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Load data for 7 mm STW + .284 | 140gr | Sierra SPT Pro-Hunter

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Recommended Powder(s):

7 mm STW + .284 | 140gr | Sierra SPT Pro-Hunter

Load Specifications

Bullet:
.284 | 140gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1910
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.120" | 28.4mm
Caliber:
7 mm STW
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.375" | 9.5mm
Shank Seated Depth:
0.375" | 9.5mm
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_B5840_C1066

>> Use the Personalized Load Calculator further below to adjust input parameters. 

Load data for 122 loads in caliber 7 mm STW with .284 | 140gr | Sierra SPT Pro-Hunter bullet and 61 powder(s). 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".

    • A load must fulfill certain criteria to be listed in the default view below - see here.

    • Our load data might deviate from other sources - see the most common reasons here

    • All loads are based on the bullet and case dimensions shown under "Load Specifications" - see here what to do if you deviate.

    • You can set your specifications in the "Personalized Load Calculator".

    • Go to the bottom of the "My Account " page to set the measure system (imperial vs. metric) 

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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>>
90%
59698
89%
**07
100%
ADI AR 2213
<<locked>>
93%
59973
90%
**50
99%
ADI AR 2217
<<locked>>
97%
50183
75%
**69
98%
ADI AR 2225
<<locked>>
97%
45440
68%
**40
100%
Accurate 3100
<<locked>>
93%
59828
90%
**41
100%
Accurate 4350
<<locked>>
84%
59480
89%
**64
100%
Accurate MAGPRO
<<locked>>
93%
59770
90%
**53
98%
Alliant Reloder-16
<<locked>>
86%
59756
90%
**04
100%
Alliant Reloder-19
<<locked>>
90%
59625
89%
**04
100%
Alliant Reloder-22 👍
<<locked>>
93%
59524
89%
**36
100%
Alliant Reloder-23
<<locked>>
94%
59422
89%
**71
100%
Alliant Reloder-25 👍
<<locked>>
97%
57783
87%
**17
100%
Alliant Reloder-26
<<locked>>
89%
59857
90%
**56
100%
[Alliant Reloder-33]*
<<locked>>
97%
47805
72%
**76
94%
Hodgdon H1000
<<locked>>
97%
50183
75%
**69
98%
Hodgdon H4350
<<locked>>
88%
59727
90%
**45
100%
Hodgdon H4831
<<locked>>
95%
59770
90%
**84
99%
Hodgdon H4831 SC
<<locked>>
92%
59393
89%
**84
99%
Hodgdon Hybrid 100V
<<locked>>
88%
59727
90%
**15
100%
Hodgdon LVR
<<locked>>
84%
59901
90%
**74
100%
Hodgdon Retumbo
<<locked>>
97%
45440
68%
**40
100%
Hodgdon TrailBoss
<<locked>>
96%
35447
53%
**29
100%
IMR 4350
<<locked>>
87%
59727
90%
**45
100%
IMR 4831
<<locked>>
90%
59683
89%
**45
100%
IMR 4955 Enduron
<<locked>>
93%
59930
90%
**68
99%
IMR 7828 SSC 👍
<<locked>>
92%
59683
89%
**50
99%
[IMR 7977 Enduron]*
<<locked>>
97%
57986
87%
**76
93%
IMR 8133 Enduron
<<locked>>
97%
41205
62%
**28
96%
Lovex S065
<<locked>>
84%
59712
90%
**25
100%
Lovex S070
<<locked>>
85%
59495
89%
**41
100%
Lovex S071
<<locked>>
97%
57493
86%
**02
100%
Norma 204
<<locked>>
86%
59611
89%
**91
100%
Norma 217
<<locked>>
97%
41553
62%
**61
98%
Norma MRP 👍
<<locked>>
91%
59582
89%
**56
100%
Norma URP
<<locked>>
86%
59915
90%
**71
100%
Ramshot Hunter
<<locked>>
86%
59234
89%
**77
100%
Ramshot Magnum
<<locked>>
93%
59770
90%
**04
100%
ReloadSwiss RS 14
<<locked>>
97%
36695
55%
**85
100%
ReloadSwiss RS 62
<<locked>>
84%
59451
89%
**74
100%
ReloadSwiss RS 70
<<locked>>
85%
59306
89%
**27
100%
ReloadSwiss RS 76
<<locked>>
97%
57508
86%
**79
100%
ReloadSwiss RS 80
<<locked>>
97%
52997
79%
**64
98%
Rottweil R 904
<<locked>>
90%
59843
90%
**68
99%
Rottweil R 905
<<locked>>
90%
59466
89%
**04
100%
Rottweil R 907
<<locked>>
84%
59437
89%
**31
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
59205
89%
**86
100%
Shooters World Long Rifle
<<locked>>
84%
59712
90%
**25
100%
Somchem S361
<<locked>>
89%
59886
90%
**25
99%
Somchem S365
<<locked>>
87%
59901
90%
**51
100%
Somchem S385
<<locked>>
90%
59553
89%
**58
100%
Vihtavuori N150
<<locked>>
86%
59785
90%
**69
100%
Vihtavuori N160
<<locked>>
83%
59451
89%
**28
100%
Vihtavuori N165
<<locked>>
95%
59741
90%
**41
100%
[Vihtavuori N170]*
<<locked>>
97%
47036
71%
**44
92%
Vihtavuori N555
<<locked>>
91%
59553
89%
**74
100%
Vihtavuori N560
<<locked>>
93%
59741
90%
**59
99%
Vihtavuori N565
<<locked>>
97%
59959
90%
**27
99%
Vihtavuori N568
<<locked>>
97%
53461
80%
**71
97%
Vihtavuori N570
<<locked>>
97%
51300
77%
**64
95%
Winchester 6.5 StaBALL
<<locked>>
84%
59364
89%
**82
100%
Winchester StaBALL HD
<<locked>>
94%
59567
89%
**76
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44048
66%
**35
97%
[ADI AR 2213]*
<<locked>>
81%
39450
59%
**56
94%
[ADI AR 2217]*
<<locked>>
83%
31372
47%
**26
90%
[ADI AR 2225]*
<<locked>>
81%
26731
40%
**15
90%
Accurate 3100
<<locked>>
81%
39900
60%
**00
99%
Accurate 4350
<<locked>>
81%
53011
79%
**63
100%
[Accurate MAGPRO]*
<<locked>>
81%
39001
58%
**46
92%
Alliant Reloder-16
<<locked>>
81%
50720
76%
**66
100%
Alliant Reloder-19
<<locked>>
81%
44034
66%
**28
97%
Alliant Reloder-22
<<locked>>
81%
39972
60%
**72
96%
Alliant Reloder-23
<<locked>>
81%
38522
58%
**26
100%
Alliant Reloder-25
<<locked>>
81%
33272
50%
**35
97%
Alliant Reloder-26
<<locked>>
81%
43207
65%
**84
100%
[Alliant Reloder-33]*
<<locked>>
92%
39088
59%
**85
90%
[Hodgdon H1000]*
<<locked>>
83%
31372
47%
**26
90%
Hodgdon H4350
<<locked>>
81%
47674
71%
**54
99%
[Hodgdon H4831]*
<<locked>>
81%
37101
56%
**51
93%
[Hodgdon H4831 SC]*
<<locked>>
81%
41350
62%
**49
94%
Hodgdon Hybrid 100V
<<locked>>
81%
47732
72%
**41
100%
Hodgdon LVR
<<locked>>
81%
55027
82%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26731
40%
**15
90%
Hodgdon TrailBoss
<<locked>>
81%
28369
43%
**72
100%
IMR 4350
<<locked>>
81%
49995
75%
**97
99%
IMR 4831
<<locked>>
81%
45658
68%
**28
100%
IMR 4955 Enduron
<<locked>>
81%
40915
61%
**13
95%
IMR 7828 SSC
<<locked>>
81%
40538
61%
**99
95%
[IMR 7977 Enduron]*
<<locked>>
91%
48921
73%
**15
90%
[IMR 8133 Enduron]*
<<locked>>
88%
30690
46%
**56
90%
Lovex S065
<<locked>>
81%
53664
80%
**36
100%
Lovex S070
<<locked>>
81%
52156
78%
**30
100%
Lovex S071
<<locked>>
81%
34229
51%
**69
97%
Norma 204
<<locked>>
81%
50807
76%
**43
99%
[Norma 217]*
<<locked>>
84%
27079
41%
**57
90%
Norma MRP
<<locked>>
81%
42308
63%
**48
98%
Norma URP
<<locked>>
81%
51750
78%
**53
100%
Ramshot Hunter
<<locked>>
81%
50604
76%
**49
100%
Ramshot Magnum
<<locked>>
81%
37449
56%
**00
96%
ReloadSwiss RS 14
<<locked>>
81%
29109
44%
**14
100%
ReloadSwiss RS 62
<<locked>>
81%
53272
80%
**86
100%
ReloadSwiss RS 70
<<locked>>
81%
51677
77%
**12
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
31705
48%
**12
94%
[ReloadSwiss RS 80]*
<<locked>>
85%
33910
51%
**54
90%
Rottweil R 904
<<locked>>
81%
45136
68%
**08
97%
Rottweil R 905
<<locked>>
81%
43497
65%
**22
97%
Rottweil R 907
<<locked>>
81%
54853
82%
**63
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
52620
79%
**84
100%
Shooters World Long Rifle
<<locked>>
81%
53664
80%
**36
100%
Somchem S361
<<locked>>
81%
46267
69%
**02
96%
Somchem S365
<<locked>>
81%
49023
73%
**00
100%
Somchem S385
<<locked>>
81%
44106
66%
**89
98%
Vihtavuori N150
<<locked>>
81%
51039
76%
**44
100%
Vihtavuori N160
<<locked>>
81%
55288
83%
**63
100%
Vihtavuori N165
<<locked>>
81%
37391
56%
**38
96%
[Vihtavuori N170]*
<<locked>>
94%
43221
65%
**62
90%
Vihtavuori N555
<<locked>>
81%
43105
65%
**05
100%
[Vihtavuori N560]*
<<locked>>
81%
40016
60%
**82
94%
[Vihtavuori N565]*
<<locked>>
81%
34577
52%
**21
92%
[Vihtavuori N568]*
<<locked>>
85%
34911
52%
**74
90%
[Vihtavuori N570]*
<<locked>>
91%
40698
61%
**28
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52692
79%
**90
100%
Winchester StaBALL HD
<<locked>>
81%
35650
53%
**62
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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