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Load data for 7 mm STW + .284 | 150gr | Swift Scirocco

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

7 mm STW + .284 | 150gr | Swift Scirocco

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Swift Scirocco
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.385" | 35.2mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.640" | 16.2mm
Shank Seated Depth:
0.535" | 13.6mm
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_B10839_C1066
Last updated:
2025-02-02
Recommended Twist Rate:
1:10 - 1:8

Load data for 122 loads in caliber 7 mm STW with .284 | 150gr | Swift Scirocco bullet and 61 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%
59350
89%
**12
100%
ADI AR 2213 👍
<<locked>>
92%
59538
89%
**61
100%
ADI AR 2217
<<locked>>
97%
51010
76%
**04
99%
[ADI AR 2218]*
<<locked>>
97%
44338
66%
**38
92%
ADI AR 2225
<<locked>>
97%
45832
69%
**67
100%
Accurate 3100
<<locked>>
92%
60031
90%
**56
100%
Accurate 4350
<<locked>>
84%
59582
89%
**72
100%
Accurate MAGPRO
<<locked>>
93%
59843
90%
**64
98%
Alliant Reloder-16
<<locked>>
86%
59669
89%
**12
100%
Alliant Reloder-19
<<locked>>
90%
59393
89%
**09
100%
Alliant Reloder-22 👍
<<locked>>
92%
59698
89%
**45
100%
Alliant Reloder-23
<<locked>>
94%
59495
89%
**86
100%
Alliant Reloder-25
<<locked>>
97%
57986
87%
**28
100%
Alliant Reloder-26
<<locked>>
89%
59930
90%
**74
100%
Alliant Reloder-33
<<locked>>
97%
48080
72%
**07
95%
Hodgdon H1000
<<locked>>
97%
51010
76%
**04
99%
Hodgdon H4350
<<locked>>
88%
59219
89%
**53
100%
Hodgdon H4831
<<locked>>
95%
59422
89%
**99
99%
Hodgdon H4831 SC
<<locked>>
91%
59422
89%
**99
99%
Hodgdon Hybrid 100V
<<locked>>
87%
59524
89%
**27
100%
Hodgdon LVR
<<locked>>
83%
59785
90%
**79
100%
Hodgdon Retumbo
<<locked>>
97%
45832
69%
**67
100%
Hodgdon TrailBoss
<<locked>>
97%
35998
54%
**64
100%
IMR 4350
<<locked>>
86%
59205
89%
**49
100%
IMR 4831
<<locked>>
89%
59712
90%
**63
100%
IMR 4955 Enduron
<<locked>>
92%
59364
89%
**63
99%
IMR 7828 SSC 👍
<<locked>>
91%
59799
90%
**71
100%
[IMR 7977 Enduron]*
<<locked>>
97%
58972
88%
**07
94%
IMR 8133 Enduron
<<locked>>
97%
41582
62%
**69
97%
Lovex S065
<<locked>>
84%
59727
90%
**30
100%
Lovex S070
<<locked>>
85%
59451
89%
**49
100%
Lovex S071
<<locked>>
97%
58247
87%
**33
100%
Norma 204
<<locked>>
85%
59698
89%
**92
100%
Norma 217
<<locked>>
97%
42583
64%
**12
99%
Norma MRP
<<locked>>
90%
59451
89%
**64
100%
Norma URP
<<locked>>
85%
59263
89%
**69
100%
Ramshot Hunter
<<locked>>
85%
59335
89%
**92
100%
Ramshot Magnum
<<locked>>
93%
59901
90%
**25
100%
ReloadSwiss RS 14
<<locked>>
97%
36767
55%
**06
100%
ReloadSwiss RS 62
<<locked>>
84%
59756
90%
**86
100%
ReloadSwiss RS 70
<<locked>>
85%
59625
89%
**35
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
58117
87%
**14
100%
ReloadSwiss RS 80
<<locked>>
97%
53301
80%
**92
98%
Rottweil R 904
<<locked>>
89%
59915
90%
**82
99%
Rottweil R 905
<<locked>>
90%
59277
89%
**09
100%
Rottweil R 907
<<locked>>
83%
59785
90%
**49
100%
SNPE Vectan Tubal 7000
<<locked>>
84%
59292
89%
**97
100%
Shooters World Long Rifle
<<locked>>
84%
59727
90%
**30
100%
Somchem S361
<<locked>>
88%
59480
89%
**33
99%
Somchem S365
<<locked>>
86%
59640
89%
**59
100%
Somchem S385
<<locked>>
90%
59538
89%
**69
100%
Vihtavuori N150
<<locked>>
86%
59625
89%
**71
100%
Vihtavuori N165
<<locked>>
95%
59828
90%
**59
100%
[Vihtavuori N170]*
<<locked>>
97%
47950
72%
**85
93%
Vihtavuori N555
<<locked>>
90%
59292
89%
**89
100%
Vihtavuori N560 👍
<<locked>>
92%
60031
90%
**74
99%
Vihtavuori N565
<<locked>>
96%
59857
90%
**41
99%
Vihtavuori N568
<<locked>>
97%
53722
81%
**95
98%
Vihtavuori N570
<<locked>>
97%
51953
78%
**89
95%
Winchester 6.5 StaBALL
<<locked>>
84%
59712
89%
**00
100%
Winchester StaBALL HD
<<locked>>
94%
59843
90%
**84
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
44657
67%
**62
98%
ADI AR 2213
<<locked>>
81%
39929
60%
**90
95%
[ADI AR 2217]*
<<locked>>
81%
29965
45%
**25
90%
[ADI AR 2218]*
<<locked>>
94%
40495
61%
**46
90%
[ADI AR 2225]*
<<locked>>
81%
27296
41%
**82
92%
Accurate 3100
<<locked>>
81%
40553
61%
**35
99%
Accurate 4350
<<locked>>
81%
53824
81%
**87
100%
[Accurate MAGPRO]*
<<locked>>
81%
39581
59%
**87
93%
Alliant Reloder-16
<<locked>>
81%
51111
77%
**87
100%
Alliant Reloder-19
<<locked>>
81%
44556
67%
**56
98%
Alliant Reloder-22
<<locked>>
81%
40582
61%
**10
97%
Alliant Reloder-23
<<locked>>
81%
39102
59%
**54
100%
Alliant Reloder-25
<<locked>>
81%
33881
51%
**75
98%
Alliant Reloder-26
<<locked>>
81%
43976
66%
**12
100%
[Alliant Reloder-33]*
<<locked>>
91%
38072
57%
**84
90%
[Hodgdon H1000]*
<<locked>>
81%
29965
45%
**25
90%
Hodgdon H4350
<<locked>>
81%
48153
72%
**72
99%
[Hodgdon H4831]*
<<locked>>
81%
37681
56%
**92
94%
Hodgdon H4831 SC
<<locked>>
81%
41959
63%
**84
95%
Hodgdon Hybrid 100V
<<locked>>
81%
48399
73%
**66
100%
Hodgdon LVR
<<locked>>
81%
55506
83%
**20
100%
[Hodgdon Retumbo]*
<<locked>>
81%
27296
41%
**82
92%
Hodgdon TrailBoss
<<locked>>
81%
28572
43%
**03
100%
IMR 4350
<<locked>>
81%
50604
76%
**22
100%
IMR 4831
<<locked>>
81%
46340
69%
**53
100%
IMR 4955 Enduron
<<locked>>
81%
41669
62%
**51
96%
IMR 7828 SSC
<<locked>>
81%
41278
62%
**30
96%
[IMR 7977 Enduron]*
<<locked>>
90%
47094
71%
**10
90%
[IMR 8133 Enduron]*
<<locked>>
86%
29544
44%
**61
90%
Lovex S065
<<locked>>
81%
54157
81%
**51
100%
Lovex S070
<<locked>>
81%
52765
79%
**51
100%
Lovex S071
<<locked>>
81%
35157
53%
**13
98%
Norma 204
<<locked>>
81%
51198
77%
**61
99%
[Norma 217]*
<<locked>>
83%
26049
39%
**62
90%
Norma MRP
<<locked>>
81%
43033
64%
**82
99%
Norma URP
<<locked>>
81%
52257
78%
**67
100%
Ramshot Hunter
<<locked>>
81%
51111
77%
**67
100%
Ramshot Magnum
<<locked>>
81%
38043
57%
**48
97%
ReloadSwiss RS 14
<<locked>>
81%
29312
44%
**49
100%
ReloadSwiss RS 62
<<locked>>
81%
54201
81%
**07
100%
ReloadSwiss RS 70
<<locked>>
81%
52243
78%
**23
100%
ReloadSwiss RS 76
<<locked>>
81%
32387
49%
**72
96%
[ReloadSwiss RS 80]*
<<locked>>
84%
32503
49%
**43
90%
Rottweil R 904
<<locked>>
81%
45876
69%
**43
97%
Rottweil R 905
<<locked>>
81%
44106
66%
**49
98%
Rottweil R 907
<<locked>>
81%
55637
83%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
53142
80%
**02
100%
Shooters World Long Rifle
<<locked>>
81%
54157
81%
**51
100%
Somchem S361
<<locked>>
81%
46760
70%
**30
97%
Somchem S365
<<locked>>
81%
49719
75%
**22
100%
Somchem S385
<<locked>>
81%
44744
67%
**23
99%
Vihtavuori N150
<<locked>>
81%
51938
78%
**72
100%
Vihtavuori N165
<<locked>>
81%
37811
57%
**79
97%
[Vihtavuori N170]*
<<locked>>
93%
41887
63%
**64
90%
Vihtavuori N555
<<locked>>
81%
43642
65%
**36
100%
Vihtavuori N560
<<locked>>
81%
40712
61%
**23
95%
[Vihtavuori N565]*
<<locked>>
81%
35375
53%
**75
93%
[Vihtavuori N568]*
<<locked>>
84%
33431
50%
**66
90%
[Vihtavuori N570]*
<<locked>>
89%
38740
58%
**17
90%
Winchester 6.5 StaBALL
<<locked>>
81%
53316
80%
**15
100%
Winchester StaBALL HD
<<locked>>
81%
36071
54%
**94
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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