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Load data for 7 mm Blaser Mag + .284 | 140gr | Barnes X BT

Recommended Powder(s):

7 mm Blaser Mag + .284 | 140gr | Barnes X BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes X BT
Manufacturer SKU:
28426
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm Blaser Mag load data
Case Length (l3):
2.303" | 58.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
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_B566_C1050
Last updated:
2026-04-04
Recommended Twist Rate:
1:11 - 1:9

Load data for 134 loads in caliber 7 mm Blaser Mag with .284 | 140gr | Barnes X BT bullet and 67 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>>
92%
54505
89%
**45
98%
ADI AR 2213
<<locked>>
95%
54157
89%
**77
97%
[ADI AR 2217]*
<<locked>>
97%
43105
71%
**35
94%
ADI AR 2225
<<locked>>
97%
39088
64%
**05
96%
Accurate 3100
<<locked>>
94%
54810
90%
**92
100%
Accurate 4350
<<locked>>
85%
54273
89%
**05
100%
Accurate MAGPRO
<<locked>>
95%
54476
89%
**94
95%
Alliant Reloder-16
<<locked>>
88%
54563
90%
**64
100%
Alliant Reloder-17
<<locked>>
83%
54694
90%
**61
100%
Alliant Reloder-19
<<locked>>
92%
54462
89%
**45
98%
Alliant Reloder-22
<<locked>>
95%
54230
89%
**81
98%
Alliant Reloder-23
<<locked>>
96%
54346
89%
**51
100%
Alliant Reloder-25
<<locked>>
97%
47979
79%
**95
100%
Alliant Reloder-26 👍
<<locked>>
92%
54520
90%
**43
100%
[Baschieri & Pellagri 109]*
<<locked>>
95%
54085
89%
**86
94%
Bofors RP15
<<locked>>
97%
53563
88%
**74
98%
Bofors RP30
<<locked>>
97%
44411
73%
**23
95%
Bofors RP5
<<locked>>
95%
54230
89%
**81
98%
Bofors RP7
<<locked>>
84%
54462
89%
**69
99%
[Hodgdon H1000]*
<<locked>>
97%
43105
71%
**35
94%
Hodgdon H4350
<<locked>>
89%
54708
90%
**86
99%
Hodgdon H4831
<<locked>>
97%
53476
88%
**02
96%
Hodgdon H4831 SC
<<locked>>
93%
54534
90%
**18
96%
Hodgdon Hybrid 100V
<<locked>>
89%
54737
90%
**76
100%
Hodgdon LVR
<<locked>>
85%
54592
90%
**22
100%
Hodgdon Retumbo
<<locked>>
97%
39088
64%
**05
96%
Hodgdon Superperformance 👍
<<locked>>
85%
54317
89%
**61
99%
Hodgdon TrailBoss
<<locked>>
96%
35418
58%
**77
100%
IMR 4350
<<locked>>
88%
54650
90%
**82
99%
IMR 4451 Enduron
<<locked>>
84%
54592
90%
**72
99%
IMR 4831
<<locked>>
91%
54143
89%
**95
100%
IMR 4955 Enduron
<<locked>>
94%
54766
90%
**86
97%
IMR 7828 SSC
<<locked>>
94%
53809
88%
**77
97%
Lovex S065
<<locked>>
85%
54288
89%
**59
100%
Lovex S070
<<locked>>
86%
54346
89%
**79
99%
Lovex S071
<<locked>>
97%
50082
82%
**17
99%
Norma 204
<<locked>>
87%
54650
90%
**28
98%
[Norma 217]*
<<locked>>
97%
35201
58%
**26
94%
Norma MRP 👍
<<locked>>
93%
54288
89%
**17
99%
Norma URP
<<locked>>
86%
53838
88%
**12
100%
Ramshot Grand
<<locked>>
92%
54549
90%
**07
98%
Ramshot Hunter
<<locked>>
87%
54288
89%
**31
100%
Ramshot Magnum 👍
<<locked>>
96%
54752
90%
**71
99%
ReloadSwiss RS 14
<<locked>>
96%
36318
60%
**23
100%
ReloadSwiss RS 62
<<locked>>
86%
54317
89%
**28
100%
ReloadSwiss RS 70
<<locked>>
87%
54404
89%
**87
100%
ReloadSwiss RS 76
<<locked>>
97%
47036
77%
**31
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
43047
71%
**07
93%
Rottweil R 904
<<locked>>
91%
54375
89%
**89
97%
Rottweil R 905
<<locked>>
92%
54244
89%
**31
98%
Rottweil R 907
<<locked>>
84%
54462
89%
**69
99%
SNPE Vectan Tubal 7000
<<locked>>
85%
54070
89%
**13
99%
Shooters World Long Rifle
<<locked>>
85%
54288
89%
**59
100%
Somchem S361
<<locked>>
90%
53911
89%
**53
96%
Somchem S365
<<locked>>
88%
54085
89%
**18
100%
Somchem S385
<<locked>>
91%
54056
89%
**99
99%
Vihtavuori N150
<<locked>>
86%
54302
89%
**10
100%
Vihtavuori N160
<<locked>>
84%
54433
89%
**79
100%
Vihtavuori N165
<<locked>>
97%
54244
89%
**79
99%
Vihtavuori N550
<<locked>>
84%
54549
90%
**15
100%
Vihtavuori N555
<<locked>>
92%
54259
89%
**45
100%
Vihtavuori N560
<<locked>>
95%
54824
90%
**07
97%
Vihtavuori N565
<<locked>>
97%
50140
82%
**09
96%
[Vihtavuori N568]*
<<locked>>
97%
43874
72%
**20
92%
Winchester 6.5 StaBALL
<<locked>>
86%
54592
90%
**53
100%
Winchester StaBALL HD 👍
<<locked>>
97%
51924
85%
**43
100%
Winchester Supreme 780
<<locked>>
91%
54012
89%
**92
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
[ADI AR 2209]*
<<locked>>
81%
39175
64%
**30
94%
[ADI AR 2213]*
<<locked>>
81%
35172
58%
**51
90%
[ADI AR 2217]*
<<locked>>
90%
35520
58%
**41
90%
[ADI AR 2225]*
<<locked>>
88%
29733
49%
**23
90%
Accurate 3100
<<locked>>
81%
35940
59%
**25
96%
Accurate 4350
<<locked>>
81%
47253
78%
**84
100%
[Accurate MAGPRO]*
<<locked>>
85%
39363
65%
**82
90%
Alliant Reloder-16
<<locked>>
81%
44324
73%
**81
100%
Alliant Reloder-17
<<locked>>
81%
50995
84%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
39102
64%
**33
94%
[Alliant Reloder-22]*
<<locked>>
81%
34998
57%
**67
92%
Alliant Reloder-23
<<locked>>
81%
33649
55%
**41
99%
[Alliant Reloder-25]*
<<locked>>
81%
30008
49%
**43
94%
Alliant Reloder-26
<<locked>>
81%
36724
60%
**79
98%
[Baschieri & Pellagri 109]*
<<locked>>
88%
44048
72%
**89
90%
[Bofors RP15]*
<<locked>>
81%
32982
54%
**08
91%
[Bofors RP30]*
<<locked>>
87%
33025
54%
**35
90%
[Bofors RP5]*
<<locked>>
81%
34998
57%
**67
92%
Bofors RP7
<<locked>>
81%
49763
82%
**81
98%
[Hodgdon H1000]*
<<locked>>
90%
35520
58%
**41
90%
Hodgdon H4350
<<locked>>
81%
42598
70%
**49
96%
[Hodgdon H4831]*
<<locked>>
84%
35969
59%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
36825
60%
**44
90%
Hodgdon Hybrid 100V
<<locked>>
81%
42076
69%
**62
100%
Hodgdon LVR
<<locked>>
81%
48936
80%
**13
100%
[Hodgdon Retumbo]*
<<locked>>
88%
29733
49%
**23
90%
Hodgdon Superperformance
<<locked>>
81%
47137
77%
**36
98%
Hodgdon TrailBoss
<<locked>>
81%
28369
47%
**19
100%
IMR 4350
<<locked>>
81%
44701
73%
**05
97%
IMR 4451 Enduron
<<locked>>
81%
50589
83%
**00
99%
IMR 4831
<<locked>>
81%
40930
67%
**49
99%
[IMR 4955 Enduron]*
<<locked>>
81%
37057
61%
**18
91%
[IMR 7828 SSC]*
<<locked>>
81%
35984
59%
**80
91%
Lovex S065
<<locked>>
81%
48472
80%
**51
99%
Lovex S070
<<locked>>
81%
47021
77%
**44
98%
[Lovex S071]*
<<locked>>
81%
31154
51%
**00
94%
Norma 204
<<locked>>
81%
44541
73%
**28
96%
[Norma 217]*
<<locked>>
92%
30211
50%
**75
90%
Norma MRP
<<locked>>
81%
36593
60%
**33
95%
Norma URP
<<locked>>
81%
45934
75%
**67
100%
[Ramshot Grand]*
<<locked>>
81%
36883
61%
**23
92%
Ramshot Hunter
<<locked>>
81%
44483
73%
**51
98%
[Ramshot Magnum]*
<<locked>>
81%
32605
54%
**82
92%
ReloadSwiss RS 14
<<locked>>
81%
29196
48%
**65
100%
ReloadSwiss RS 62
<<locked>>
81%
46615
77%
**94
100%
ReloadSwiss RS 70
<<locked>>
81%
44628
73%
**07
99%
[ReloadSwiss RS 76]*
<<locked>>
83%
30081
49%
**66
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
38580
63%
**05
90%
[Rottweil R 904]*
<<locked>>
81%
40321
66%
**10
93%
[Rottweil R 905]*
<<locked>>
81%
38406
63%
**17
94%
Rottweil R 907
<<locked>>
81%
49763
82%
**81
98%
SNPE Vectan Tubal 7000
<<locked>>
81%
47630
78%
**95
98%
Shooters World Long Rifle
<<locked>>
81%
48472
80%
**51
99%
[Somchem S361]*
<<locked>>
81%
41191
68%
**97
93%
Somchem S365
<<locked>>
81%
42598
70%
**25
100%
Somchem S385
<<locked>>
81%
39276
64%
**00
95%
Vihtavuori N150
<<locked>>
81%
46137
76%
**79
100%
Vihtavuori N160
<<locked>>
81%
48776
80%
**87
100%
[Vihtavuori N165]*
<<locked>>
81%
33301
55%
**43
92%
Vihtavuori N550
<<locked>>
81%
49864
82%
**43
100%
Vihtavuori N555
<<locked>>
81%
38029
62%
**30
99%
[Vihtavuori N560]*
<<locked>>
81%
35781
59%
**94
90%
[Vihtavuori N565]*
<<locked>>
85%
35027
58%
**67
90%
[Vihtavuori N568]*
<<locked>>
94%
40001
66%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46021
76%
**15
100%
Winchester StaBALL HD
<<locked>>
81%
28616
47%
**57
99%
[Winchester Supreme 780]*
<<locked>>
81%
38711
64%
**84
94%

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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