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Load data for 7 mm STW + .284 | 139gr | Hornady GMX

Recommended Powder(s):

7 mm STW + .284 | 139gr | Hornady GMX

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hornady GMX
Manufacturer SKU:
28270
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.380" | 35.1mm
Caliber:
7 mm STW load data
Case Length (l3):
2.850" | 72.4mm
Cartridge Length (C.O.L.):
3.595" | 91.3mm
Seated Depth:
0.635" | 16.1mm
Shank Seated Depth:
0.515" | 13.1mm
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_B2626_C1066
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 132 loads in caliber 7 mm STW with .284 | 139gr | Hornady GMX bullet and 66 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".

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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>>
91%
59843
90%
**17
100%
ADI AR 2213
<<locked>>
94%
59712
89%
**46
99%
ADI AR 2217
<<locked>>
97%
47877
72%
**40
97%
ADI AR 2225
<<locked>>
97%
42699
64%
**84
99%
Accurate 3100
<<locked>>
94%
59872
90%
**41
100%
Accurate 4350
<<locked>>
86%
59973
90%
**74
100%
Accurate MAGPRO
<<locked>>
94%
59640
89%
**56
98%
Alliant Reloder-16
<<locked>>
87%
59379
89%
**14
100%
Alliant Reloder-19 👍
<<locked>>
92%
59698
89%
**10
100%
Alliant Reloder-22 👍
<<locked>>
94%
59828
90%
**46
100%
Alliant Reloder-23
<<locked>>
95%
59466
89%
**81
100%
Alliant Reloder-25
<<locked>>
97%
53940
81%
**68
100%
Alliant Reloder-26
<<locked>>
91%
59669
89%
**66
100%
[Alliant Reloder-33]*
<<locked>>
97%
44599
67%
**20
92%
Hodgdon H1000
<<locked>>
97%
47877
72%
**40
97%
Hodgdon H4350
<<locked>>
90%
59727
90%
**58
100%
Hodgdon H4831
<<locked>>
97%
59785
90%
**87
99%
Hodgdon H4831 SC
<<locked>>
93%
59785
90%
**87
99%
Hodgdon Hybrid 100V
<<locked>>
89%
59117
89%
**15
100%
Hodgdon LVR
<<locked>>
85%
59712
90%
**84
100%
Hodgdon Retumbo
<<locked>>
97%
42699
64%
**84
99%
Hodgdon Superperformance
<<locked>>
84%
59669
89%
**20
100%
Hodgdon TrailBoss
<<locked>>
97%
35752
54%
**26
100%
IMR 4166 Enduron
<<locked>>
83%
59915
90%
**31
100%
IMR 4350
<<locked>>
88%
59727
90%
**54
100%
IMR 4451 Enduron
<<locked>>
84%
59466
89%
**41
100%
IMR 4831
<<locked>>
91%
60002
90%
**64
100%
IMR 4955 Enduron
<<locked>>
94%
59973
90%
**64
99%
IMR 7828 SSC
<<locked>>
93%
59828
90%
**56
99%
[IMR 7977 Enduron]*
<<locked>>
97%
55883
84%
**40
92%
[IMR 8133 Enduron]*
<<locked>>
97%
38566
58%
**79
94%
Lovex S065
<<locked>>
86%
59567
89%
**31
100%
Lovex S070
<<locked>>
86%
59437
89%
**51
100%
Lovex S071
<<locked>>
97%
54795
82%
**76
100%
Norma 204
<<locked>>
87%
59234
89%
**81
99%
Norma 217
<<locked>>
97%
39030
59%
**12
97%
Norma MRP 👍
<<locked>>
92%
59480
89%
**59
100%
Norma URP
<<locked>>
87%
59843
90%
**74
100%
Ramshot Hunter
<<locked>>
87%
59640
89%
**97
100%
Ramshot Magnum 👍
<<locked>>
94%
59756
90%
**14
100%
ReloadSwiss RS 14
<<locked>>
97%
36492
55%
**69
100%
ReloadSwiss RS 60
<<locked>>
84%
59683
89%
**20
100%
ReloadSwiss RS 62
<<locked>>
85%
59161
89%
**84
100%
ReloadSwiss RS 70
<<locked>>
86%
59712
90%
**40
100%
ReloadSwiss RS 76
<<locked>>
97%
53592
80%
**30
100%
ReloadSwiss RS 80
<<locked>>
97%
49182
74%
**15
96%
Rottweil R 904
<<locked>>
91%
59321
89%
**58
99%
Rottweil R 905
<<locked>>
92%
59683
89%
**04
100%
Rottweil R 907
<<locked>>
85%
59785
90%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
86%
59248
89%
**89
100%
Shooters World Long Rifle
<<locked>>
86%
59567
89%
**31
100%
Somchem S361
<<locked>>
90%
60031
90%
**31
99%
Somchem S365
<<locked>>
88%
59698
89%
**61
100%
Somchem S385
<<locked>>
92%
59857
90%
**64
100%
Vihtavuori N135
<<locked>>
84%
59683
89%
**27
100%
Vihtavuori N150
<<locked>>
87%
59741
90%
**69
100%
Vihtavuori N160
<<locked>>
84%
59292
89%
**28
100%
Vihtavuori N165
<<locked>>
97%
59988
90%
**48
100%
Vihtavuori N550
<<locked>>
84%
59451
89%
**77
100%
Vihtavuori N555
<<locked>>
92%
59509
89%
**81
100%
Vihtavuori N560
<<locked>>
94%
59117
89%
**53
99%
Vihtavuori N565
<<locked>>
97%
56521
85%
**84
98%
Vihtavuori N568
<<locked>>
97%
49734
75%
**09
96%
[Vihtavuori N570]*
<<locked>>
97%
47921
72%
**02
93%
Winchester 6.5 StaBALL
<<locked>>
86%
59176
89%
**82
100%
Winchester StaBALL HD
<<locked>>
96%
59843
90%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
41989
63%
**95
96%
[ADI AR 2213]*
<<locked>>
81%
37608
56%
**17
93%
[ADI AR 2217]*
<<locked>>
85%
31865
48%
**49
90%
[ADI AR 2225]*
<<locked>>
83%
27050
41%
**31
90%
Accurate 3100
<<locked>>
81%
37898
57%
**64
98%
Accurate 4350
<<locked>>
81%
50444
76%
**33
100%
[Accurate MAGPRO]*
<<locked>>
81%
36956
55%
**07
91%
Alliant Reloder-16
<<locked>>
81%
48153
72%
**30
100%
Alliant Reloder-19
<<locked>>
81%
41945
63%
**89
97%
Alliant Reloder-22
<<locked>>
81%
37797
57%
**30
95%
Alliant Reloder-23
<<locked>>
81%
36274
54%
**84
100%
Alliant Reloder-25
<<locked>>
81%
31560
47%
**89
96%
Alliant Reloder-26
<<locked>>
81%
40596
61%
**48
100%
[Alliant Reloder-33]*
<<locked>>
94%
40161
60%
**15
90%
[Hodgdon H1000]*
<<locked>>
85%
31865
48%
**49
90%
Hodgdon H4350
<<locked>>
81%
45629
68%
**18
98%
[Hodgdon H4831]*
<<locked>>
81%
35491
53%
**21
92%
[Hodgdon H4831 SC]*
<<locked>>
81%
39334
59%
**10
93%
Hodgdon Hybrid 100V
<<locked>>
81%
45542
68%
**15
100%
Hodgdon LVR
<<locked>>
81%
52475
79%
**76
100%
[Hodgdon Retumbo]*
<<locked>>
83%
27050
41%
**31
90%
Hodgdon Superperformance
<<locked>>
81%
52417
79%
**09
100%
Hodgdon TrailBoss
<<locked>>
81%
28340
42%
**62
100%
IMR 4166 Enduron
<<locked>>
81%
55666
83%
**63
100%
IMR 4350
<<locked>>
81%
47877
72%
**54
99%
IMR 4451 Enduron
<<locked>>
81%
53969
81%
**59
100%
IMR 4831
<<locked>>
81%
43526
65%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
81%
39363
59%
**74
94%
[IMR 7828 SSC]*
<<locked>>
81%
38638
58%
**49
94%
[IMR 7977 Enduron]*
<<locked>>
94%
50589
76%
**44
90%
[IMR 8133 Enduron]*
<<locked>>
91%
31575
47%
**85
90%
Lovex S065
<<locked>>
81%
51503
77%
**07
100%
Lovex S070
<<locked>>
81%
50024
75%
**00
99%
Lovex S071
<<locked>>
81%
32706
49%
**36
96%
Norma 204
<<locked>>
81%
48312
72%
**00
98%
[Norma 217]*
<<locked>>
87%
27731
42%
**87
90%
Norma MRP
<<locked>>
81%
39900
60%
**02
97%
Norma URP
<<locked>>
81%
49429
74%
**23
100%
Ramshot Hunter
<<locked>>
81%
48167
72%
**13
100%
Ramshot Magnum
<<locked>>
81%
35230
53%
**57
95%
ReloadSwiss RS 14
<<locked>>
81%
29066
44%
**08
100%
ReloadSwiss RS 60
<<locked>>
81%
54476
82%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
50792
76%
**49
100%
ReloadSwiss RS 70
<<locked>>
81%
48994
73%
**69
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
30153
45%
**66
93%
[ReloadSwiss RS 80]*
<<locked>>
88%
34548
52%
**74
90%
Rottweil R 904
<<locked>>
81%
43178
65%
**69
96%
Rottweil R 905
<<locked>>
81%
41394
62%
**79
97%
Rottweil R 907
<<locked>>
81%
52823
79%
**40
99%
SNPE Vectan Tubal 7000
<<locked>>
81%
50560
76%
**54
99%
Shooters World Long Rifle
<<locked>>
81%
51503
77%
**07
100%
Somchem S361
<<locked>>
81%
44324
66%
**59
95%
Somchem S365
<<locked>>
81%
46412
70%
**67
100%
Somchem S385
<<locked>>
81%
41974
63%
**53
97%
Vihtavuori N135
<<locked>>
81%
55332
83%
**67
100%
Vihtavuori N150
<<locked>>
81%
49429
74%
**25
100%
Vihtavuori N160
<<locked>>
81%
52924
79%
**40
100%
Vihtavuori N165
<<locked>>
81%
35346
53%
**92
95%
Vihtavuori N550
<<locked>>
81%
53809
81%
**86
100%
Vihtavuori N555
<<locked>>
81%
40872
61%
**79
100%
[Vihtavuori N560]*
<<locked>>
81%
38000
57%
**46
93%
[Vihtavuori N565]*
<<locked>>
81%
32735
49%
**85
90%
[Vihtavuori N568]*
<<locked>>
88%
35752
54%
**97
90%
[Vihtavuori N570]*
<<locked>>
93%
41481
62%
**58
90%
Winchester 6.5 StaBALL
<<locked>>
81%
50328
75%
**61
100%
Winchester StaBALL HD
<<locked>>
81%
32764
49%
**17
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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