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Load data for 7 mm STW + .284 | 150gr | Hornady GMX

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

7 mm STW + .284 | 150gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Hornady GMX
Manufacturer SKU:
2828
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.453" | 36.9mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.708" | 18.0mm
Shank Seated Depth:
0.588" | 14.9mm
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_B2630_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:9 - 1:8

Load data for 124 loads in caliber 7 mm STW with .284 | 150gr | Hornady GMX bullet and 62 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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  • We recommend you limit powder range to relevant brands to speed up re-calculation of results

    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.

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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%
59509
89%
**18
100%
ADI AR 2213 👍
<<locked>>
93%
59901
90%
**54
99%
ADI AR 2217
<<locked>>
97%
49530
74%
**81
98%
ADI AR 2225
<<locked>>
97%
44991
67%
**48
100%
Accurate 3100
<<locked>>
93%
59930
90%
**53
100%
Accurate 4350
<<locked>>
85%
59553
89%
**66
100%
Accurate MAGPRO
<<locked>>
93%
59814
90%
**64
98%
Alliant Reloder-16
<<locked>>
86%
59814
90%
**15
100%
Alliant Reloder-19
<<locked>>
90%
59567
89%
**15
100%
Alliant Reloder-22 👍
<<locked>>
93%
59393
89%
**38
100%
Alliant Reloder-23
<<locked>>
94%
59538
89%
**92
100%
Alliant Reloder-25
<<locked>>
97%
56478
85%
**09
100%
Alliant Reloder-26
<<locked>>
90%
59799
90%
**74
100%
[Alliant Reloder-33]*
<<locked>>
97%
46630
70%
**84
94%
Hodgdon H1000
<<locked>>
97%
49530
74%
**81
98%
Hodgdon H4350
<<locked>>
89%
60046
90%
**66
100%
Hodgdon H4831
<<locked>>
95%
59146
89%
**92
99%
Hodgdon H4831 SC
<<locked>>
92%
59146
89%
**92
99%
Hodgdon Hybrid 100V
<<locked>>
88%
59988
90%
**33
100%
Hodgdon LVR
<<locked>>
84%
59944
90%
**82
100%
Hodgdon Retumbo
<<locked>>
97%
44991
67%
**48
100%
Hodgdon Superperformance
<<locked>>
83%
59205
89%
**22
100%
Hodgdon TrailBoss
<<locked>>
96%
35418
53%
**50
100%
IMR 4350
<<locked>>
87%
59422
89%
**53
100%
IMR 4831
<<locked>>
90%
59944
90%
**63
100%
IMR 4955 Enduron
<<locked>>
93%
59959
90%
**69
99%
IMR 7828 SSC 👍
<<locked>>
92%
59640
89%
**68
100%
[IMR 7977 Enduron]*
<<locked>>
97%
57537
86%
**87
93%
IMR 8133 Enduron
<<locked>>
97%
41002
61%
**53
96%
Lovex S065
<<locked>>
85%
59698
89%
**30
100%
Lovex S070
<<locked>>
86%
59959
90%
**56
100%
Lovex S071
<<locked>>
97%
56710
85%
**10
100%
Norma 204
<<locked>>
86%
59335
89%
**95
100%
Norma 217
<<locked>>
97%
41046
62%
**79
98%
Norma MRP
<<locked>>
91%
59292
89%
**64
100%
Norma URP
<<locked>>
86%
59727
90%
**72
100%
Ramshot Hunter
<<locked>>
86%
59828
90%
**99
100%
Ramshot Magnum
<<locked>>
93%
59640
89%
**15
100%
ReloadSwiss RS 14
<<locked>>
97%
36796
55%
**03
100%
ReloadSwiss RS 62
<<locked>>
84%
59625
89%
**82
100%
ReloadSwiss RS 70
<<locked>>
85%
59205
89%
**38
100%
ReloadSwiss RS 76 👍
<<locked>>
97%
56594
85%
**81
100%
ReloadSwiss RS 80
<<locked>>
97%
51619
77%
**72
98%
Rottweil R 904
<<locked>>
90%
59567
89%
**69
99%
Rottweil R 905
<<locked>>
90%
59611
89%
**05
100%
Rottweil R 907
<<locked>>
84%
59611
89%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
85%
59524
89%
**94
100%
Shooters World Long Rifle
<<locked>>
85%
59698
89%
**30
100%
Somchem S361
<<locked>>
89%
59451
89%
**40
99%
Somchem S365
<<locked>>
87%
59553
89%
**63
100%
Somchem S385
<<locked>>
90%
59393
89%
**66
100%
Vihtavuori N150
<<locked>>
86%
59263
89%
**71
100%
Vihtavuori N160
<<locked>>
84%
59959
90%
**43
100%
Vihtavuori N165
<<locked>>
96%
59756
90%
**59
100%
[Vihtavuori N170]*
<<locked>>
97%
46441
70%
**56
92%
Vihtavuori N555
<<locked>>
91%
59292
89%
**82
100%
Vihtavuori N560 👍
<<locked>>
93%
59741
90%
**68
99%
Vihtavuori N565
<<locked>>
97%
59567
89%
**41
99%
Vihtavuori N568
<<locked>>
97%
52808
79%
**82
97%
Vihtavuori N570
<<locked>>
97%
50154
75%
**63
95%
Winchester 6.5 StaBALL
<<locked>>
85%
59770
90%
**97
100%
Winchester StaBALL HD
<<locked>>
95%
59350
89%
**81
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
43961
66%
**56
98%
ADI AR 2213
<<locked>>
81%
39131
59%
**71
95%
[ADI AR 2217]*
<<locked>>
82%
30385
46%
**28
90%
[ADI AR 2225]*
<<locked>>
81%
26542
40%
**49
91%
Accurate 3100
<<locked>>
81%
39885
60%
**18
99%
Accurate 4350
<<locked>>
81%
52997
79%
**71
100%
[Accurate MAGPRO]*
<<locked>>
81%
38812
58%
**71
93%
Alliant Reloder-16
<<locked>>
81%
50386
76%
**74
100%
Alliant Reloder-19
<<locked>>
81%
43990
66%
**40
98%
Alliant Reloder-22
<<locked>>
81%
39494
59%
**84
97%
Alliant Reloder-23
<<locked>>
81%
38363
57%
**48
100%
Alliant Reloder-25
<<locked>>
81%
33199
50%
**66
98%
Alliant Reloder-26
<<locked>>
81%
42917
64%
**95
100%
[Alliant Reloder-33]*
<<locked>>
91%
38319
57%
**90
90%
[Hodgdon H1000]*
<<locked>>
82%
30385
46%
**28
90%
Hodgdon H4350
<<locked>>
81%
47456
71%
**66
99%
[Hodgdon H4831]*
<<locked>>
81%
36854
55%
**69
93%
Hodgdon H4831 SC
<<locked>>
81%
41017
61%
**61
95%
Hodgdon Hybrid 100V
<<locked>>
81%
47485
71%
**49
100%
Hodgdon LVR
<<locked>>
81%
54853
82%
**07
100%
[Hodgdon Retumbo]*
<<locked>>
81%
26542
40%
**49
91%
Hodgdon Superperformance
<<locked>>
81%
54853
82%
**59
100%
Hodgdon TrailBoss
<<locked>>
81%
28471
43%
**99
100%
IMR 4350
<<locked>>
81%
49922
75%
**05
99%
IMR 4831
<<locked>>
81%
45324
68%
**33
100%
IMR 4955 Enduron
<<locked>>
81%
40770
61%
**28
95%
IMR 7828 SSC
<<locked>>
81%
40335
60%
**07
95%
[IMR 7977 Enduron]*
<<locked>>
91%
47369
71%
**13
90%
[IMR 8133 Enduron]*
<<locked>>
87%
29428
44%
**54
90%
Lovex S065
<<locked>>
81%
53563
80%
**48
100%
Lovex S070
<<locked>>
81%
51677
77%
**31
100%
Lovex S071
<<locked>>
81%
34113
51%
**93
97%
Norma 204
<<locked>>
81%
50183
75%
**44
99%
[Norma 217]*
<<locked>>
83%
25991
39%
**59
90%
Norma MRP
<<locked>>
81%
41901
63%
**59
99%
Norma URP
<<locked>>
81%
51227
77%
**51
100%
Ramshot Hunter
<<locked>>
81%
50082
75%
**51
100%
Ramshot Magnum
<<locked>>
81%
37101
56%
**18
97%
ReloadSwiss RS 14
<<locked>>
81%
29240
44%
**42
100%
ReloadSwiss RS 62
<<locked>>
81%
52982
79%
**90
100%
ReloadSwiss RS 70
<<locked>>
81%
51300
77%
**13
100%
ReloadSwiss RS 76
<<locked>>
81%
31502
47%
**46
95%
[ReloadSwiss RS 80]*
<<locked>>
85%
32909
49%
**62
90%
Rottweil R 904
<<locked>>
81%
44991
67%
**23
97%
Rottweil R 905
<<locked>>
81%
43511
65%
**33
98%
Rottweil R 907
<<locked>>
81%
54534
82%
**71
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
52417
79%
**89
100%
Shooters World Long Rifle
<<locked>>
81%
53563
80%
**48
100%
Somchem S361
<<locked>>
81%
46050
69%
**10
96%
Somchem S365
<<locked>>
81%
48892
73%
**15
100%
Somchem S385
<<locked>>
81%
43874
66%
**03
98%
Vihtavuori N150
<<locked>>
81%
50894
76%
**53
100%
Vihtavuori N160
<<locked>>
81%
54984
82%
**71
100%
Vihtavuori N165
<<locked>>
81%
36999
55%
**59
96%
[Vihtavuori N170]*
<<locked>>
93%
41553
62%
**57
90%
Vihtavuori N555
<<locked>>
81%
42859
64%
**20
100%
Vihtavuori N560
<<locked>>
81%
39856
60%
**03
95%
[Vihtavuori N565]*
<<locked>>
81%
34476
52%
**52
93%
[Vihtavuori N568]*
<<locked>>
85%
33953
51%
**72
90%
[Vihtavuori N570]*
<<locked>>
90%
39508
59%
**40
90%
Winchester 6.5 StaBALL
<<locked>>
81%
52156
78%
**95
100%
Winchester StaBALL HD
<<locked>>
81%
34954
52%
**80
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.

<<locked>>... you need to buy an access license to unlock the data

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