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Load data for 7 mm Backcountry + .284 | 139gr | Barnes LRX BT

Recommended Powder(s): Accurate 2700, Alliant Power Pro 2000-MR, Hodgdon H380, IMR 4166 Enduron, ReloadSwiss RS 50

7 mm Backcountry + .284 | 139gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Barnes LRX BT
Manufacturer SKU:
30295
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_B561_C991
Last updated:
2026-07-13
Recommended Twist Rate:
1:10 - 1:8

Load data for 256 loads in caliber 7 mm Backcountry with .284 | 139gr | Barnes LRX BT bullet and 128 powders such as Accurate 2700, Alliant Power Pro 2000-MR, Hodgdon H380, IMR 4166 Enduron, ReloadSwiss RS 50. 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%
71678
90%
**28
100%
ADI AR 2206H
<<locked>>
92%
71475
89%
**56
100%
ADI AR 2208
<<locked>>
96%
69734
87%
**17
100%
ADI AR 2209
<<locked>>
96%
48530
61%
**84
95%
ADI Benchmark 8208
<<locked>>
90%
71098
89%
**10
100%
Accurate 2015
<<locked>>
90%
71286
89%
**12
100%
Accurate 2460
<<locked>>
86%
71736
90%
**74
100%
Accurate 2495
<<locked>>
94%
71489
89%
**51
100%
Accurate 2520
<<locked>>
88%
71286
89%
**04
100%
Accurate 2700 👍
<<locked>>
94%
70996
89%
**07
99%
Accurate 3100
<<locked>>
97%
41974
53%
**43
97%
Accurate 4064
<<locked>>
96%
71489
89%
**10
100%
Accurate 4350
<<locked>>
97%
58494
73%
**41
100%
Alliant AR-Comp
<<locked>>
89%
70648
88%
**38
100%
Alliant Power Pro 1200-R
<<locked>>
85%
70575
88%
**96
100%
Alliant Power Pro 2000-MR 👍
<<locked>>
93%
70967
89%
**78
100%
Alliant Reloder- TS 15.5
<<locked>>
97%
71069
89%
**50
100%
Alliant Reloder-10x
<<locked>>
86%
71040
89%
**25
100%
Alliant Reloder-15
<<locked>>
94%
71069
89%
**69
100%
Alliant Reloder-16
<<locked>>
97%
55622
70%
**48
100%
Alliant Reloder-17
<<locked>>
97%
65354
82%
**89
100%
Alliant Reloder-19
<<locked>>
97%
48457
61%
**94
96%
[Alliant Reloder-22]*
<<locked>>
97%
42047
53%
**02
93%
Alliant Reloder-23
<<locked>>
97%
39755
50%
**66
99%
[Alliant Reloder-25]*
<<locked>>
96%
34461
43%
**35
94%
Alliant Reloder-26
<<locked>>
97%
44338
55%
**27
99%
Baschieri & Pellagri 106
<<locked>>
85%
71504
89%
**82
100%
Baschieri & Pellagri 107
<<locked>>
91%
71011
89%
**66
100%
[Bofors RP15]*
<<locked>>
96%
38276
48%
**20
92%
Bofors RP3
<<locked>>
96%
71779
90%
**63
100%
[Bofors RP5]*
<<locked>>
97%
42047
53%
**02
93%
Bofors RP7
<<locked>>
97%
63164
79%
**45
99%
Hodgdon BL-C2
<<locked>>
90%
71547
90%
**43
100%
Hodgdon Benchmark
<<locked>>
90%
71547
90%
**77
100%
Hodgdon CFE223
<<locked>>
87%
71562
90%
**28
100%
Hodgdon H322
<<locked>>
86%
71765
90%
**87
100%
Hodgdon H335
<<locked>>
85%
71823
90%
**04
100%
Hodgdon H380 👍
<<locked>>
96%
71330
89%
**69
100%
Hodgdon H414
<<locked>>
97%
60495
76%
**94
99%
Hodgdon H4350
<<locked>>
97%
65050
81%
**14
99%
[Hodgdon H4831]*
<<locked>>
97%
46543
58%
**18
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
45818
57%
**08
92%
Hodgdon H4895
<<locked>>
91%
71272
89%
**53
100%
Hodgdon Hybrid 100V
<<locked>>
97%
51561
65%
**10
100%
Hodgdon LEVERevolution
<<locked>>
93%
71141
89%
**82
100%
Hodgdon Superformance
<<locked>>
97%
62265
78%
**50
99%
Hodgdon TrailBoss
<<locked>>
96%
33997
43%
**88
100%
Hodgdon VARGET
<<locked>>
92%
70764
89%
**30
100%
IMR 3031
<<locked>>
91%
71460
89%
**17
100%
IMR 4064
<<locked>>
95%
71402
89%
**33
100%
IMR 4166 Enduron 👍
<<locked>>
93%
70692
88%
**23
100%
IMR 4198
<<locked>>
87%
71591
90%
**86
100%
IMR 4350
<<locked>>
96%
56101
70%
**59
98%
IMR 4451 Enduron
<<locked>>
97%
64992
81%
**74
99%
IMR 4831
<<locked>>
97%
54491
68%
**66
100%
IMR 4895
<<locked>>
94%
71620
90%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
96%
48515
61%
**18
93%
IMR 8208 XBR
<<locked>>
90%
71098
89%
**10
100%
Lovex D073.5
<<locked>>
86%
71518
89%
**84
100%
Lovex D073.6
<<locked>>
91%
71649
90%
**17
100%
Lovex S060
<<locked>>
93%
71489
89%
**91
100%
Lovex S062
<<locked>>
96%
71678
90%
**23
100%
Lovex S065
<<locked>>
97%
61003
76%
**15
100%
Lovex S070
<<locked>>
96%
57972
73%
**95
99%
[Lovex S071]*
<<locked>>
97%
34490
43%
**82
94%
Norma 201
<<locked>>
93%
71301
89%
**07
100%
Norma 202
<<locked>>
92%
71170
89%
**87
100%
Norma 203B
<<locked>>
95%
71127
89%
**69
100%
Norma 204
<<locked>>
97%
57638
72%
**25
97%
Norma MRP
<<locked>>
97%
44614
56%
**94
96%
Norma URP
<<locked>>
96%
56405
71%
**15
100%
Ramshot Big Game
<<locked>>
94%
71228
89%
**82
100%
Ramshot Hunter
<<locked>>
97%
55956
70%
**28
99%
Ramshot TAC
<<locked>>
90%
71460
89%
**46
100%
Ramshot Wild Boar
<<locked>>
90%
70648
88%
**46
100%
Ramshot X-Terminator
<<locked>>
88%
71431
89%
**10
100%
ReloadSwiss RS 14
<<locked>>
96%
34389
43%
**27
100%
ReloadSwiss RS 40
<<locked>>
87%
71214
89%
**91
100%
ReloadSwiss RS 50 👍
<<locked>>
96%
71475
89%
**59
100%
ReloadSwiss RS 52
<<locked>>
91%
71388
89%
**28
100%
ReloadSwiss RS 60
<<locked>>
97%
69517
87%
**35
100%
ReloadSwiss RS 62
<<locked>>
97%
57986
73%
**58
100%
ReloadSwiss RS 70
<<locked>>
97%
57217
72%
**91
100%
Rottweil R 901
<<locked>>
91%
71692
90%
**74
100%
Rottweil R 902
<<locked>>
94%
71417
89%
**00
100%
Rottweil R 903
<<locked>>
96%
67414
84%
**97
100%
[Rottweil R 904]*
<<locked>>
97%
50299
63%
**64
94%
Rottweil R 905
<<locked>>
97%
47268
59%
**71
95%
Rottweil R 907
<<locked>>
97%
63164
79%
**45
99%
SNPE Vectan BA6 1/2
<<locked>>
85%
71634
90%
**17
100%
SNPE Vectan SP 11
<<locked>>
97%
71098
89%
**86
100%
SNPE Vectan SP 3
<<locked>>
85%
71663
90%
**41
100%
SNPE Vectan SP 7
<<locked>>
90%
70982
89%
**36
100%
SNPE Vectan SP 9
<<locked>>
92%
71272
89%
**50
100%
SNPE Vectan Tubal 3000
<<locked>>
92%
71330
89%
**22
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
69836
87%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
60785
76%
**59
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
46804
59%
**61
95%
Shooters World Long Rifle
<<locked>>
97%
61003
76%
**15
100%
Shooters World Match Rifle
<<locked>>
91%
71649
90%
**17
100%
Shooters World Precision
<<locked>>
96%
71678
90%
**23
100%
Shooters World SW4350
<<locked>>
96%
57972
73%
**95
99%
Shooters World Tactical Rifle
<<locked>>
85%
71750
90%
**77
100%
Somchem S321
<<locked>>
87%
71460
89%
**23
100%
Somchem S335
<<locked>>
93%
71605
90%
**25
100%
Somchem S341
<<locked>>
91%
71460
89%
**27
100%
Somchem S355
<<locked>>
97%
67776
85%
**04
100%
[Somchem S361]*
<<locked>>
97%
52489
66%
**64
94%
Somchem S365
<<locked>>
96%
51242
64%
**66
100%
Somchem S385
<<locked>>
97%
47456
59%
**41
96%
Vihtavuori N130
<<locked>>
89%
71910
90%
**86
100%
Vihtavuori N133
<<locked>>
92%
71533
90%
**89
100%
Vihtavuori N135
<<locked>>
96%
71170
89%
**41
100%
Vihtavuori N140
<<locked>>
94%
71634
90%
**64
100%
Vihtavuori N150
<<locked>>
96%
64963
81%
**22
100%
Vihtavuori N160
<<locked>>
97%
60060
75%
**28
100%
[Vihtavuori N165]*
<<locked>>
97%
41220
52%
**07
94%
Vihtavuori N530
<<locked>>
90%
70837
89%
**04
100%
Vihtavuori N540
<<locked>>
95%
71373
89%
**87
100%
Vihtavuori N550
<<locked>>
97%
58218
73%
**18
100%
Vihtavuori N555
<<locked>>
97%
44121
55%
**44
99%
[Vihtavuori N560]*
<<locked>>
97%
45426
57%
**81
92%
Winchester 6.5 StaBALL
<<locked>>
97%
59959
75%
**95
100%
Winchester 748
<<locked>>
89%
71562
90%
**46
100%
Winchester 760
<<locked>>
97%
61540
77%
**00
99%
Winchester StaBALL HD
<<locked>>
97%
32068
40%
**79
99%
Winchester StaBALL Match
<<locked>>
92%
71779
90%
**56
100%
[Winchester Supreme 780]*
<<locked>>
97%
44106
55%
**66
94%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59074
74%
**64
100%
ADI AR 2206H
<<locked>>
81%
50749
64%
**71
100%
ADI AR 2208
<<locked>>
81%
43149
54%
**13
99%
[ADI AR 2209]*
<<locked>>
87%
35679
45%
**02
90%
ADI Benchmark 8208
<<locked>>
81%
53011
66%
**67
100%
Accurate 2015
<<locked>>
81%
54621
68%
**12
100%
Accurate 2460
<<locked>>
81%
60756
76%
**43
100%
Accurate 2495
<<locked>>
81%
46992
59%
**40
100%
Accurate 2520
<<locked>>
81%
55419
69%
**07
100%
Accurate 2700
<<locked>>
81%
46180
58%
**26
96%
[Accurate 3100]*
<<locked>>
85%
27441
34%
**85
90%
Accurate 4064
<<locked>>
81%
44382
56%
**36
100%
Accurate 4350
<<locked>>
81%
33170
42%
**66
96%
Alliant AR-Comp
<<locked>>
81%
54375
68%
**51
100%
Alliant Power Pro 1200-R
<<locked>>
81%
62642
78%
**94
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
46847
59%
**17
99%
Alliant Reloder- TS 15.5
<<locked>>
81%
43091
54%
**36
100%
Alliant Reloder-10x
<<locked>>
81%
61177
77%
**07
100%
Alliant Reloder-15
<<locked>>
81%
46166
58%
**08
99%
Alliant Reloder-16
<<locked>>
81%
33315
42%
**85
96%
Alliant Reloder-17
<<locked>>
81%
37347
47%
**13
99%
[Alliant Reloder-19]*
<<locked>>
87%
35288
44%
**05
90%
[Alliant Reloder-22]*
<<locked>>
91%
34867
44%
**31
90%
[Alliant Reloder-23]*
<<locked>>
81%
23801
30%
**00
91%
[Alliant Reloder-25]*
<<locked>>
91%
28747
36%
**64
90%
[Alliant Reloder-26]*
<<locked>>
83%
27267
34%
**70
91%
Baschieri & Pellagri 106
<<locked>>
81%
63150
79%
**94
100%
Baschieri & Pellagri 107
<<locked>>
81%
50415
63%
**77
100%
[Bofors RP15]*
<<locked>>
94%
35186
44%
**38
90%
Bofors RP3
<<locked>>
81%
42801
54%
**36
100%
[Bofors RP5]*
<<locked>>
91%
34867
44%
**31
90%
[Bofors RP7]*
<<locked>>
81%
38130
48%
**98
93%
Hodgdon BL-C2
<<locked>>
81%
52272
65%
**94
100%
Hodgdon Benchmark
<<locked>>
81%
54389
68%
**54
100%
Hodgdon CFE223
<<locked>>
81%
58523
73%
**64
100%
Hodgdon H322
<<locked>>
81%
60626
76%
**59
100%
Hodgdon H335
<<locked>>
81%
62062
78%
**89
100%
Hodgdon H380
<<locked>>
81%
43671
55%
**46
98%
[Hodgdon H414]*
<<locked>>
81%
35476
44%
**08
93%
[Hodgdon H4350]*
<<locked>>
81%
38783
49%
**44
93%
[Hodgdon H4831]*
<<locked>>
93%
41350
52%
**17
90%
[Hodgdon H4831 SC]*
<<locked>>
94%
41350
52%
**17
90%
Hodgdon H4895
<<locked>>
81%
51256
64%
**84
100%
Hodgdon Hybrid 100V
<<locked>>
81%
30676
38%
**74
96%
Hodgdon LEVERevolution
<<locked>>
81%
47732
60%
**51
100%
[Hodgdon Superformance]*
<<locked>>
81%
34780
44%
**15
92%
Hodgdon TrailBoss
<<locked>>
81%
27093
34%
**40
100%
Hodgdon VARGET
<<locked>>
81%
49197
62%
**28
100%
IMR 3031
<<locked>>
81%
51343
64%
**58
100%
IMR 4064
<<locked>>
81%
45397
57%
**53
99%
IMR 4166 Enduron
<<locked>>
81%
47834
60%
**79
97%
IMR 4198
<<locked>>
81%
60771
76%
**61
100%
[IMR 4350]*
<<locked>>
81%
33881
42%
**13
91%
IMR 4451 Enduron
<<locked>>
81%
39740
50%
**38
95%
IMR 4831
<<locked>>
81%
32227
40%
**23
95%
IMR 4895
<<locked>>
81%
47398
59%
**35
100%
[IMR 4955 Enduron]*
<<locked>>
90%
39740
50%
**48
90%
IMR 8208 XBR
<<locked>>
81%
53011
66%
**67
100%
Lovex D073.5
<<locked>>
81%
60655
76%
**63
100%
Lovex D073.6
<<locked>>
81%
50241
63%
**38
100%
Lovex S060
<<locked>>
81%
50125
63%
**99
100%
Lovex S062
<<locked>>
81%
44991
56%
**43
100%
Lovex S065
<<locked>>
81%
36956
46%
**82
95%
[Lovex S070]*
<<locked>>
81%
35012
44%
**46
93%
[Lovex S071]*
<<locked>>
90%
27789
35%
**98
90%
Norma 201
<<locked>>
81%
49501
62%
**15
100%
Norma 202
<<locked>>
81%
50183
63%
**22
100%
Norma 203B
<<locked>>
81%
45426
57%
**92
100%
[Norma 204]*
<<locked>>
83%
35563
44%
**89
90%
[Norma MRP]*
<<locked>>
87%
31575
40%
**69
90%
Norma URP
<<locked>>
81%
33402
42%
**62
95%
Ramshot Big Game
<<locked>>
81%
45484
57%
**12
99%
[Ramshot Hunter]*
<<locked>>
81%
32518
41%
**39
93%
Ramshot TAC
<<locked>>
81%
52823
66%
**87
99%
Ramshot Wild Boar
<<locked>>
81%
52721
66%
**04
100%
Ramshot X-Terminator
<<locked>>
81%
57145
72%
**27
100%
ReloadSwiss RS 14
<<locked>>
81%
27499
34%
**80
100%
ReloadSwiss RS 40
<<locked>>
81%
59437
74%
**46
100%
ReloadSwiss RS 50
<<locked>>
81%
43772
55%
**23
97%
ReloadSwiss RS 52
<<locked>>
81%
49356
62%
**20
100%
ReloadSwiss RS 60
<<locked>>
81%
39740
50%
**79
100%
ReloadSwiss RS 62
<<locked>>
81%
32967
41%
**85
95%
[ReloadSwiss RS 70]*
<<locked>>
81%
32677
41%
**79
94%
Rottweil R 901
<<locked>>
81%
53417
67%
**44
100%
Rottweil R 902
<<locked>>
81%
47166
59%
**69
100%
Rottweil R 903
<<locked>>
81%
40030
50%
**80
99%
[Rottweil R 904]*
<<locked>>
88%
38247
48%
**25
90%
[Rottweil R 905]*
<<locked>>
88%
34403
43%
**82
90%
[Rottweil R 907]*
<<locked>>
81%
38130
48%
**98
93%
SNPE Vectan BA6 1/2
<<locked>>
81%
64092
80%
**35
100%
SNPE Vectan SP 11
<<locked>>
81%
41481
52%
**40
99%
SNPE Vectan SP 3
<<locked>>
81%
62613
78%
**40
100%
SNPE Vectan SP 7
<<locked>>
81%
51721
65%
**64
99%
SNPE Vectan SP 9
<<locked>>
81%
49197
62%
**35
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
50923
64%
**62
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
42525
53%
**18
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36419
46%
**26
94%
[SNPE Vectan Tubal 8000]*
<<locked>>
88%
34113
43%
**82
90%
Shooters World Long Rifle
<<locked>>
81%
36956
46%
**82
95%
Shooters World Match Rifle
<<locked>>
81%
50241
63%
**38
100%
Shooters World Precision
<<locked>>
81%
44991
56%
**43
100%
[Shooters World SW4350]*
<<locked>>
81%
35012
44%
**46
93%
Shooters World Tactical Rifle
<<locked>>
81%
62671
78%
**72
100%
Somchem S321
<<locked>>
81%
57899
72%
**53
100%
Somchem S335
<<locked>>
81%
50299
63%
**53
100%
Somchem S341
<<locked>>
81%
51387
64%
**61
100%
Somchem S355
<<locked>>
81%
40901
51%
**84
99%
[Somchem S361]*
<<locked>>
89%
40437
51%
**41
90%
Somchem S365
<<locked>>
81%
29849
37%
**16
98%
[Somchem S385]*
<<locked>>
85%
31865
40%
**00
90%
Vihtavuori N130
<<locked>>
81%
57159
72%
**08
100%
Vihtavuori N133
<<locked>>
81%
51314
64%
**49
100%
Vihtavuori N135
<<locked>>
81%
44831
56%
**97
100%
Vihtavuori N140
<<locked>>
81%
47413
59%
**46
100%
Vihtavuori N150
<<locked>>
81%
38943
49%
**15
100%
Vihtavuori N160
<<locked>>
81%
34954
44%
**72
96%
[Vihtavuori N165]*
<<locked>>
90%
33040
41%
**13
90%
Vihtavuori N530
<<locked>>
81%
53156
67%
**64
100%
Vihtavuori N540
<<locked>>
81%
45934
57%
**43
100%
Vihtavuori N550
<<locked>>
81%
34476
43%
**72
96%
[Vihtavuori N555]*
<<locked>>
81%
25643
32%
**88
92%
[Vihtavuori N560]*
<<locked>>
94%
40828
51%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
34505
43%
**46
98%
Winchester 748
<<locked>>
81%
53882
67%
**23
100%
[Winchester 760]*
<<locked>>
81%
35476
44%
**08
93%
[Winchester StaBALL HD]*
<<locked>>
84%
23395
29%
**36
90%
Winchester StaBALL Match
<<locked>>
81%
49110
61%
**44
100%
[Winchester Supreme 780]*
<<locked>>
90%
35128
44%
**69
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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