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Load data for 7 mm WSM + .284 | 160gr | Barnes MRX BT

Recommended Powder(s):

7 mm WSM + .284 | 160gr | Barnes MRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Barnes MRX BT
Manufacturer SKU:
28486
Bullet Weight:
160gr | 10.4g
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_B576_C1069
Last updated:
2026-03-22
Recommended Twist Rate:
1:12 - 1:10

Load data for 160 loads in caliber 7 mm WSM with .284 | 160gr | Barnes MRX BT bullet and 80 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 2208
<<locked>>
83%
56768
89%
**22
100%
ADI AR 2209 👍
<<locked>>
94%
57145
90%
**23
99%
ADI AR 2213
<<locked>>
97%
56579
89%
**53
99%
ADI AR 2217
<<locked>>
97%
40799
64%
**48
95%
ADI AR 2225
<<locked>>
97%
36477
57%
**15
97%
Accurate 2700
<<locked>>
84%
57174
90%
**02
100%
Accurate 3100
<<locked>>
97%
55376
87%
**44
100%
Accurate 4350
<<locked>>
88%
56811
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
55637
87%
**59
97%
Alliant Reloder-16
<<locked>>
90%
56782
89%
**23
100%
Alliant Reloder-17
<<locked>>
85%
57305
90%
**23
100%
Alliant Reloder-19 👍
<<locked>>
94%
57174
90%
**27
99%
Alliant Reloder-22
<<locked>>
97%
56101
88%
**53
99%
Alliant Reloder-23
<<locked>>
97%
53243
83%
**61
100%
Alliant Reloder-25
<<locked>>
97%
45745
72%
**05
100%
Alliant Reloder-26 👍
<<locked>>
95%
57014
89%
**09
100%
Baschieri & Pellagri 109
<<locked>>
97%
54694
86%
**54
95%
Bofors RP15
<<locked>>
97%
51169
80%
**67
99%
Bofors RP30
<<locked>>
97%
41568
65%
**17
96%
Bofors RP5
<<locked>>
97%
56101
88%
**53
99%
Bofors RP7
<<locked>>
87%
57406
90%
**48
100%
Hodgdon H1000
<<locked>>
97%
40799
64%
**48
95%
Hodgdon H414
<<locked>>
85%
57261
90%
**17
100%
Hodgdon H4350
<<locked>>
92%
57188
90%
**58
100%
Hodgdon H4831
<<locked>>
97%
51648
81%
**18
97%
Hodgdon H4831 SC
<<locked>>
96%
56855
89%
**00
98%
Hodgdon Hybrid 100V
<<locked>>
92%
57130
90%
**48
100%
Hodgdon LVR
<<locked>>
87%
57014
89%
**81
100%
Hodgdon Retumbo
<<locked>>
97%
36477
57%
**15
97%
Hodgdon Superperformance
<<locked>>
87%
57116
90%
**43
100%
Hodgdon VARGET
<<locked>>
84%
57087
89%
**25
100%
Hodgdon TrailBoss
<<locked>>
96%
34954
55%
**42
100%
IMR 4064
<<locked>>
84%
56739
89%
**12
100%
IMR 4166 Enduron
<<locked>>
85%
57043
89%
**22
100%
IMR 4350
<<locked>>
90%
57421
90%
**67
100%
IMR 4451 Enduron
<<locked>>
86%
57174
90%
**44
100%
IMR 4831
<<locked>>
93%
56753
89%
**61
100%
IMR 4955 Enduron
<<locked>>
96%
56855
89%
**64
98%
IMR 7828 SSC
<<locked>>
96%
56666
89%
**69
99%
Lovex S065
<<locked>>
88%
56681
89%
**31
100%
Lovex S070
<<locked>>
89%
56985
89%
**58
100%
Lovex S071
<<locked>>
97%
46528
73%
**07
100%
Norma 204
<<locked>>
89%
56898
89%
**94
99%
[Norma 217]*
<<locked>>
97%
31879
50%
**16
94%
Norma MRP 👍
<<locked>>
95%
56985
89%
**86
100%
Norma URP
<<locked>>
89%
57217
90%
**94
100%
Ramshot Grand
<<locked>>
94%
57101
89%
**86
99%
Ramshot Hunter
<<locked>>
90%
56913
89%
**10
100%
Ramshot Magnum
<<locked>>
97%
54969
86%
**10
100%
ReloadSwiss RS 14
<<locked>>
96%
35505
56%
**75
100%
ReloadSwiss RS 60
<<locked>>
84%
57421
90%
**23
100%
ReloadSwiss RS 62
<<locked>>
88%
57029
89%
**10
100%
ReloadSwiss RS 70
<<locked>>
89%
56942
89%
**63
100%
ReloadSwiss RS 76
<<locked>>
97%
44686
70%
**38
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
39653
62%
**03
93%
Rottweil R 903
<<locked>>
84%
57000
89%
**28
100%
Rottweil R 904
<<locked>>
93%
56898
89%
**71
99%
Rottweil R 905 👍
<<locked>>
94%
56579
89%
**10
99%
Rottweil R 907
<<locked>>
87%
57406
90%
**48
100%
SNPE Vectan SP 11
<<locked>>
83%
56753
89%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
56681
89%
**97
100%
SNPE Vectan Tubal 7000
<<locked>>
88%
57305
90%
**05
100%
Shooters World Long Rifle
<<locked>>
88%
56681
89%
**31
100%
Somchem S355
<<locked>>
84%
56753
89%
**22
100%
Somchem S361
<<locked>>
92%
56826
89%
**38
98%
Somchem S365
<<locked>>
91%
56942
89%
**84
100%
Somchem S385
<<locked>>
94%
56782
89%
**77
100%
Vihtavuori N135
<<locked>>
86%
57290
90%
**30
100%
Vihtavuori N150
<<locked>>
89%
57043
89%
**82
100%
Vihtavuori N160
<<locked>>
87%
57029
89%
**44
100%
Vihtavuori N165
<<locked>>
97%
51808
81%
**92
99%
Vihtavuori N550
<<locked>>
87%
57261
90%
**90
100%
Vihtavuori N555
<<locked>>
96%
56710
89%
**07
100%
Vihtavuori N560
<<locked>>
97%
55825
87%
**69
98%
Vihtavuori N565
<<locked>>
97%
48095
75%
**18
97%
[Vihtavuori N568]*
<<locked>>
97%
41292
65%
**26
93%
Winchester 6.5 StaBALL
<<locked>>
88%
56927
89%
**15
100%
Winchester 760
<<locked>>
85%
57261
90%
**17
100%
Winchester StaBALL HD
<<locked>>
97%
49850
78%
**40
100%
Winchester Supreme 780
<<locked>>
93%
56637
89%
**67
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
52634
82%
**59
100%
ADI AR 2209
<<locked>>
81%
37028
58%
**49
95%
[ADI AR 2213]*
<<locked>>
81%
32924
52%
**57
91%
[ADI AR 2217]*
<<locked>>
89%
31966
50%
**25
90%
[ADI AR 2225]*
<<locked>>
87%
26701
42%
**13
90%
Accurate 2700
<<locked>>
81%
50894
80%
**03
99%
Accurate 3100
<<locked>>
81%
32314
51%
**11
96%
Accurate 4350
<<locked>>
81%
44092
69%
**77
100%
[Accurate MAGPRO]*
<<locked>>
84%
35404
55%
**52
90%
Alliant Reloder-16
<<locked>>
81%
42351
66%
**87
100%
Alliant Reloder-17
<<locked>>
81%
49037
77%
**08
100%
Alliant Reloder-19
<<locked>>
81%
36869
58%
**39
95%
[Alliant Reloder-22]*
<<locked>>
81%
32532
51%
**70
93%
Alliant Reloder-23
<<locked>>
81%
31111
49%
**41
99%
[Alliant Reloder-25]*
<<locked>>
81%
27151
43%
**36
94%
Alliant Reloder-26
<<locked>>
81%
33765
53%
**69
98%
[Baschieri & Pellagri 109]*
<<locked>>
87%
40030
63%
**59
90%
[Bofors RP15]*
<<locked>>
81%
30211
47%
**05
92%
[Bofors RP30]*
<<locked>>
87%
29994
47%
**31
90%
[Bofors RP5]*
<<locked>>
81%
32532
51%
**70
93%
Bofors RP7
<<locked>>
81%
47311
74%
**84
99%
[Hodgdon H1000]*
<<locked>>
89%
31966
50%
**25
90%
Hodgdon H414
<<locked>>
81%
50024
78%
**95
99%
Hodgdon H4350
<<locked>>
81%
40712
64%
**72
97%
[Hodgdon H4831]*
<<locked>>
82%
32489
51%
**11
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
34592
54%
**64
91%
Hodgdon Hybrid 100V
<<locked>>
81%
39769
62%
**69
100%
Hodgdon LVR
<<locked>>
81%
46746
73%
**23
100%
[Hodgdon Retumbo]*
<<locked>>
87%
26701
42%
**13
90%
Hodgdon Superperformance
<<locked>>
81%
45266
71%
**46
99%
Hodgdon VARGET
<<locked>>
81%
52344
82%
**56
100%
Hodgdon TrailBoss
<<locked>>
81%
28123
44%
**98
100%
IMR 4064
<<locked>>
81%
51779
81%
**36
100%
IMR 4166 Enduron
<<locked>>
81%
50763
80%
**23
99%
IMR 4350
<<locked>>
81%
42859
67%
**15
98%
IMR 4451 Enduron
<<locked>>
81%
48733
76%
**07
99%
IMR 4831
<<locked>>
81%
38043
60%
**46
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34853
55%
**41
92%
[IMR 7828 SSC]*
<<locked>>
81%
33446
52%
**84
91%
Lovex S065
<<locked>>
81%
46093
72%
**61
100%
Lovex S070
<<locked>>
81%
44411
70%
**44
99%
[Lovex S071]*
<<locked>>
81%
27427
43%
**77
94%
Norma 204
<<locked>>
81%
42511
67%
**41
97%
[Norma 217]*
<<locked>>
92%
26876
42%
**62
90%
Norma MRP
<<locked>>
81%
33779
53%
**33
95%
Norma URP
<<locked>>
81%
43439
68%
**64
100%
[Ramshot Grand]*
<<locked>>
81%
34519
54%
**33
92%
Ramshot Hunter
<<locked>>
81%
42119
66%
**54
99%
[Ramshot Magnum]*
<<locked>>
81%
29689
47%
**85
92%
ReloadSwiss RS 14
<<locked>>
81%
28587
45%
**34
100%
ReloadSwiss RS 60
<<locked>>
81%
52069
82%
**48
100%
ReloadSwiss RS 62
<<locked>>
81%
43976
69%
**00
100%
ReloadSwiss RS 70
<<locked>>
81%
42322
66%
**13
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
26992
42%
**52
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
34534
54%
**72
90%
Rottweil R 903
<<locked>>
81%
51358
80%
**46
100%
[Rottweil R 904]*
<<locked>>
81%
38522
60%
**36
94%
Rottweil R 905
<<locked>>
81%
35940
56%
**23
95%
Rottweil R 907
<<locked>>
81%
47311
74%
**84
99%
SNPE Vectan SP 11
<<locked>>
81%
52649
83%
**02
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
51663
81%
**28
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
45020
71%
**02
99%
Shooters World Long Rifle
<<locked>>
81%
46093
72%
**61
100%
Somchem S355
<<locked>>
81%
51227
80%
**36
100%
[Somchem S361]*
<<locked>>
81%
38943
61%
**13
93%
Somchem S365
<<locked>>
81%
40089
63%
**15
100%
Somchem S385
<<locked>>
81%
36622
57%
**07
96%
Vihtavuori N135
<<locked>>
81%
49980
78%
**31
100%
Vihtavuori N150
<<locked>>
81%
44063
69%
**85
100%
Vihtavuori N160
<<locked>>
81%
46746
73%
**90
100%
[Vihtavuori N165]*
<<locked>>
81%
30560
48%
**56
93%
Vihtavuori N550
<<locked>>
81%
47239
74%
**36
100%
Vihtavuori N555
<<locked>>
81%
34925
55%
**16
99%
[Vihtavuori N560]*
<<locked>>
81%
32489
51%
**80
90%
[Vihtavuori N565]*
<<locked>>
85%
31459
49%
**48
90%
[Vihtavuori N568]*
<<locked>>
92%
35476
56%
**82
90%
Winchester 6.5 StaBALL
<<locked>>
81%
44077
69%
**25
100%
Winchester 760
<<locked>>
81%
50024
78%
**95
99%
Winchester StaBALL HD
<<locked>>
81%
25904
41%
**31
99%
Winchester Supreme 780
<<locked>>
81%
36318
57%
**00
95%

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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