top of page

Load data for 7 mm Backcountry + .284 | 145gr | Barnes LRX BT

Recommended Powder(s): Accurate 2700, IMR 4166 Enduron, IMR 4451 Enduron, ReloadSwiss RS 50, ReloadSwiss RS 70

7 mm Backcountry + .284 | 145gr | Barnes LRX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 145gr | Barnes LRX BT
Manufacturer SKU:
30282
Bullet Weight:
145gr | 9.4g
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_B564_C991
Last updated:
2026-07-13
Recommended Twist Rate:
1:9 - 1:8

Load data for 266 loads in caliber 7 mm Backcountry with .284 | 145gr | Barnes LRX BT bullet and 133 powders such as Accurate 2700, IMR 4166 Enduron, IMR 4451 Enduron, ReloadSwiss RS 50, ReloadSwiss RS 70. 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.

    .

    Loading_icon.gif

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%
70866
89%
**75
101%
ADI AR 2206H
<<locked>>
91%
70793
89%
**87
100%
ADI AR 2208
<<locked>>
96%
71228
89%
**81
100%
ADI AR 2209
<<locked>>
97%
50140
63%
**71
96%
[ADI AR 2213]*
<<locked>>
97%
44483
56%
**69
93%
ADI Benchmark 8208
<<locked>>
90%
71199
89%
**51
100%
Accurate 2015
<<locked>>
89%
70866
89%
**46
100%
Accurate 2460
<<locked>>
85%
70706
88%
**99
100%
Accurate 2495
<<locked>>
93%
71910
90%
**89
100%
Accurate 2520
<<locked>>
88%
71692
90%
**45
100%
Accurate 2700 👍
<<locked>>
93%
71649
90%
**54
100%
Accurate 3100
<<locked>>
97%
42583
53%
**07
97%
Accurate 4064
<<locked>>
95%
71910
90%
**41
100%
Accurate 4350
<<locked>>
97%
59263
74%
**95
100%
[Accurate MAGPRO]*
<<locked>>
97%
44469
56%
**22
92%
Alliant AR-Comp
<<locked>>
89%
71025
89%
**76
100%
Alliant Power Pro 1200-R
<<locked>>
84%
70924
89%
**36
100%
Alliant Power Pro 2000-MR
<<locked>>
92%
71011
89%
**12
100%
Alliant Reloder- TS 15.5
<<locked>>
96%
71605
90%
**87
100%
Alliant Reloder-10x
<<locked>>
86%
71518
89%
**59
100%
Alliant Reloder-15
<<locked>>
94%
71533
90%
**14
100%
Alliant Reloder-16
<<locked>>
97%
57116
71%
**12
100%
Alliant Reloder-17
<<locked>>
97%
67283
84%
**46
100%
Alliant Reloder-19
<<locked>>
97%
48950
61%
**44
96%
[Alliant Reloder-22]*
<<locked>>
97%
42931
54%
**76
94%
Alliant Reloder-23
<<locked>>
97%
40959
51%
**40
100%
Alliant Reloder-25
<<locked>>
97%
35694
45%
**25
95%
Alliant Reloder-26
<<locked>>
97%
45542
57%
**04
99%
Baschieri & Pellagri 106
<<locked>>
84%
71504
89%
**23
100%
Baschieri & Pellagri 107
<<locked>>
91%
71591
90%
**17
100%
[Bofors RP15]*
<<locked>>
97%
39784
50%
**07
93%
Bofors RP3
<<locked>>
95%
71866
90%
**97
100%
[Bofors RP5]*
<<locked>>
97%
42931
54%
**76
94%
Bofors RP7
<<locked>>
97%
64629
81%
**09
99%
Hodgdon BL-C2
<<locked>>
89%
71402
89%
**77
100%
Hodgdon Benchmark
<<locked>>
89%
71533
90%
**09
100%
Hodgdon CFE223
<<locked>>
86%
70996
89%
**59
100%
Hodgdon H322
<<locked>>
85%
71315
89%
**22
100%
Hodgdon H335
<<locked>>
85%
71547
90%
**35
100%
Hodgdon H380
<<locked>>
95%
70808
89%
**04
100%
Hodgdon H414
<<locked>>
97%
62236
78%
**48
99%
Hodgdon H4350
<<locked>>
97%
66036
83%
**71
99%
[Hodgdon H4831]*
<<locked>>
97%
48298
60%
**02
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
46659
58%
**69
93%
Hodgdon H4895
<<locked>>
91%
71591
90%
**97
100%
Hodgdon Hybrid 100V
<<locked>>
97%
53040
66%
**74
100%
Hodgdon LEVERevolution
<<locked>>
92%
71779
90%
**23
100%
Hodgdon Superformance
<<locked>>
97%
64353
81%
**14
99%
Hodgdon TrailBoss
<<locked>>
96%
34142
43%
**49
100%
Hodgdon VARGET
<<locked>>
92%
71083
89%
**74
100%
IMR 3031
<<locked>>
90%
71286
89%
**45
100%
IMR 4064
<<locked>>
95%
71591
90%
**68
100%
IMR 4166 Enduron 👍
<<locked>>
93%
71011
89%
**64
100%
IMR 4198
<<locked>>
86%
70764
89%
**17
100%
IMR 4350
<<locked>>
97%
57841
72%
**27
99%
IMR 4451 Enduron 👍
<<locked>>
97%
66442
83%
**35
100%
IMR 4831
<<locked>>
97%
55912
70%
**30
100%
IMR 4895
<<locked>>
93%
71069
89%
**14
100%
[IMR 4955 Enduron]*
<<locked>>
97%
50038
63%
**02
94%
[IMR 7828 SSC]*
<<locked>>
97%
42250
53%
**46
92%
IMR 8208 XBR
<<locked>>
90%
71199
89%
**51
100%
Lovex D073.5
<<locked>>
85%
71837
90%
**28
100%
Lovex D073.6
<<locked>>
91%
71518
89%
**48
100%
Lovex S060
<<locked>>
92%
71112
89%
**22
100%
Lovex S062
<<locked>>
95%
71446
89%
**54
100%
Lovex S065
<<locked>>
97%
62439
78%
**76
100%
Lovex S070
<<locked>>
97%
59973
75%
**66
99%
Lovex S071
<<locked>>
97%
35607
45%
**59
95%
Norma 201
<<locked>>
92%
71373
89%
**48
100%
Norma 202
<<locked>>
92%
71460
89%
**31
100%
Norma 203B
<<locked>>
94%
71779
90%
**10
100%
Norma 204
<<locked>>
97%
59306
74%
**95
98%
Norma MRP
<<locked>>
97%
45832
57%
**71
97%
Norma URP
<<locked>>
97%
58363
73%
**82
100%
Ramshot Big Game
<<locked>>
93%
71344
89%
**23
100%
[Ramshot Grand]*
<<locked>>
97%
41756
52%
**36
92%
Ramshot Hunter
<<locked>>
97%
57638
72%
**99
100%
[Ramshot Magnum]*
<<locked>>
97%
37318
47%
**25
93%
Ramshot TAC
<<locked>>
89%
71344
89%
**84
100%
Ramshot Wild Boar
<<locked>>
89%
71518
89%
**97
100%
Ramshot X-Terminator
<<locked>>
87%
71591
90%
**45
100%
ReloadSwiss RS 14
<<locked>>
96%
34563
43%
**88
100%
ReloadSwiss RS 40
<<locked>>
86%
71228
89%
**31
100%
ReloadSwiss RS 50 👍
<<locked>>
95%
71446
89%
**97
100%
ReloadSwiss RS 52
<<locked>>
91%
71663
90%
**73
100%
ReloadSwiss RS 60
<<locked>>
97%
71721
90%
**96
100%
ReloadSwiss RS 62
<<locked>>
97%
59712
75%
**25
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
58639
73%
**61
100%
Rottweil R 901
<<locked>>
90%
71228
89%
**09
100%
Rottweil R 902
<<locked>>
94%
71823
90%
**45
100%
Rottweil R 903
<<locked>>
97%
69633
87%
**68
100%
Rottweil R 904
<<locked>>
97%
52069
65%
**48
95%
Rottweil R 905
<<locked>>
97%
48240
60%
**38
96%
Rottweil R 907
<<locked>>
97%
64629
81%
**09
99%
SNPE Vectan BA6 1/2
<<locked>>
85%
71547
90%
**54
100%
SNPE Vectan SP 11
<<locked>>
96%
71649
90%
**27
100%
SNPE Vectan SP 3
<<locked>>
85%
71605
90%
**76
100%
SNPE Vectan SP 7
<<locked>>
90%
71301
89%
**74
100%
SNPE Vectan SP 9
<<locked>>
92%
71881
90%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
91%
71489
89%
**53
100%
SNPE Vectan Tubal 5000
<<locked>>
97%
71214
89%
**36
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
62265
78%
**23
99%
SNPE Vectan Tubal 8000
<<locked>>
97%
47790
60%
**28
96%
Shooters World Long Rifle
<<locked>>
97%
62439
78%
**76
100%
Shooters World Match Rifle
<<locked>>
91%
71518
89%
**48
100%
Shooters World Precision
<<locked>>
95%
71446
89%
**54
100%
Shooters World SW4350
<<locked>>
97%
59973
75%
**66
99%
Shooters World Tactical Rifle
<<locked>>
84%
71373
89%
**18
100%
Somchem S321
<<locked>>
87%
71837
90%
**71
100%
Somchem S335
<<locked>>
91%
70648
88%
**53
100%
Somchem S341
<<locked>>
90%
70692
88%
**51
100%
Somchem S355
<<locked>>
97%
69401
87%
**58
100%
Somchem S361
<<locked>>
97%
53548
67%
**35
95%
Somchem S365
<<locked>>
97%
53461
67%
**36
100%
Somchem S385
<<locked>>
97%
48428
61%
**08
97%
Vihtavuori N130
<<locked>>
88%
71837
90%
**20
100%
Vihtavuori N133
<<locked>>
91%
71620
90%
**27
100%
Vihtavuori N135
<<locked>>
95%
71678
90%
**86
100%
Vihtavuori N140
<<locked>>
93%
71402
89%
**95
100%
Vihtavuori N150
<<locked>>
97%
67312
84%
**82
100%
Vihtavuori N160
<<locked>>
97%
60466
76%
**79
100%
Vihtavuori N165
<<locked>>
97%
41771
52%
**71
95%
Vihtavuori N530
<<locked>>
89%
71678
90%
**38
100%
Vihtavuori N540
<<locked>>
94%
71678
90%
**22
100%
Vihtavuori N550
<<locked>>
97%
59698
75%
**82
100%
Vihtavuori N555
<<locked>>
97%
45614
57%
**15
100%
[Vihtavuori N560]*
<<locked>>
97%
46586
58%
**58
93%
Winchester 6.5 StaBALL
<<locked>>
97%
61743
77%
**59
100%
Winchester 748
<<locked>>
88%
70706
88%
**74
100%
Winchester 760
<<locked>>
97%
62772
79%
**64
100%
Winchester StaBALL HD
<<locked>>
97%
33823
42%
**59
100%
Winchester StaBALL Match
<<locked>>
91%
71011
89%
**77
100%
Winchester Supreme 780
<<locked>>
97%
45455
57%
**43
95%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59364
74%
**21
100%
ADI AR 2206H
<<locked>>
81%
51793
65%
**25
100%
ADI AR 2208
<<locked>>
81%
44005
55%
**80
99%
[ADI AR 2209]*
<<locked>>
85%
34360
43%
**20
90%
[ADI AR 2213]*
<<locked>>
92%
38682
48%
**48
90%
ADI Benchmark 8208
<<locked>>
81%
53954
68%
**28
100%
Accurate 2015
<<locked>>
81%
56014
70%
**72
100%
Accurate 2460
<<locked>>
81%
61946
78%
**00
100%
Accurate 2495
<<locked>>
81%
47921
60%
**97
100%
Accurate 2520
<<locked>>
81%
56768
71%
**67
100%
Accurate 2700
<<locked>>
81%
47094
59%
**97
96%
[Accurate 3100]*
<<locked>>
84%
26861
34%
**26
90%
Accurate 4064
<<locked>>
81%
45411
57%
**00
100%
Accurate 4350
<<locked>>
81%
34040
43%
**39
96%
[Accurate MAGPRO]*
<<locked>>
94%
40872
51%
**36
90%
Alliant AR-Comp
<<locked>>
81%
55550
70%
**99
100%
Alliant Power Pro 1200-R
<<locked>>
81%
64136
80%
**45
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
48298
60%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
43947
55%
**00
100%
Alliant Reloder-10x
<<locked>>
81%
62482
78%
**61
100%
Alliant Reloder-15
<<locked>>
81%
47079
59%
**62
100%
Alliant Reloder-16
<<locked>>
81%
33997
43%
**56
97%
Alliant Reloder-17
<<locked>>
81%
38276
48%
**77
99%
[Alliant Reloder-19]*
<<locked>>
85%
33736
42%
**16
90%
[Alliant Reloder-22]*
<<locked>>
89%
33721
42%
**56
90%
[Alliant Reloder-23]*
<<locked>>
81%
24381
31%
**80
93%
[Alliant Reloder-25]*
<<locked>>
89%
27862
35%
**88
90%
[Alliant Reloder-26]*
<<locked>>
81%
25991
33%
**79
90%
Baschieri & Pellagri 106
<<locked>>
81%
64208
80%
**41
100%
Baschieri & Pellagri 107
<<locked>>
81%
51663
65%
**44
100%
[Bofors RP15]*
<<locked>>
92%
34069
43%
**66
90%
Bofors RP3
<<locked>>
81%
44106
55%
**07
100%
[Bofors RP5]*
<<locked>>
89%
33721
42%
**56
90%
[Bofors RP7]*
<<locked>>
81%
38928
49%
**69
94%
Hodgdon BL-C2
<<locked>>
81%
53911
67%
**61
100%
Hodgdon Benchmark
<<locked>>
81%
55347
69%
**05
100%
Hodgdon CFE223
<<locked>>
81%
59930
75%
**22
100%
Hodgdon H322
<<locked>>
81%
62236
78%
**17
100%
Hodgdon H335
<<locked>>
81%
63802
80%
**49
100%
Hodgdon H380
<<locked>>
81%
44599
56%
**17
99%
[Hodgdon H414]*
<<locked>>
81%
36535
46%
**92
94%
[Hodgdon H4350]*
<<locked>>
81%
39972
50%
**25
94%
[Hodgdon H4831]*
<<locked>>
91%
39958
50%
**35
90%
[Hodgdon H4831 SC]*
<<locked>>
92%
39958
50%
**35
90%
Hodgdon H4895
<<locked>>
81%
52330
65%
**38
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31343
39%
**48
97%
Hodgdon LEVERevolution
<<locked>>
81%
48834
61%
**18
100%
[Hodgdon Superformance]*
<<locked>>
81%
35679
45%
**89
93%
Hodgdon TrailBoss
<<locked>>
81%
27166
34%
**01
100%
Hodgdon VARGET
<<locked>>
81%
50198
63%
**92
100%
IMR 3031
<<locked>>
81%
52866
66%
**18
100%
IMR 4064
<<locked>>
81%
46311
58%
**07
100%
IMR 4166 Enduron
<<locked>>
81%
48660
61%
**33
98%
IMR 4198
<<locked>>
81%
61888
77%
**18
100%
[IMR 4350]*
<<locked>>
81%
35012
44%
**97
93%
IMR 4451 Enduron
<<locked>>
81%
40553
51%
**08
95%
IMR 4831
<<locked>>
81%
33011
41%
**97
96%
IMR 4895
<<locked>>
81%
48356
61%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
88%
38348
48%
**66
90%
[IMR 7828 SSC]*
<<locked>>
94%
38725
48%
**64
90%
IMR 8208 XBR
<<locked>>
81%
53954
68%
**28
100%
Lovex D073.5
<<locked>>
81%
61902
77%
**13
100%
Lovex D073.6
<<locked>>
81%
51837
65%
**05
100%
Lovex S060
<<locked>>
81%
51329
64%
**62
100%
Lovex S062
<<locked>>
81%
46354
58%
**13
100%
Lovex S065
<<locked>>
81%
37840
47%
**52
96%
[Lovex S070]*
<<locked>>
81%
36100
45%
**26
94%
[Lovex S071]*
<<locked>>
88%
26513
33%
**13
90%
Norma 201
<<locked>>
81%
50357
63%
**66
100%
Norma 202
<<locked>>
81%
51097
64%
**69
100%
Norma 203B
<<locked>>
81%
46557
58%
**49
100%
[Norma 204]*
<<locked>>
81%
33982
43%
**00
90%
[Norma MRP]*
<<locked>>
86%
30879
39%
**00
90%
Norma URP
<<locked>>
81%
34461
43%
**39
96%
Ramshot Big Game
<<locked>>
81%
46876
59%
**76
100%
[Ramshot Grand]*
<<locked>>
94%
38232
48%
**61
90%
[Ramshot Hunter]*
<<locked>>
81%
33373
42%
**20
94%
[Ramshot Magnum]*
<<locked>>
93%
32924
41%
**10
90%
Ramshot TAC
<<locked>>
81%
54447
68%
**61
99%
Ramshot Wild Boar
<<locked>>
81%
54317
68%
**74
100%
Ramshot X-Terminator
<<locked>>
81%
58218
73%
**81
100%
ReloadSwiss RS 14
<<locked>>
81%
27586
35%
**40
100%
ReloadSwiss RS 40
<<locked>>
81%
60495
76%
**04
100%
ReloadSwiss RS 50
<<locked>>
81%
44976
56%
**00
97%
ReloadSwiss RS 52
<<locked>>
81%
50560
63%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
40727
51%
**40
100%
ReloadSwiss RS 62
<<locked>>
81%
34011
43%
**56
96%
ReloadSwiss RS 70
<<locked>>
81%
33692
42%
**59
95%
Rottweil R 901
<<locked>>
81%
54752
69%
**05
100%
Rottweil R 902
<<locked>>
81%
47964
60%
**20
100%
Rottweil R 903
<<locked>>
81%
41466
52%
**48
100%
[Rottweil R 904]*
<<locked>>
86%
36985
46%
**49
90%
[Rottweil R 905]*
<<locked>>
85%
32605
41%
**93
90%
[Rottweil R 907]*
<<locked>>
81%
38928
49%
**69
94%
SNPE Vectan BA6 1/2
<<locked>>
81%
65035
81%
**89
100%
SNPE Vectan SP 11
<<locked>>
81%
42453
53%
**97
99%
SNPE Vectan SP 3
<<locked>>
81%
63570
80%
**87
100%
SNPE Vectan SP 7
<<locked>>
81%
52852
66%
**31
100%
SNPE Vectan SP 9
<<locked>>
81%
50285
63%
**02
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51692
65%
**07
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43323
54%
**75
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
37159
46%
**97
94%
[SNPE Vectan Tubal 8000]*
<<locked>>
86%
32909
41%
**00
90%
Shooters World Long Rifle
<<locked>>
81%
37840
47%
**52
96%
Shooters World Match Rifle
<<locked>>
81%
51837
65%
**05
100%
Shooters World Precision
<<locked>>
81%
46354
58%
**13
100%
[Shooters World SW4350]*
<<locked>>
81%
36100
45%
**26
94%
Shooters World Tactical Rifle
<<locked>>
81%
64513
81%
**36
100%
Somchem S321
<<locked>>
81%
59059
74%
**13
100%
Somchem S335
<<locked>>
81%
51126
64%
**07
100%
Somchem S341
<<locked>>
81%
52504
66%
**18
100%
Somchem S355
<<locked>>
81%
41800
52%
**51
100%
[Somchem S361]*
<<locked>>
87%
39146
49%
**62
90%
Somchem S365
<<locked>>
81%
30937
39%
**93
98%
[Somchem S385]*
<<locked>>
83%
30371
38%
**11
90%
Vihtavuori N130
<<locked>>
81%
57972
73%
**59
100%
Vihtavuori N133
<<locked>>
81%
52199
65%
**97
100%
Vihtavuori N135
<<locked>>
81%
45658
57%
**54
100%
Vihtavuori N140
<<locked>>
81%
48631
61%
**07
100%
Vihtavuori N150
<<locked>>
81%
40030
50%
**85
100%
Vihtavuori N160
<<locked>>
81%
35868
45%
**46
97%
[Vihtavuori N165]*
<<locked>>
88%
31633
40%
**31
90%
Vihtavuori N530
<<locked>>
81%
54752
69%
**31
100%
Vihtavuori N540
<<locked>>
81%
46847
59%
**97
100%
Vihtavuori N550
<<locked>>
81%
35302
44%
**46
96%
[Vihtavuori N555]*
<<locked>>
81%
26339
33%
**59
93%
[Vihtavuori N560]*
<<locked>>
92%
39349
49%
**97
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35404
44%
**23
99%
Winchester 748
<<locked>>
81%
55042
69%
**74
100%
[Winchester 760]*
<<locked>>
81%
36811
46%
**98
94%
[Winchester StaBALL HD]*
<<locked>>
83%
22858
29%
**74
90%
Winchester StaBALL Match
<<locked>>
81%
50183
63%
**02
100%
[Winchester Supreme 780]*
<<locked>>
88%
33634
42%
**84
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

bottom of page