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Load data for 7 mm Backcountry + .284 | 140gr | Barnes X S

Recommended Powder(s): Hodgdon H414, Hodgdon H4350, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760

7 mm Backcountry + .284 | 140gr | Barnes X S

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes X S
Manufacturer SKU:
28425
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
7 mm Backcountry load data
Case Length (l3):
2.417" | 61.4mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
73.0 Grains of Water | 4.74 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
79916 psi | 5510 bar
LID:
LID_B567_C991
Last updated:
2026-07-13

Load data for 254 loads in caliber 7 mm Backcountry with .284 | 140gr | Barnes X S bullet and 127 powders such as Hodgdon H414, Hodgdon H4350, ReloadSwiss RS 62, ReloadSwiss RS 70, Winchester 760. 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 APS 450
<<locked>>
93%
71779
90%
**38
101%
ADI AR 2206H
<<locked>>
89%
71707
90%
**36
100%
ADI AR 2208
<<locked>>
95%
71301
89%
**23
100%
ADI AR 2209
<<locked>>
97%
54520
68%
**79
97%
[ADI AR 2213]*
<<locked>>
97%
48994
61%
**94
94%
ADI Benchmark 8208
<<locked>>
88%
71895
90%
**00
100%
Accurate 2015
<<locked>>
86%
71156
89%
**89
100%
Accurate 2495
<<locked>>
90%
71852
90%
**25
100%
Accurate 2520
<<locked>>
85%
70488
88%
**71
100%
Accurate 2700
<<locked>>
92%
71736
90%
**00
100%
Accurate 3100
<<locked>>
97%
48820
61%
**41
98%
Accurate 4064
<<locked>>
92%
71489
89%
**81
100%
Accurate 4350
<<locked>>
97%
66050
83%
**20
100%
[Accurate MAGPRO]*
<<locked>>
97%
50444
63%
**66
93%
Alliant AR-Comp
<<locked>>
86%
71214
89%
**15
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
71417
89%
**68
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
71460
89%
**30
100%
Alliant Reloder-10x
<<locked>>
83%
71359
89%
**02
100%
Alliant Reloder-15
<<locked>>
92%
71402
89%
**59
100%
Alliant Reloder-16
<<locked>>
97%
61351
77%
**10
100%
Alliant Reloder-17
<<locked>>
96%
70706
88%
**35
100%
Alliant Reloder-19
<<locked>>
97%
53664
67%
**69
97%
Alliant Reloder-22
<<locked>>
97%
47761
60%
**07
96%
Alliant Reloder-23
<<locked>>
97%
45963
58%
**64
100%
Alliant Reloder-25
<<locked>>
97%
40219
50%
**69
97%
Alliant Reloder-26
<<locked>>
97%
51909
65%
**48
100%
Baschieri & Pellagri 107
<<locked>>
89%
71518
89%
**56
100%
Bofors RP15
<<locked>>
97%
44918
56%
**44
95%
Bofors RP3
<<locked>>
93%
71112
89%
**33
100%
Bofors RP5
<<locked>>
97%
47761
60%
**07
96%
Bofors RP7
<<locked>>
97%
69981
88%
**17
100%
Hodgdon BL-C2
<<locked>>
87%
71707
90%
**23
100%
Hodgdon Benchmark
<<locked>>
88%
71837
90%
**54
100%
Hodgdon CFE223
<<locked>>
84%
71112
89%
**05
100%
Hodgdon H380
<<locked>>
93%
71852
90%
**50
100%
Hodgdon H414 👍
<<locked>>
97%
67921
85%
**69
100%
Hodgdon H4350 👍
<<locked>>
97%
70648
88%
**69
99%
[Hodgdon H4831]*
<<locked>>
97%
53055
66%
**17
94%
[Hodgdon H4831 SC]*
<<locked>>
97%
51126
64%
**94
94%
Hodgdon H4895
<<locked>>
89%
71620
90%
**33
100%
Hodgdon Hybrid 100V
<<locked>>
97%
58421
73%
**82
100%
Hodgdon LEVERevolution
<<locked>>
90%
71576
90%
**66
100%
[Hodgdon Retumbo]*
<<locked>>
97%
39392
49%
**69
92%
Hodgdon Superformance
<<locked>>
97%
69807
87%
**22
100%
Hodgdon TrailBoss
<<locked>>
96%
34954
44%
**98
100%
Hodgdon VARGET
<<locked>>
90%
71533
90%
**23
100%
IMR 3031
<<locked>>
88%
71823
90%
**97
100%
IMR 4064
<<locked>>
92%
71025
89%
**07
100%
IMR 4166 Enduron
<<locked>>
91%
71054
89%
**14
100%
IMR 4198
<<locked>>
84%
71808
90%
**76
100%
IMR 4350
<<locked>>
97%
62120
78%
**28
99%
IMR 4451 Enduron
<<locked>>
97%
70880
89%
**30
100%
IMR 4831
<<locked>>
97%
61873
77%
**54
100%
IMR 4895
<<locked>>
91%
70938
89%
**56
100%
IMR 4955 Enduron
<<locked>>
97%
54244
68%
**07
95%
[IMR 7828 SSC]*
<<locked>>
97%
46978
59%
**71
93%
IMR 8208 XBR
<<locked>>
88%
71895
90%
**00
100%
Lovex D073.6
<<locked>>
88%
71112
89%
**87
100%
Lovex S060
<<locked>>
90%
70895
89%
**64
100%
Lovex S062
<<locked>>
92%
71127
89%
**97
100%
Lovex S065
<<locked>>
97%
67950
85%
**91
100%
Lovex S070
<<locked>>
97%
65354
82%
**71
100%
Lovex S071
<<locked>>
97%
41278
52%
**94
97%
Norma 201
<<locked>>
90%
71721
90%
**94
100%
Norma 202
<<locked>>
89%
71431
89%
**77
100%
Norma 203B
<<locked>>
92%
71649
90%
**53
100%
Norma 204
<<locked>>
97%
63686
80%
**97
98%
Norma MRP
<<locked>>
97%
51242
64%
**05
98%
Norma URP
<<locked>>
97%
63715
80%
**97
100%
Ramshot Big Game
<<locked>>
91%
70822
89%
**50
100%
[Ramshot Grand]*
<<locked>>
97%
47297
59%
**87
94%
Ramshot Hunter
<<locked>>
97%
62105
78%
**91
100%
Ramshot Magnum
<<locked>>
97%
42235
53%
**66
95%
Ramshot TAC
<<locked>>
87%
71837
90%
**30
100%
Ramshot Wild Boar
<<locked>>
87%
71127
89%
**27
100%
Ramshot X-Terminator
<<locked>>
85%
71649
90%
**91
100%
ReloadSwiss RS 14
<<locked>>
96%
35491
44%
**37
100%
ReloadSwiss RS 40
<<locked>>
84%
71127
89%
**68
100%
ReloadSwiss RS 50
<<locked>>
93%
70851
89%
**33
100%
ReloadSwiss RS 52
<<locked>>
88%
71315
89%
**09
100%
ReloadSwiss RS 60
<<locked>>
94%
71301
89%
**28
100%
ReloadSwiss RS 62 👍
<<locked>>
97%
65847
82%
**40
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
63237
79%
**63
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
39450
49%
**66
94%
Rottweil R 901
<<locked>>
87%
70953
89%
**41
100%
Rottweil R 902
<<locked>>
91%
71054
89%
**74
100%
Rottweil R 903
<<locked>>
95%
71359
89%
**20
100%
Rottweil R 904
<<locked>>
97%
56869
71%
**56
96%
Rottweil R 905
<<locked>>
97%
53519
67%
**63
97%
Rottweil R 907
<<locked>>
97%
69981
88%
**17
100%
SNPE Vectan SP 11
<<locked>>
94%
71431
89%
**73
100%
SNPE Vectan SP 7
<<locked>>
88%
71620
90%
**27
100%
SNPE Vectan SP 9
<<locked>>
90%
71924
90%
**30
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
71098
89%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
71547
90%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
67660
85%
**31
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
53026
66%
**53
97%
Shooters World Long Rifle
<<locked>>
97%
67950
85%
**91
100%
Shooters World Match Rifle
<<locked>>
88%
71112
89%
**87
100%
Shooters World Precision
<<locked>>
92%
71127
89%
**97
100%
Shooters World SW4350
<<locked>>
97%
65354
82%
**71
100%
Somchem S321
<<locked>>
84%
71373
89%
**04
100%
Somchem S335
<<locked>>
90%
71852
90%
**05
100%
Somchem S341
<<locked>>
88%
71910
90%
**07
100%
Somchem S355
<<locked>>
95%
71808
90%
**27
100%
Somchem S361
<<locked>>
97%
58015
73%
**36
96%
Somchem S365
<<locked>>
97%
58769
74%
**45
100%
Somchem S385
<<locked>>
97%
54201
68%
**40
98%
Vihtavuori N130
<<locked>>
86%
71605
90%
**59
100%
Vihtavuori N133
<<locked>>
89%
71127
89%
**63
100%
Vihtavuori N135
<<locked>>
93%
71852
90%
**31
100%
Vihtavuori N140
<<locked>>
91%
71083
89%
**31
100%
Vihtavuori N150
<<locked>>
96%
71489
89%
**74
100%
Vihtavuori N160
<<locked>>
97%
65673
82%
**87
100%
Vihtavuori N165
<<locked>>
97%
46789
59%
**92
96%
Vihtavuori N530
<<locked>>
87%
71127
89%
**81
100%
Vihtavuori N540
<<locked>>
92%
71388
89%
**61
100%
Vihtavuori N550
<<locked>>
97%
65325
82%
**97
100%
Vihtavuori N555
<<locked>>
97%
51750
65%
**49
100%
[Vihtavuori N560]*
<<locked>>
97%
51459
64%
**82
94%
[Vihtavuori N565]*
<<locked>>
97%
41321
52%
**69
91%
Winchester 6.5 StaBALL
<<locked>>
97%
66863
84%
**58
100%
Winchester 748
<<locked>>
87%
71504
89%
**23
100%
Winchester 760 👍
<<locked>>
97%
67921
85%
**69
100%
Winchester StaBALL HD
<<locked>>
97%
38972
49%
**10
100%
Winchester StaBALL Match
<<locked>>
89%
71315
89%
**33
100%
Winchester Supreme 780
<<locked>>
97%
50589
63%
**67
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59524
74%
**77
100%
ADI AR 2206H
<<locked>>
81%
56333
70%
**33
100%
ADI AR 2208
<<locked>>
81%
48066
60%
**85
100%
[ADI AR 2209]*
<<locked>>
82%
34795
44%
**56
90%
[ADI AR 2213]*
<<locked>>
90%
39537
49%
**90
90%
ADI Benchmark 8208
<<locked>>
81%
58291
73%
**27
100%
Accurate 2015
<<locked>>
81%
60887
76%
**64
100%
Accurate 2495
<<locked>>
81%
55361
69%
**22
100%
Accurate 2520
<<locked>>
81%
62511
78%
**76
100%
Accurate 2700
<<locked>>
81%
51488
64%
**08
97%
[Accurate 3100]*
<<locked>>
81%
30023
38%
**25
92%
Accurate 4064
<<locked>>
81%
51938
65%
**28
100%
Accurate 4350
<<locked>>
81%
39885
50%
**87
98%
[Accurate MAGPRO]*
<<locked>>
91%
41350
52%
**79
90%
Alliant AR-Comp
<<locked>>
81%
60814
76%
**00
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
52518
66%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
48820
61%
**18
100%
Alliant Reloder-10x
<<locked>>
81%
67037
84%
**53
100%
Alliant Reloder-15
<<locked>>
81%
51924
65%
**84
100%
Alliant Reloder-16
<<locked>>
81%
38305
48%
**80
98%
Alliant Reloder-17
<<locked>>
81%
43207
54%
**12
100%
[Alliant Reloder-19]*
<<locked>>
81%
34084
43%
**43
90%
[Alliant Reloder-22]*
<<locked>>
86%
34258
43%
**92
90%
Alliant Reloder-23
<<locked>>
81%
28848
36%
**44
96%
[Alliant Reloder-25]*
<<locked>>
84%
28456
36%
**25
90%
[Alliant Reloder-26]*
<<locked>>
81%
30705
38%
**52
94%
Baschieri & Pellagri 107
<<locked>>
81%
56173
70%
**46
100%
[Bofors RP15]*
<<locked>>
88%
34737
43%
**98
90%
Bofors RP3
<<locked>>
81%
49937
62%
**31
100%
[Bofors RP5]*
<<locked>>
86%
34258
43%
**92
90%
Bofors RP7
<<locked>>
81%
43511
54%
**87
96%
Hodgdon BL-C2
<<locked>>
81%
58827
74%
**66
100%
Hodgdon Benchmark
<<locked>>
81%
59350
74%
**07
100%
Hodgdon CFE223
<<locked>>
81%
65151
82%
**30
100%
Hodgdon H380
<<locked>>
81%
49632
62%
**38
99%
Hodgdon H414
<<locked>>
81%
41437
52%
**20
96%
Hodgdon H4350
<<locked>>
81%
44237
55%
**43
95%
[Hodgdon H4831]*
<<locked>>
88%
40089
50%
**61
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
40089
50%
**61
90%
Hodgdon H4895
<<locked>>
81%
56927
71%
**43
100%
Hodgdon Hybrid 100V
<<locked>>
81%
36100
45%
**82
98%
Hodgdon LEVERevolution
<<locked>>
81%
53403
67%
**27
100%
[Hodgdon Retumbo]*
<<locked>>
94%
36201
45%
**80
90%
[Hodgdon Superformance]*
<<locked>>
81%
40103
50%
**23
94%
Hodgdon TrailBoss
<<locked>>
81%
28210
35%
**50
100%
Hodgdon VARGET
<<locked>>
81%
54404
68%
**87
100%
IMR 3031
<<locked>>
81%
57711
72%
**27
100%
IMR 4064
<<locked>>
81%
50647
63%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
52808
66%
**41
98%
IMR 4198
<<locked>>
81%
65673
82%
**97
100%
[IMR 4350]*
<<locked>>
81%
38827
49%
**08
94%
IMR 4451 Enduron
<<locked>>
81%
44599
56%
**20
96%
IMR 4831
<<locked>>
81%
38058
48%
**35
98%
IMR 4895
<<locked>>
81%
53359
67%
**10
100%
[IMR 4955 Enduron]*
<<locked>>
85%
38957
49%
**05
90%
[IMR 7828 SSC]*
<<locked>>
91%
39088
49%
**97
90%
IMR 8208 XBR
<<locked>>
81%
58291
73%
**27
100%
Lovex D073.6
<<locked>>
81%
57406
72%
**10
100%
Lovex S060
<<locked>>
81%
54897
69%
**48
100%
Lovex S062
<<locked>>
81%
51169
64%
**25
100%
Lovex S065
<<locked>>
81%
42540
53%
**77
97%
Lovex S070
<<locked>>
81%
40959
51%
**61
96%
[Lovex S071]*
<<locked>>
82%
26731
33%
**26
90%
Norma 201
<<locked>>
81%
55724
70%
**87
100%
Norma 202
<<locked>>
81%
56043
70%
**77
100%
Norma 203B
<<locked>>
81%
51474
64%
**74
100%
[Norma 204]*
<<locked>>
81%
38421
48%
**31
92%
[Norma MRP]*
<<locked>>
81%
31357
39%
**33
90%
Norma URP
<<locked>>
81%
39320
49%
**77
98%
Ramshot Big Game
<<locked>>
81%
51358
64%
**84
100%
[Ramshot Grand]*
<<locked>>
91%
38667
48%
**90
90%
Ramshot Hunter
<<locked>>
81%
38087
48%
**57
95%
[Ramshot Magnum]*
<<locked>>
90%
33301
42%
**43
90%
Ramshot TAC
<<locked>>
81%
58349
73%
**49
100%
Ramshot Wild Boar
<<locked>>
81%
58508
73%
**69
100%
Ramshot X-Terminator
<<locked>>
81%
62772
79%
**82
100%
ReloadSwiss RS 14
<<locked>>
81%
28718
36%
**93
100%
ReloadSwiss RS 40
<<locked>>
81%
64759
81%
**02
100%
ReloadSwiss RS 50
<<locked>>
81%
49429
62%
**15
98%
ReloadSwiss RS 52
<<locked>>
81%
55883
70%
**99
100%
ReloadSwiss RS 60
<<locked>>
81%
45658
57%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
39276
49%
**03
97%
ReloadSwiss RS 70
<<locked>>
81%
38087
48%
**94
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
34084
43%
**15
90%
Rottweil R 901
<<locked>>
81%
60292
75%
**13
100%
Rottweil R 902
<<locked>>
81%
53345
67%
**35
100%
Rottweil R 903
<<locked>>
81%
46963
59%
**76
100%
[Rottweil R 904]*
<<locked>>
83%
37347
47%
**75
90%
[Rottweil R 905]*
<<locked>>
82%
33373
42%
**26
90%
Rottweil R 907
<<locked>>
81%
43511
54%
**87
96%
SNPE Vectan SP 11
<<locked>>
81%
47485
59%
**28
100%
SNPE Vectan SP 7
<<locked>>
81%
58102
73%
**43
100%
SNPE Vectan SP 9
<<locked>>
81%
54882
69%
**07
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
56043
70%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47848
60%
**80
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41698
52%
**18
96%
[SNPE Vectan Tubal 8000]*
<<locked>>
82%
33576
42%
**39
90%
Shooters World Long Rifle
<<locked>>
81%
42540
53%
**77
97%
Shooters World Match Rifle
<<locked>>
81%
57406
72%
**10
100%
Shooters World Precision
<<locked>>
81%
51169
64%
**25
100%
Shooters World SW4350
<<locked>>
81%
40959
51%
**61
96%
Somchem S321
<<locked>>
81%
64034
80%
**18
100%
Somchem S335
<<locked>>
81%
55927
70%
**12
100%
Somchem S341
<<locked>>
81%
57305
72%
**27
100%
Somchem S355
<<locked>>
81%
46949
59%
**69
100%
[Somchem S361]*
<<locked>>
85%
40030
50%
**05
90%
Somchem S365
<<locked>>
81%
35534
44%
**31
99%
[Somchem S385]*
<<locked>>
81%
33518
42%
**10
92%
Vihtavuori N130
<<locked>>
81%
62497
78%
**51
100%
Vihtavuori N133
<<locked>>
81%
56753
71%
**95
100%
Vihtavuori N135
<<locked>>
81%
50981
64%
**69
100%
Vihtavuori N140
<<locked>>
81%
53403
67%
**15
100%
Vihtavuori N150
<<locked>>
81%
44976
56%
**00
100%
Vihtavuori N160
<<locked>>
81%
40524
51%
**71
98%
[Vihtavuori N165]*
<<locked>>
84%
32372
41%
**70
90%
Vihtavuori N530
<<locked>>
81%
59132
74%
**30
100%
Vihtavuori N540
<<locked>>
81%
51488
64%
**05
100%
Vihtavuori N550
<<locked>>
81%
40205
50%
**71
98%
Vihtavuori N555
<<locked>>
81%
31633
40%
**26
96%
[Vihtavuori N560]*
<<locked>>
89%
39914
50%
**36
90%
[Vihtavuori N565]*
<<locked>>
94%
38247
48%
**94
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39726
50%
**44
99%
Winchester 748
<<locked>>
81%
59553
75%
**82
100%
Winchester 760
<<locked>>
81%
41437
52%
**20
96%
[Winchester StaBALL HD]*
<<locked>>
81%
25991
33%
**18
94%
Winchester StaBALL Match
<<locked>>
81%
55201
69%
**10
100%
[Winchester Supreme 780]*
<<locked>>
85%
34563
43%
**26
90%

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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