
95%
59524
89%
**27
98%
ADI AR 2217
<<locked>>
97%
46717
70%
**71
96%
ADI AR 2225
<<locked>>
97%
42366
63%
**28
98%
Accurate 2700
<<locked>>
83%
59582
89%
**76
100%
Accurate 3100
<<locked>>
95%
59814
90%
**19
100%
Accurate 4350
<<locked>>
86%
59466
89%
**55
100%
Accurate MAGPRO
<<locked>>
95%
59437
89%
**23
97%
Alliant Reloder-16
<<locked>>
88%
59625
89%
**04
100%
Alliant Reloder-19 👍
<<locked>>
92%
59437
89%
**91
99%
Alliant Reloder-22
<<locked>>
95%
59495
89%
**07
99%
Alliant Reloder-23
<<locked>>
96%
59872
90%
**78
100%
Alliant Reloder-25
<<locked>>
97%
52881
79%
**22
100%
Alliant Reloder-26
<<locked>>
92%
60046
90%
**43
100%
Hodgdon H1000
<<locked>>
97%
46717
70%
**71
96%
Hodgdon H4350
<<locked>>
90%
59669
89%
**38
100%
Hodgdon H4831
<<locked>>
97%
59030
88%
**45
98%
Hodgdon H4831 SC
<<locked>>
94%
59872
90%
**61
98%
Hodgdon Hybrid 100V
<<locked>>
90%
59698
89%
**12
100%
Hodgdon LVR
<<locked>>
85%
59582
89%
**58
100%
Hodgdon Retumbo
<<locked>>
97%
42366
63%
**28
98%
Hodgdon Superperformance
<<locked>>
85%
59553
89%
**94
100%
Hodgdon TrailBoss
<<locked>>
97%
35491
53%
**83
100%
IMR 4166 Enduron
<<locked>>
84%
59872
90%
**25
100%
IMR 4350
<<locked>>
88%
60002
90%
**35
100%
IMR 4451 Enduron
<<locked>>
85%
59698
89%
**41
100%
IMR 4831
<<locked>>
91%
59379
89%
**35
100%
IMR 4955 Enduron
<<locked>>
94%
59422
89%
**32
98%
IMR 7828 SSC
<<locked>>
94%
59857
90%
**46
99%
[IMR 8133 Enduron]*
<<locked>>
97%
37898
57%
**97
92%
Lovex S065
<<locked>>
86%
60046
90%
**28
100%
Lovex S070
<<locked>>
87%
59553
89%
**35
100%
Lovex S071
<<locked>>
97%
53519
80%
**33
100%
Norma 204
<<locked>>
87%
59596
89%
**74
99%
Norma 217
<<locked>>
97%
37971
57%
**23
95%
Norma MRP 👍
<<locked>>
92%
59480
89%
**33
100%
Norma URP
<<locked>>
87%
59814
90%
**64
100%
Ramshot Hunter
<<locked>>
88%
59741
90%
**87
100%
Ramshot Magnum
<<locked>>
95%
59538
89%
**84
100%
ReloadSwiss RS 14
<<locked>>
96%
36158
54%
**29
100%
ReloadSwiss RS 60
<<locked>>
84%
59741
90%
**17
100%
ReloadSwiss RS 62
<<locked>>
86%
59538
89%
**68
100%
ReloadSwiss RS 70
<<locked>>
87%
59872
90%
**33
100%
ReloadSwiss RS 76
<<locked>>
97%
52924
79%
**84
100%
ReloadSwiss RS 80
<<locked>>
97%
48501
73%
**46
95%
Rottweil R 904
<<locked>>
91%
59930
90%
**48
98%
Rottweil R 905 👍
<<locked>>
92%
59930
90%
**97
99%
Rottweil R 907
<<locked>>
85%
59654
89%
**25
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
60017
90%
**82
100%
Shooters World Long Rifle
<<locked>>
86%
60046
90%
**28
100%
Somchem S361
<<locked>>
90%
59930
90%
**09
98%
Somchem S365
<<locked>>
89%
59741
90%
**58
100%
Somchem S385 👍
<<locked>>
92%
59944
90%
**48
100%
Vihtavuori N135
<<locked>>
84%
59785
90%
**17
100%
Vihtavuori N150
<<locked>>
88%
59944
90%
**63
100%
Vihtavuori N160
<<locked>>
85%
59248
89%
**19
100%
Vihtavuori N165
<<locked>>
97%
58668
88%
**12
99%
Vihtavuori N550
<<locked>>
85%
59814
90%
**71
100%
Vihtavuori N555
<<locked>>
93%
59379
89%
**64
100%
Vihtavuori N560
<<locked>>
94%
59654
89%
**43
98%
Vihtavuori N565
<<locked>>
97%
56028
84%
**41
98%
Vihtavuori N568
<<locked>>
97%
49284
74%
**56
95%
Winchester 6.5 StaBALL
<<locked>>
86%
59509
89%
**76
100%
Winchester StaBALL HD
<<locked>>
96%
59045
88%
**60
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41133
62%
**43
95%
[ADI AR 2213]*
<<locked>>
81%
36724
55%
**44
91%
[ADI AR 2217]*
<<locked>>
88%
34838
52%
**76
90%
[ADI AR 2225]*
<<locked>>
86%
29617
44%
**51
90%
Accurate 2700
<<locked>>
81%
55680
83%
**07
99%
Accurate 3100
<<locked>>
81%
36970
55%
**89
96%
Accurate 4350
<<locked>>
81%
49458
74%
**94
100%
[Accurate MAGPRO]*
<<locked>>
83%
39233
59%
**10
90%
Alliant Reloder-16
<<locked>>
81%
47123
71%
**91
100%
Alliant Reloder-19
<<locked>>
81%
41147
62%
**23
95%
[Alliant Reloder-22]*
<<locked>>
81%
36941
55%
**48
93%
Alliant Reloder-23
<<locked>>
81%
35447
53%
**28
99%
[Alliant Reloder-25]*
<<locked>>
81%
30850
46%
**03
94%
Alliant Reloder-26
<<locked>>
81%
39682
59%
**72
99%
[Hodgdon H1000]*
<<locked>>
88%
34838
52%
**76
90%
Hodgdon H4350
<<locked>>
81%
44628
67%
**56
97%
[Hodgdon H4831]*
<<locked>>
82%
36172
54%
**85
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
38522
58%
**44
91%
Hodgdon Hybrid 100V
<<locked>>
81%
44353
66%
**66
100%
Hodgdon LVR
<<locked>>
81%
51663
77%
**30
100%
[Hodgdon Retumbo]*
<<locked>>
86%
29617
44%
**51
90%
Hodgdon Superperformance
<<locked>>
81%
51576
77%
**66
99%
Hodgdon TrailBoss
<<locked>>
81%
28166
42%
**09
100%
IMR 4166 Enduron
<<locked>>
81%
54679
82%
**30
99%
IMR 4350
<<locked>>
81%
47108
71%
**15
98%
IMR 4451 Enduron
<<locked>>
81%
53301
80%
**23
99%
IMR 4831
<<locked>>
81%
42525
64%
**33
99%
[IMR 4955 Enduron]*
<<locked>>
81%
38624
58%
**22
92%
[IMR 7828 SSC]*
<<locked>>
81%
37753
57%
**81
92%
[IMR 8133 Enduron]*
<<locked>>
94%
33968
51%
**95
90%
Lovex S065
<<locked>>
81%
50531
76%
**71
100%
Lovex S070
<<locked>>
81%
49008
73%
**54
99%
[Lovex S071]*
<<locked>>
81%
31778
48%
**51
94%
Norma 204
<<locked>>
81%
47398
71%
**51
97%
[Norma 217]*
<<locked>>
90%
30269
45%
**94
90%
Norma MRP
<<locked>>
81%
38812
58%
**27
96%
Norma URP
<<locked>>
81%
48225
72%
**74
100%
Ramshot Hunter
<<locked>>
81%
47340
71%
**68
99%
[Ramshot Magnum]*
<<locked>>
81%
34432
52%
**66
93%
ReloadSwiss RS 14
<<locked>>
81%
28834
43%
**55
100%
ReloadSwiss RS 60
<<locked>>
81%
53403
80%
**19
100%
ReloadSwiss RS 62
<<locked>>
81%
49777
75%
**17
100%
ReloadSwiss RS 70
<<locked>>
81%
47921
72%
**30
100%
[ReloadSwiss RS 76]*
<<locked>>
82%
30110
45%
**90
90%
[ReloadSwiss RS 80]*
<<locked>>
91%
38189
57%
**13
91%
[Rottweil R 904]*
<<locked>>
81%
42467
64%
**27
94%
Rottweil R 905
<<locked>>
81%
40524
61%
**13
95%
Rottweil R 907
<<locked>>
81%
51779
78%
**00
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
49748
75%
**05
99%
Shooters World Long Rifle
<<locked>>
81%
50531
76%
**71
100%
[Somchem S361]*
<<locked>>
81%
43468
65%
**97
94%
Somchem S365
<<locked>>
81%
45498
68%
**31
100%
Somchem S385
<<locked>>
81%
41104
62%
**94
96%
Vihtavuori N135
<<locked>>
81%
54346
81%
**45
100%
Vihtavuori N150
<<locked>>
81%
48414
73%
**86
100%
Vihtavuori N160
<<locked>>
81%
52112
78%
**10
100%
[Vihtavuori N165]*
<<locked>>
81%
34476
52%
**20
93%
Vihtavuori N550
<<locked>>
81%
52533
79%
**53
100%
Vihtavuori N555
<<locked>>
81%
39711
60%
**17
99%
[Vihtavuori N560]*
<<locked>>
81%
36999
55%
**64
91%
[Vihtavuori N565]*
<<locked>>
84%
35317
53%
**02
90%
[Vihtavuori N568]*
<<locked>>
91%
39407
59%
**33
90%
Winchester 6.5 StaBALL
<<locked>>
81%
49327
74%
**25
100%
Winchester StaBALL HD
<<locked>>
81%
31502
47%
**15
99%

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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