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Load data for 7 mm Backcountry + .284 | 139gr | Hornady SP

Recommended Powder(s): Hodgdon H414, IMR 4451 Enduron, ReloadSwiss RS 50, ReloadSwiss RS 70, Winchester 760

7 mm Backcountry + .284 | 139gr | Hornady SP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hornady SP
Manufacturer SKU:
2820
Bullet Weight:
139gr | 9.0g
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_B2628_C991
Last updated:
2026-07-12

Load data for 264 loads in caliber 7 mm Backcountry with .284 | 139gr | Hornady SP bullet and 132 powders such as Hodgdon H414, IMR 4451 Enduron, ReloadSwiss RS 50, 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>>
92%
71344
89%
**61
101%
ADI AR 2206H
<<locked>>
90%
71475
89%
**66
100%
ADI AR 2208
<<locked>>
95%
71286
89%
**53
100%
ADI AR 2209
<<locked>>
97%
52634
66%
**79
97%
[ADI AR 2213]*
<<locked>>
97%
46876
59%
**90
93%
ADI Benchmark 8208
<<locked>>
89%
71808
90%
**33
100%
Accurate 2015
<<locked>>
88%
71504
89%
**28
100%
Accurate 2460
<<locked>>
84%
71286
89%
**81
100%
Accurate 2495
<<locked>>
91%
70822
89%
**48
100%
Accurate 2520
<<locked>>
87%
71924
90%
**20
100%
Accurate 2700
<<locked>>
92%
71620
90%
**23
100%
Accurate 3100
<<locked>>
97%
45818
57%
**18
98%
Accurate 4064
<<locked>>
93%
71924
90%
**20
100%
Accurate 4350
<<locked>>
97%
63295
79%
**14
100%
[Accurate MAGPRO]*
<<locked>>
97%
47413
59%
**40
93%
Alliant AR-Comp
<<locked>>
87%
71794
90%
**58
100%
Alliant Power Pro 2000-MR
<<locked>>
91%
71721
90%
**01
100%
Alliant Reloder- TS 15.5
<<locked>>
95%
71794
90%
**66
100%
Alliant Reloder-10x
<<locked>>
84%
71620
90%
**38
100%
Alliant Reloder-15
<<locked>>
93%
71808
90%
**99
100%
Alliant Reloder-16
<<locked>>
97%
59553
75%
**20
100%
Alliant Reloder-17
<<locked>>
97%
71170
89%
**61
100%
Alliant Reloder-19
<<locked>>
97%
51996
65%
**69
97%
Alliant Reloder-22
<<locked>>
97%
45730
57%
**90
95%
Alliant Reloder-23
<<locked>>
97%
43859
55%
**61
100%
Alliant Reloder-25
<<locked>>
97%
38014
48%
**49
96%
Alliant Reloder-26
<<locked>>
97%
49559
62%
**41
100%
Baschieri & Pellagri 106
<<locked>>
83%
71402
89%
**92
100%
Baschieri & Pellagri 107
<<locked>>
89%
70909
89%
**76
100%
[Bofors RP15]*
<<locked>>
97%
42554
53%
**18
94%
Bofors RP3
<<locked>>
94%
70909
89%
**63
100%
Bofors RP5
<<locked>>
97%
45730
57%
**90
95%
Bofors RP7
<<locked>>
97%
67820
85%
**27
100%
Hodgdon BL-C2
<<locked>>
88%
71170
89%
**53
100%
Hodgdon Benchmark
<<locked>>
88%
71054
89%
**81
100%
Hodgdon CFE223
<<locked>>
85%
71533
90%
**35
100%
Hodgdon H322
<<locked>>
84%
71272
89%
**91
100%
Hodgdon H335
<<locked>>
83%
71576
90%
**14
100%
Hodgdon H380
<<locked>>
93%
70822
89%
**76
100%
Hodgdon H414 👍
<<locked>>
97%
65934
83%
**76
100%
Hodgdon H4350
<<locked>>
97%
69256
87%
**86
99%
[Hodgdon H4831]*
<<locked>>
97%
50908
64%
**20
94%
[Hodgdon H4831 SC]*
<<locked>>
97%
49327
62%
**90
94%
Hodgdon H4895
<<locked>>
89%
70996
89%
**59
100%
Hodgdon Hybrid 100V
<<locked>>
97%
55927
70%
**82
100%
Hodgdon LEVERevolution
<<locked>>
91%
71272
89%
**96
100%
Hodgdon Superformance
<<locked>>
97%
67805
85%
**35
100%
Hodgdon TrailBoss
<<locked>>
96%
34287
43%
**11
100%
Hodgdon VARGET
<<locked>>
91%
71301
89%
**53
100%
IMR 3031
<<locked>>
89%
71852
90%
**23
100%
IMR 4064
<<locked>>
94%
71866
90%
**53
100%
IMR 4166 Enduron
<<locked>>
92%
70967
89%
**46
100%
IMR 4198
<<locked>>
85%
71286
89%
**95
100%
IMR 4350
<<locked>>
97%
60336
76%
**38
99%
IMR 4451 Enduron 👍
<<locked>>
97%
69459
87%
**50
100%
IMR 4831
<<locked>>
97%
59524
74%
**51
100%
IMR 4895
<<locked>>
92%
71533
90%
**99
100%
IMR 4955 Enduron
<<locked>>
97%
52388
66%
**07
95%
[IMR 7828 SSC]*
<<locked>>
97%
44918
56%
**67
93%
IMR 8208 XBR
<<locked>>
89%
71808
90%
**33
100%
Lovex D073.5
<<locked>>
84%
71083
89%
**97
100%
Lovex D073.6
<<locked>>
89%
71228
89%
**17
100%
Lovex S060
<<locked>>
90%
70808
89%
**00
100%
Lovex S062
<<locked>>
94%
71330
89%
**36
100%
Lovex S065
<<locked>>
97%
65615
82%
**94
100%
Lovex S070
<<locked>>
97%
63179
79%
**87
100%
Lovex S071
<<locked>>
97%
38798
49%
**74
96%
Norma 201
<<locked>>
90%
71054
89%
**23
100%
Norma 202
<<locked>>
90%
70938
89%
**97
100%
Norma 203B
<<locked>>
93%
70938
89%
**73
100%
Norma 204
<<locked>>
97%
61670
77%
**00
98%
Norma MRP
<<locked>>
97%
48327
60%
**82
98%
Norma URP
<<locked>>
97%
61902
77%
**04
100%
Ramshot Big Game
<<locked>>
92%
71750
90%
**92
100%
[Ramshot Grand]*
<<locked>>
97%
44643
56%
**67
93%
Ramshot Hunter
<<locked>>
97%
60031
75%
**00
100%
[Ramshot Magnum]*
<<locked>>
97%
39871
50%
**46
94%
Ramshot TAC
<<locked>>
88%
71779
90%
**63
100%
Ramshot Wild Boar
<<locked>>
88%
71257
89%
**66
100%
Ramshot X-Terminator
<<locked>>
86%
71707
90%
**27
100%
ReloadSwiss RS 14
<<locked>>
97%
35331
44%
**64
100%
ReloadSwiss RS 40
<<locked>>
85%
71533
90%
**07
100%
ReloadSwiss RS 50 👍
<<locked>>
94%
71721
90%
**69
100%
ReloadSwiss RS 52
<<locked>>
90%
71765
90%
**48
100%
ReloadSwiss RS 60
<<locked>>
95%
70837
89%
**55
100%
ReloadSwiss RS 62
<<locked>>
97%
63440
79%
**43
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
61757
77%
**76
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36767
46%
**36
93%
Rottweil R 901
<<locked>>
88%
70996
89%
**81
100%
Rottweil R 902
<<locked>>
92%
70880
89%
**07
100%
Rottweil R 903
<<locked>>
96%
71185
89%
**50
100%
Rottweil R 904
<<locked>>
97%
54984
69%
**59
96%
Rottweil R 905
<<locked>>
97%
51401
64%
**53
97%
Rottweil R 907
<<locked>>
97%
67820
85%
**27
100%
SNPE Vectan BA6 1/2
<<locked>>
84%
71895
90%
**36
100%
SNPE Vectan SP 11
<<locked>>
95%
70938
89%
**92
100%
SNPE Vectan SP 3
<<locked>>
84%
71330
89%
**54
100%
SNPE Vectan SP 7
<<locked>>
88%
70924
89%
**50
100%
SNPE Vectan SP 9
<<locked>>
90%
71344
89%
**53
100%
SNPE Vectan Tubal 3000
<<locked>>
90%
71591
90%
**35
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
70851
89%
**05
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
65282
82%
**35
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
50937
64%
**46
97%
Shooters World Long Rifle
<<locked>>
97%
65615
82%
**94
100%
Shooters World Match Rifle
<<locked>>
89%
71228
89%
**17
100%
Shooters World Precision
<<locked>>
94%
71330
89%
**36
100%
Shooters World SW4350
<<locked>>
97%
63179
79%
**87
100%
Somchem S321
<<locked>>
85%
71765
90%
**43
100%
Somchem S335
<<locked>>
90%
71330
89%
**35
100%
Somchem S341
<<locked>>
89%
71344
89%
**40
100%
Somchem S355
<<locked>>
96%
70692
88%
**53
100%
Somchem S361
<<locked>>
97%
56347
71%
**46
95%
Somchem S365
<<locked>>
97%
56579
71%
**41
100%
Somchem S385
<<locked>>
97%
51488
64%
**20
98%
Vihtavuori N130
<<locked>>
87%
71388
89%
**92
100%
Vihtavuori N133
<<locked>>
90%
71895
90%
**05
100%
Vihtavuori N135
<<locked>>
94%
71707
90%
**61
100%
Vihtavuori N140
<<locked>>
92%
71881
90%
**74
100%
Vihtavuori N150
<<locked>>
97%
70648
88%
**94
100%
Vihtavuori N160
<<locked>>
97%
63933
80%
**84
100%
Vihtavuori N165
<<locked>>
97%
44599
56%
**85
96%
Vihtavuori N530
<<locked>>
88%
71040
89%
**14
100%
Vihtavuori N540
<<locked>>
93%
71779
90%
**97
100%
Vihtavuori N550
<<locked>>
97%
62932
79%
**94
100%
Vihtavuori N555
<<locked>>
97%
48385
61%
**33
100%
[Vihtavuori N560]*
<<locked>>
97%
48834
61%
**69
94%
Winchester 6.5 StaBALL
<<locked>>
97%
64658
81%
**58
100%
Winchester 748
<<locked>>
88%
71765
90%
**66
100%
Winchester 760 👍
<<locked>>
97%
65934
83%
**76
100%
Winchester StaBALL HD
<<locked>>
97%
36724
46%
**71
100%
Winchester StaBALL Match
<<locked>>
90%
71707
90%
**66
100%
Winchester Supreme 780
<<locked>>
97%
48501
61%
**64
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59553
75%
**97
100%
ADI AR 2206H
<<locked>>
81%
54230
68%
**33
100%
ADI AR 2208
<<locked>>
81%
46224
58%
**82
99%
[ADI AR 2209]*
<<locked>>
84%
34824
44%
**85
90%
[ADI AR 2213]*
<<locked>>
91%
39407
49%
**20
90%
ADI Benchmark 8208
<<locked>>
81%
56362
71%
**33
100%
Accurate 2015
<<locked>>
81%
58653
73%
**74
100%
Accurate 2460
<<locked>>
81%
64948
81%
**09
100%
Accurate 2495
<<locked>>
81%
51314
64%
**02
100%
Accurate 2520
<<locked>>
81%
59625
75%
**66
100%
Accurate 2700
<<locked>>
81%
49429
62%
**99
97%
[Accurate 3100]*
<<locked>>
81%
27282
34%
**75
90%
Accurate 4064
<<locked>>
81%
48617
61%
**05
100%
Accurate 4350
<<locked>>
81%
36709
46%
**51
97%
[Accurate MAGPRO]*
<<locked>>
92%
41046
51%
**05
90%
Alliant AR-Comp
<<locked>>
81%
58044
73%
**04
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
50749
64%
**92
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
46499
58%
**05
100%
Alliant Reloder-10x
<<locked>>
81%
65093
81%
**69
100%
Alliant Reloder-15
<<locked>>
81%
49705
62%
**77
100%
Alliant Reloder-16
<<locked>>
81%
36230
45%
**67
97%
Alliant Reloder-17
<<locked>>
81%
40654
51%
**99
100%
[Alliant Reloder-19]*
<<locked>>
83%
33895
42%
**75
90%
[Alliant Reloder-22]*
<<locked>>
88%
34258
43%
**18
90%
[Alliant Reloder-23]*
<<locked>>
81%
26397
33%
**98
94%
[Alliant Reloder-25]*
<<locked>>
87%
28398
36%
**57
90%
[Alliant Reloder-26]*
<<locked>>
81%
27905
35%
**90
92%
Baschieri & Pellagri 106
<<locked>>
81%
66195
83%
**40
100%
Baschieri & Pellagri 107
<<locked>>
81%
53969
68%
**49
100%
[Bofors RP15]*
<<locked>>
90%
34113
43%
**15
90%
Bofors RP3
<<locked>>
81%
46804
59%
**15
100%
[Bofors RP5]*
<<locked>>
88%
34258
43%
**18
90%
Bofors RP7
<<locked>>
81%
41307
52%
**74
95%
Hodgdon BL-C2
<<locked>>
81%
56449
71%
**66
100%
Hodgdon Benchmark
<<locked>>
81%
57682
72%
**07
100%
Hodgdon CFE223
<<locked>>
81%
63077
79%
**36
100%
Hodgdon H322
<<locked>>
81%
64832
81%
**18
100%
Hodgdon H335
<<locked>>
81%
66326
83%
**48
100%
Hodgdon H380
<<locked>>
81%
46949
59%
**25
99%
Hodgdon H414
<<locked>>
81%
38914
49%
**97
95%
[Hodgdon H4350]*
<<locked>>
81%
42047
53%
**23
94%
[Hodgdon H4831]*
<<locked>>
90%
40030
50%
**97
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
40030
50%
**97
90%
Hodgdon H4895
<<locked>>
81%
54795
69%
**43
100%
Hodgdon Hybrid 100V
<<locked>>
81%
33402
42%
**52
98%
Hodgdon LEVERevolution
<<locked>>
81%
51517
64%
**30
100%
[Hodgdon Superformance]*
<<locked>>
81%
37855
47%
**00
94%
Hodgdon TrailBoss
<<locked>>
81%
27659
35%
**67
100%
Hodgdon VARGET
<<locked>>
81%
52402
66%
**97
100%
IMR 3031
<<locked>>
81%
55390
69%
**30
100%
IMR 4064
<<locked>>
81%
48660
61%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
50734
63%
**38
98%
IMR 4198
<<locked>>
81%
64005
80%
**13
100%
[IMR 4350]*
<<locked>>
81%
36782
46%
**98
93%
IMR 4451 Enduron
<<locked>>
81%
42583
53%
**10
96%
IMR 4831
<<locked>>
81%
35389
44%
**05
97%
IMR 4895
<<locked>>
81%
50894
64%
**00
100%
[IMR 4955 Enduron]*
<<locked>>
87%
38957
49%
**35
90%
[IMR 7828 SSC]*
<<locked>>
92%
38914
49%
**26
90%
IMR 8208 XBR
<<locked>>
81%
56362
71%
**33
100%
Lovex D073.5
<<locked>>
81%
64788
81%
**15
100%
Lovex D073.6
<<locked>>
81%
54317
68%
**04
100%
Lovex S060
<<locked>>
81%
53098
66%
**58
100%
Lovex S062
<<locked>>
81%
48457
61%
**12
100%
Lovex S065
<<locked>>
81%
40118
50%
**54
97%
Lovex S070
<<locked>>
81%
38363
48%
**38
95%
[Lovex S071]*
<<locked>>
86%
27282
34%
**75
90%
Norma 201
<<locked>>
81%
53127
66%
**81
100%
Norma 202
<<locked>>
81%
53664
67%
**77
100%
Norma 203B
<<locked>>
81%
48921
61%
**61
100%
[Norma 204]*
<<locked>>
81%
36143
45%
**15
91%
[Norma MRP]*
<<locked>>
84%
31343
39%
**62
90%
Norma URP
<<locked>>
81%
36782
46%
**54
97%
Ramshot Big Game
<<locked>>
81%
49240
62%
**81
100%
[Ramshot Grand]*
<<locked>>
92%
38377
48%
**23
90%
Ramshot Hunter
<<locked>>
81%
35679
45%
**31
95%
[Ramshot Magnum]*
<<locked>>
92%
33228
42%
**69
90%
Ramshot TAC
<<locked>>
81%
56550
71%
**56
100%
Ramshot Wild Boar
<<locked>>
81%
56753
71%
**76
100%
Ramshot X-Terminator
<<locked>>
81%
60945
76%
**92
100%
ReloadSwiss RS 14
<<locked>>
81%
28079
35%
**03
100%
ReloadSwiss RS 40
<<locked>>
81%
63382
79%
**15
100%
ReloadSwiss RS 50
<<locked>>
81%
47340
59%
**12
98%
ReloadSwiss RS 52
<<locked>>
81%
53548
67%
**99
100%
ReloadSwiss RS 60
<<locked>>
81%
43337
54%
**61
100%
ReloadSwiss RS 62
<<locked>>
81%
36361
46%
**71
97%
ReloadSwiss RS 70
<<locked>>
81%
35723
45%
**67
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
33489
42%
**35
90%
Rottweil R 901
<<locked>>
81%
57421
72%
**13
100%
Rottweil R 902
<<locked>>
81%
50430
63%
**25
100%
Rottweil R 903
<<locked>>
81%
44005
55%
**56
100%
[Rottweil R 904]*
<<locked>>
85%
36927
46%
**02
90%
[Rottweil R 905]*
<<locked>>
84%
33475
42%
**69
90%
Rottweil R 907
<<locked>>
81%
41307
52%
**74
95%
SNPE Vectan BA6 1/2
<<locked>>
81%
66863
84%
**80
100%
SNPE Vectan SP 11
<<locked>>
81%
45078
56%
**08
100%
SNPE Vectan SP 3
<<locked>>
81%
66036
83%
**89
100%
SNPE Vectan SP 7
<<locked>>
81%
55288
69%
**36
100%
SNPE Vectan SP 9
<<locked>>
81%
52649
66%
**00
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53969
68%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45339
57%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39320
49%
**95
95%
[SNPE Vectan Tubal 8000]*
<<locked>>
85%
33736
42%
**72
90%
Shooters World Long Rifle
<<locked>>
81%
40118
50%
**54
97%
Shooters World Match Rifle
<<locked>>
81%
54317
68%
**04
100%
Shooters World Precision
<<locked>>
81%
48457
61%
**12
100%
Shooters World SW4350
<<locked>>
81%
38363
48%
**38
95%
Somchem S321
<<locked>>
81%
61583
77%
**12
100%
Somchem S335
<<locked>>
81%
53621
67%
**15
100%
Somchem S341
<<locked>>
81%
54853
69%
**17
100%
Somchem S355
<<locked>>
81%
44324
55%
**59
100%
[Somchem S361]*
<<locked>>
86%
39465
49%
**28
90%
Somchem S365
<<locked>>
81%
32851
41%
**02
99%
[Somchem S385]*
<<locked>>
81%
30937
39%
**77
90%
Vihtavuori N130
<<locked>>
81%
60307
75%
**58
100%
Vihtavuori N133
<<locked>>
81%
54346
68%
**92
100%
Vihtavuori N135
<<locked>>
81%
48109
60%
**59
100%
Vihtavuori N140
<<locked>>
81%
51053
64%
**12
100%
Vihtavuori N150
<<locked>>
81%
42482
53%
**90
100%
Vihtavuori N160
<<locked>>
81%
38145
48%
**54
97%
[Vihtavuori N165]*
<<locked>>
87%
32271
40%
**00
90%
Vihtavuori N530
<<locked>>
81%
57014
71%
**30
100%
Vihtavuori N540
<<locked>>
81%
49153
62%
**99
100%
Vihtavuori N550
<<locked>>
81%
37463
47%
**48
97%
[Vihtavuori N555]*
<<locked>>
81%
28660
36%
**80
94%
[Vihtavuori N560]*
<<locked>>
90%
39726
50%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37362
47%
**21
99%
Winchester 748
<<locked>>
81%
57725
72%
**82
100%
Winchester 760
<<locked>>
81%
38914
49%
**97
95%
[Winchester StaBALL HD]*
<<locked>>
81%
23235
29%
**29
90%
Winchester StaBALL Match
<<locked>>
81%
52721
66%
**10
100%
[Winchester Supreme 780]*
<<locked>>
87%
34345
43%
**52
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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