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

Recommended Powder(s): Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD

7 mm Blaser Mag + .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 Blaser Mag load data
Case Length (l3):
2.303" | 58.5mm
Cartridge Length (C.O.L.):
3.250" | 82.6mm
Seated Depth:
0.433" | 11.0mm
Shank Seated Depth:
0.312" | 7.9mm
Case Capacity:
82.5 Grains of Water | 5.36 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
60916 psi | 4200 bar
LID:
LID_B2626_C1050
Last updated:
2025-01-01
Recommended Twist Rate:
1:10 - 1:8

Load data for 136 loads in caliber 7 mm Blaser Mag with .284 | 139gr | Hornady GMX bullet and 68 powders such as Alliant Reloder-26, Ramshot Hunter, ReloadSwiss RS 70, Vihtavuori N555, Winchester StaBALL HD. 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 2208
<<locked>>
83%
54172
89%
**69
100%
ADI AR 2209
<<locked>>
94%
54752
90%
**71
98%
ADI AR 2213
<<locked>>
97%
53127
87%
**71
97%
[ADI AR 2225]*
<<locked>>
97%
34621
57%
**97
93%
Accurate 2700
<<locked>>
84%
54636
90%
**30
99%
Accurate 3100
<<locked>>
97%
53243
87%
**86
100%
Accurate 4350
<<locked>>
89%
54186
89%
**25
100%
[Accurate MAGPRO]*
<<locked>>
97%
51880
85%
**58
94%
Alliant Reloder-16
<<locked>>
90%
54824
90%
**91
100%
Alliant Reloder-17
<<locked>>
86%
54621
90%
**84
100%
Alliant Reloder-19
<<locked>>
94%
54230
89%
**58
98%
Alliant Reloder-22
<<locked>>
97%
52620
86%
**68
98%
Alliant Reloder-23
<<locked>>
97%
49922
82%
**02
100%
Alliant Reloder-25
<<locked>>
97%
43642
72%
**33
99%
Alliant Reloder-26 👍
<<locked>>
95%
54549
90%
**59
100%
Hodgdon H414
<<locked>>
85%
54143
89%
**51
99%
Hodgdon H4350
<<locked>>
92%
54650
90%
**05
99%
Hodgdon H4831
<<locked>>
97%
48965
80%
**40
95%
Hodgdon H4831 SC
<<locked>>
96%
54244
89%
**31
96%
Hodgdon Hybrid 100V
<<locked>>
92%
54375
89%
**99
100%
Hodgdon LVR
<<locked>>
87%
54592
90%
**31
100%
[Hodgdon Retumbo]*
<<locked>>
97%
34621
57%
**97
93%
Hodgdon Superperformance
<<locked>>
87%
54346
89%
**84
99%
Hodgdon VARGET
<<locked>>
84%
54694
90%
**72
100%
Hodgdon TrailBoss
<<locked>>
97%
35244
58%
**77
100%
IMR 4064
<<locked>>
84%
54360
89%
**66
100%
IMR 4166 Enduron
<<locked>>
85%
54157
89%
**56
99%
IMR 4350
<<locked>>
90%
54215
89%
**99
99%
IMR 4451 Enduron
<<locked>>
86%
54752
90%
**92
99%
IMR 4831
<<locked>>
94%
54607
90%
**25
100%
IMR 4955 Enduron
<<locked>>
96%
54215
89%
**95
96%
IMR 7828 SSC
<<locked>>
96%
54375
89%
**10
97%
Lovex S065
<<locked>>
88%
54766
90%
**79
100%
Lovex S070
<<locked>>
89%
54215
89%
**92
99%
Lovex S071
<<locked>>
97%
44396
73%
**35
98%
Norma 204
<<locked>>
90%
54476
89%
**45
98%
Norma MRP
<<locked>>
96%
54201
89%
**33
99%
Norma URP
<<locked>>
89%
54592
90%
**45
100%
Ramshot Hunter 👍
<<locked>>
90%
54447
89%
**58
100%
Ramshot Magnum
<<locked>>
97%
51750
85%
**41
98%
ReloadSwiss RS 14
<<locked>>
96%
35708
59%
**19
100%
ReloadSwiss RS 60
<<locked>>
86%
54288
89%
**00
100%
ReloadSwiss RS 62
<<locked>>
89%
54752
90%
**64
100%
ReloadSwiss RS 70 👍
<<locked>>
90%
54824
90%
**17
100%
ReloadSwiss RS 76
<<locked>>
97%
41916
69%
**30
97%
Rottweil R 903
<<locked>>
84%
54273
89%
**82
100%
Rottweil R 904
<<locked>>
93%
54389
89%
**12
97%
Rottweil R 905
<<locked>>
95%
54375
89%
**61
98%
Rottweil R 907
<<locked>>
87%
54578
90%
**82
99%
SNPE Vectan SP 11
<<locked>>
84%
54766
90%
**18
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
54317
89%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
54810
90%
**40
99%
Shooters World Long Rifle
<<locked>>
88%
54766
90%
**79
100%
Somchem S355
<<locked>>
84%
54172
89%
**79
100%
Somchem S361
<<locked>>
92%
54433
89%
**69
96%
Somchem S365
<<locked>>
92%
54679
90%
**51
100%
Somchem S385
<<locked>>
95%
54563
90%
**25
99%
Vihtavuori N135
<<locked>>
85%
54665
90%
**94
100%
Vihtavuori N150
<<locked>>
89%
54766
90%
**40
100%
Vihtavuori N160
<<locked>>
87%
54491
89%
**02
100%
Vihtavuori N165
<<locked>>
97%
48863
80%
**13
98%
Vihtavuori N550
<<locked>>
87%
54476
89%
**38
100%
Vihtavuori N555 👍
<<locked>>
96%
54244
89%
**68
100%
Vihtavuori N560
<<locked>>
97%
52547
86%
**87
96%
[Vihtavuori N565]*
<<locked>>
97%
45266
74%
**30
94%
Winchester 6.5 StaBALL
<<locked>>
88%
54375
89%
**66
100%
Winchester 760
<<locked>>
85%
54143
89%
**51
99%
Winchester StaBALL HD 👍
<<locked>>
97%
45643
75%
**68
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
50589
83%
**10
100%
[ADI AR 2209]*
<<locked>>
81%
35360
58%
**57
92%
[ADI AR 2213]*
<<locked>>
85%
35911
59%
**90
90%
[ADI AR 2225]*
<<locked>>
92%
30168
50%
**59
90%
Accurate 2700
<<locked>>
81%
48979
80%
**38
98%
[Accurate 3100]*
<<locked>>
81%
30966
51%
**20
94%
Accurate 4350
<<locked>>
81%
42003
69%
**05
99%
[Accurate MAGPRO]*
<<locked>>
89%
40001
66%
**15
90%
Alliant Reloder-16
<<locked>>
81%
40277
66%
**15
99%
Alliant Reloder-17
<<locked>>
81%
46398
76%
**46
100%
[Alliant Reloder-19]*
<<locked>>
81%
35273
58%
**51
92%
[Alliant Reloder-22]*
<<locked>>
81%
31502
52%
**85
90%
Alliant Reloder-23
<<locked>>
81%
29762
49%
**46
97%
[Alliant Reloder-25]*
<<locked>>
81%
26252
43%
**28
90%
Alliant Reloder-26
<<locked>>
81%
31952
52%
**67
96%
Hodgdon H414
<<locked>>
81%
47659
78%
**36
98%
Hodgdon H4350
<<locked>>
81%
38957
64%
**94
95%
[Hodgdon H4831]*
<<locked>>
88%
37159
61%
**74
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
37159
61%
**74
90%
Hodgdon Hybrid 100V
<<locked>>
81%
37811
62%
**90
99%
Hodgdon LVR
<<locked>>
81%
44483
73%
**51
99%
[Hodgdon Retumbo]*
<<locked>>
92%
30168
50%
**59
90%
Hodgdon Superperformance
<<locked>>
81%
42975
71%
**67
97%
Hodgdon VARGET
<<locked>>
81%
50212
82%
**04
100%
Hodgdon TrailBoss
<<locked>>
81%
28007
46%
**19
100%
IMR 4064
<<locked>>
81%
49850
82%
**84
100%
IMR 4166 Enduron
<<locked>>
81%
48399
79%
**51
98%
IMR 4350
<<locked>>
81%
40930
67%
**33
96%
IMR 4451 Enduron
<<locked>>
81%
46978
77%
**51
98%
IMR 4831
<<locked>>
81%
36260
60%
**64
98%
[IMR 4955 Enduron]*
<<locked>>
83%
36056
59%
**18
90%
[IMR 7828 SSC]*
<<locked>>
84%
36042
59%
**03
90%
Lovex S065
<<locked>>
81%
44469
73%
**92
98%
Lovex S070
<<locked>>
81%
42670
70%
**76
97%
[Lovex S071]*
<<locked>>
81%
26600
44%
**92
91%
[Norma 204]*
<<locked>>
81%
40625
67%
**62
94%
[Norma MRP]*
<<locked>>
81%
32285
53%
**44
93%
Norma URP
<<locked>>
81%
41437
68%
**95
99%
Ramshot Hunter
<<locked>>
81%
40234
66%
**82
97%
[Ramshot Magnum]*
<<locked>>
83%
30414
50%
**39
90%
ReloadSwiss RS 14
<<locked>>
81%
28485
47%
**59
100%
ReloadSwiss RS 60
<<locked>>
81%
44628
73%
**33
100%
ReloadSwiss RS 62
<<locked>>
81%
41495
68%
**12
99%
ReloadSwiss RS 70
<<locked>>
81%
40364
66%
**35
98%
[ReloadSwiss RS 76]*
<<locked>>
88%
30734
50%
**02
90%
Rottweil R 903
<<locked>>
81%
49139
81%
**94
100%
[Rottweil R 904]*
<<locked>>
81%
36767
60%
**38
91%
[Rottweil R 905]*
<<locked>>
81%
34243
56%
**35
92%
Rottweil R 907
<<locked>>
81%
45469
75%
**18
97%
SNPE Vectan SP 11
<<locked>>
81%
50328
83%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49893
82%
**85
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43555
71%
**33
97%
Shooters World Long Rifle
<<locked>>
81%
44469
73%
**92
98%
Somchem S355
<<locked>>
81%
49226
81%
**87
100%
[Somchem S361]*
<<locked>>
81%
37434
61%
**28
91%
Somchem S365
<<locked>>
81%
37884
62%
**46
100%
[Somchem S385]*
<<locked>>
81%
34896
57%
**18
93%
Vihtavuori N135
<<locked>>
81%
47921
79%
**92
100%
Vihtavuori N150
<<locked>>
81%
42119
69%
**23
100%
Vihtavuori N160
<<locked>>
81%
44527
73%
**22
99%
[Vihtavuori N165]*
<<locked>>
81%
29689
49%
**70
90%
Vihtavuori N550
<<locked>>
81%
45266
74%
**67
99%
Vihtavuori N555
<<locked>>
81%
33185
54%
**38
97%
[Vihtavuori N560]*
<<locked>>
86%
36666
60%
**33
90%
[Vihtavuori N565]*
<<locked>>
90%
35317
58%
**00
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41901
69%
**62
100%
Winchester 760
<<locked>>
81%
47659
78%
**36
98%
Winchester StaBALL HD
<<locked>>
81%
23786
39%
**20
96%

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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