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

Recommended Powder(s):

7 mm WSM + .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 WSM load data
Case Length (l3):
2.090" | 53.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
81.1 Grains of Water | 5.27 cm³
Primer Size:
Large Rifle Magnum (LRM)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B566_C1069
Last updated:
2026-04-23
Recommended Twist Rate:
1:11 - 1:9

Load data for 154 loads in caliber 7 mm WSM with .284 | 140gr | Barnes X BT bullet and 77 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".

  • No data yet

  • 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>>
84%
57217
90%
**86
100%
ADI AR 2209
<<locked>>
95%
56710
89%
**71
98%
ADI AR 2213
<<locked>>
97%
53824
84%
**48
96%
[ADI AR 2217]*
<<locked>>
97%
40408
63%
**49
92%
[ADI AR 2225]*
<<locked>>
97%
36085
57%
**03
94%
Accurate 2700
<<locked>>
85%
56826
89%
**36
99%
Accurate 3100
<<locked>>
97%
54766
86%
**79
100%
Accurate 4350
<<locked>>
89%
56710
89%
**31
100%
[Accurate MAGPRO]*
<<locked>>
97%
52605
82%
**41
94%
Alliant Reloder- TS 15.5
<<locked>>
83%
56695
89%
**82
100%
Alliant Reloder-16
<<locked>>
91%
56550
89%
**84
100%
Alliant Reloder-17
<<locked>>
86%
56565
89%
**87
100%
Alliant Reloder-19
<<locked>>
95%
56826
89%
**74
98%
Alliant Reloder-22
<<locked>>
97%
53374
84%
**51
98%
Alliant Reloder-23
<<locked>>
97%
50749
80%
**92
100%
Alliant Reloder-25
<<locked>>
97%
44773
70%
**27
99%
Alliant Reloder-26 👍
<<locked>>
96%
56927
89%
**73
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
53403
84%
**49
93%
Bofors RP15
<<locked>>
97%
49821
78%
**89
97%
[Bofors RP30]*
<<locked>>
97%
41075
64%
**31
94%
Bofors RP5
<<locked>>
97%
53374
84%
**51
98%
Bofors RP7
<<locked>>
88%
57261
90%
**95
99%
[Hodgdon H1000]*
<<locked>>
97%
40408
63%
**49
92%
Hodgdon H414
<<locked>>
86%
57058
89%
**64
99%
Hodgdon H4350
<<locked>>
89%
56782
89%
**22
98%
Hodgdon H4831
<<locked>>
97%
50212
79%
**27
95%
Hodgdon H4831 SC
<<locked>>
97%
56463
88%
**31
96%
Hodgdon Hybrid 100V
<<locked>>
93%
56826
89%
**02
100%
Hodgdon LVR
<<locked>>
88%
57000
89%
**45
100%
Hodgdon Retumbo
<<locked>>
97%
43656
68%
**40
96%
Hodgdon Superperformance
<<locked>>
89%
57246
90%
**00
99%
Hodgdon TrailBoss
<<locked>>
96%
35056
55%
**44
100%
IMR 4064
<<locked>>
85%
56898
89%
**66
100%
IMR 4166 Enduron
<<locked>>
86%
57276
90%
**76
99%
IMR 4350
<<locked>>
91%
57276
90%
**15
99%
IMR 4451 Enduron
<<locked>>
87%
57014
89%
**95
99%
IMR 4831
<<locked>>
95%
57000
89%
**22
100%
IMR 4955 Enduron
<<locked>>
97%
55347
87%
**86
96%
IMR 7828 SSC
<<locked>>
97%
55521
87%
**94
97%
Lovex S065
<<locked>>
89%
57319
90%
**89
100%
Lovex S070
<<locked>>
89%
56797
89%
**09
99%
Lovex S071
<<locked>>
97%
46209
72%
**41
99%
Norma 204
<<locked>>
90%
56753
89%
**41
98%
Norma MRP
<<locked>>
97%
57406
90%
**56
99%
Norma URP
<<locked>>
90%
57421
90%
**54
100%
Ramshot Grand
<<locked>>
95%
57000
89%
**30
98%
Ramshot Hunter 👍
<<locked>>
91%
56637
89%
**58
100%
Ramshot Magnum
<<locked>>
97%
52199
82%
**12
98%
ReloadSwiss RS 14
<<locked>>
97%
36260
57%
**00
100%
ReloadSwiss RS 50
<<locked>>
83%
57348
90%
**95
100%
ReloadSwiss RS 60
<<locked>>
85%
57232
90%
**97
100%
ReloadSwiss RS 62
<<locked>>
89%
57232
90%
**74
100%
ReloadSwiss RS 70 👍
<<locked>>
91%
57435
90%
**30
100%
ReloadSwiss RS 76
<<locked>>
97%
43453
68%
**40
97%
Rottweil R 903
<<locked>>
85%
57174
90%
**86
100%
Rottweil R 904
<<locked>>
94%
56826
89%
**15
97%
Rottweil R 905
<<locked>>
96%
57392
90%
**74
99%
Rottweil R 907
<<locked>>
88%
57261
90%
**95
99%
SNPE Vectan SP 11
<<locked>>
84%
56710
89%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56420
88%
**51
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
56652
89%
**36
99%
Shooters World Long Rifle
<<locked>>
89%
57319
90%
**89
100%
Somchem S355
<<locked>>
85%
56782
89%
**82
100%
Somchem S361
<<locked>>
93%
57014
89%
**82
97%
Somchem S365
<<locked>>
92%
56637
89%
**48
100%
Somchem S385
<<locked>>
95%
57058
89%
**28
99%
Vihtavuori N150
<<locked>>
86%
56913
89%
**33
100%
Vihtavuori N160
<<locked>>
89%
56565
89%
**05
100%
Vihtavuori N165
<<locked>>
97%
52040
82%
**36
98%
Vihtavuori N550
<<locked>>
89%
57246
90%
**35
100%
Vihtavuori N555 👍
<<locked>>
97%
57130
90%
**77
100%
Vihtavuori N560
<<locked>>
97%
57217
90%
**36
97%
Vihtavuori N565
<<locked>>
97%
46311
73%
**20
95%
Winchester 6.5 StaBALL
<<locked>>
89%
57087
89%
**79
100%
Winchester 760
<<locked>>
86%
57058
89%
**64
99%
Winchester StaBALL HD 👍
<<locked>>
97%
46050
72%
**54
100%
Winchester Supreme 780
<<locked>>
95%
57421
90%
**25
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51779
81%
**00
100%
[ADI AR 2209]*
<<locked>>
81%
36753
58%
**54
92%
[ADI AR 2213]*
<<locked>>
84%
36492
57%
**71
90%
[ADI AR 2217]*
<<locked>>
94%
36796
58%
**57
90%
[ADI AR 2225]*
<<locked>>
91%
30922
48%
**39
90%
Accurate 2700
<<locked>>
81%
50328
79%
**25
98%
Accurate 3100
<<locked>>
81%
33344
52%
**49
95%
Accurate 4350
<<locked>>
81%
44237
69%
**18
99%
[Accurate MAGPRO]*
<<locked>>
88%
40306
63%
**95
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52736
83%
**27
100%
Alliant Reloder-16
<<locked>>
81%
41756
65%
**15
99%
Alliant Reloder-17
<<locked>>
81%
47500
74%
**43
100%
[Alliant Reloder-19]*
<<locked>>
81%
36651
57%
**61
93%
[Alliant Reloder-22]*
<<locked>>
81%
32779
51%
**95
91%
Alliant Reloder-23
<<locked>>
81%
31575
49%
**69
98%
[Alliant Reloder-25]*
<<locked>>
81%
28065
44%
**67
92%
Alliant Reloder-26
<<locked>>
81%
34113
53%
**00
97%
[Baschieri & Pellagri 109]*
<<locked>>
92%
45861
72%
**02
90%
[Bofors RP15]*
<<locked>>
82%
32184
50%
**72
90%
[Bofors RP30]*
<<locked>>
91%
34243
54%
**61
90%
[Bofors RP5]*
<<locked>>
81%
32779
51%
**95
91%
Bofors RP7
<<locked>>
81%
46833
73%
**08
97%
[Hodgdon H1000]*
<<locked>>
94%
36796
58%
**57
90%
Hodgdon H414
<<locked>>
81%
48776
76%
**17
98%
Hodgdon H4350
<<locked>>
81%
43947
69%
**85
96%
[Hodgdon H4831]*
<<locked>>
87%
37173
58%
**41
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
37173
58%
**41
90%
Hodgdon Hybrid 100V
<<locked>>
81%
39378
62%
**94
100%
Hodgdon LVR
<<locked>>
81%
45919
72%
**51
99%
[Hodgdon Retumbo]*
<<locked>>
87%
33156
52%
**48
90%
Hodgdon Superperformance
<<locked>>
81%
44150
69%
**64
97%
Hodgdon TrailBoss
<<locked>>
81%
28210
44%
**93
100%
IMR 4064
<<locked>>
81%
50720
79%
**67
100%
IMR 4166 Enduron
<<locked>>
81%
49763
78%
**41
98%
IMR 4350
<<locked>>
81%
42409
66%
**36
96%
IMR 4451 Enduron
<<locked>>
81%
48008
75%
**35
98%
IMR 4831
<<locked>>
81%
38290
60%
**74
98%
[IMR 4955 Enduron]*
<<locked>>
82%
36405
57%
**92
90%
[IMR 7828 SSC]*
<<locked>>
84%
36521
57%
**87
90%
Lovex S065
<<locked>>
81%
45919
72%
**85
99%
Lovex S070
<<locked>>
81%
44353
70%
**82
98%
[Lovex S071]*
<<locked>>
81%
29008
45%
**28
93%
Norma 204
<<locked>>
81%
41930
66%
**62
95%
[Norma MRP]*
<<locked>>
81%
34026
53%
**64
93%
Norma URP
<<locked>>
81%
42859
67%
**99
99%
[Ramshot Grand]*
<<locked>>
82%
35984
56%
**74
90%
Ramshot Hunter
<<locked>>
81%
41423
65%
**79
97%
[Ramshot Magnum]*
<<locked>>
81%
30806
48%
**20
90%
ReloadSwiss RS 14
<<locked>>
81%
28790
45%
**32
100%
ReloadSwiss RS 50
<<locked>>
81%
53534
84%
**33
99%
ReloadSwiss RS 60
<<locked>>
81%
50169
79%
**86
100%
ReloadSwiss RS 62
<<locked>>
81%
43439
68%
**28
99%
ReloadSwiss RS 70
<<locked>>
81%
41597
65%
**28
98%
[ReloadSwiss RS 76]*
<<locked>>
86%
30966
49%
**79
90%
Rottweil R 903
<<locked>>
81%
50836
80%
**84
100%
[Rottweil R 904]*
<<locked>>
81%
38101
60%
**41
92%
[Rottweil R 905]*
<<locked>>
81%
35998
56%
**44
93%
Rottweil R 907
<<locked>>
81%
46833
73%
**08
97%
SNPE Vectan SP 11
<<locked>>
81%
51358
80%
**36
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51271
80%
**72
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45266
71%
**36
98%
Shooters World Long Rifle
<<locked>>
81%
45919
72%
**85
99%
Somchem S355
<<locked>>
81%
50792
80%
**81
100%
[Somchem S361]*
<<locked>>
81%
38986
61%
**28
91%
Somchem S365
<<locked>>
81%
39697
62%
**66
100%
[Somchem S385]*
<<locked>>
81%
36825
58%
**35
94%
Vihtavuori N150
<<locked>>
81%
48486
76%
**08
100%
Vihtavuori N160
<<locked>>
81%
44309
69%
**89
99%
[Vihtavuori N165]*
<<locked>>
81%
31836
50%
**97
91%
Vihtavuori N550
<<locked>>
81%
43758
69%
**92
99%
Vihtavuori N555
<<locked>>
81%
35172
55%
**61
98%
[Vihtavuori N560]*
<<locked>>
83%
36782
58%
**07
90%
[Vihtavuori N565]*
<<locked>>
88%
35462
56%
**74
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43004
67%
**49
100%
Winchester 760
<<locked>>
81%
48776
76%
**17
98%
Winchester StaBALL HD
<<locked>>
81%
28485
45%
**66
98%
[Winchester Supreme 780]*
<<locked>>
81%
36260
57%
**18
93%

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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