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Load data for 7 mm Backcountry + .284 | 140gr | Impala RNFP KO

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

7 mm Backcountry + .284 | 140gr | Impala RNFP KO

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Impala RNFP KO
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_B2982_C991
Last updated:
2026-07-13

Load data for 256 loads in caliber 7 mm Backcountry with .284 | 140gr | Impala RNFP KO bullet and 128 powders such as Hodgdon H414, Hodgdon H4350, Hodgdon Superformance, 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.

    .

    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>>
93%
71852
90%
**41
101%
ADI AR 2206H
<<locked>>
89%
71344
89%
**33
100%
ADI AR 2208
<<locked>>
94%
71504
89%
**23
100%
ADI AR 2209
<<locked>>
97%
54911
69%
**82
97%
[ADI AR 2213]*
<<locked>>
97%
49792
62%
**13
94%
ADI Benchmark 8208
<<locked>>
88%
71547
90%
**00
100%
Accurate 2015
<<locked>>
86%
71286
89%
**95
100%
Accurate 2495
<<locked>>
89%
71257
89%
**15
100%
Accurate 2520
<<locked>>
85%
71678
90%
**87
100%
Accurate 2700
<<locked>>
91%
71272
89%
**97
100%
Accurate 3100
<<locked>>
97%
49255
62%
**54
98%
Accurate 4064
<<locked>>
91%
70982
89%
**74
100%
Accurate 4350
<<locked>>
97%
66558
83%
**30
100%
[Accurate MAGPRO]*
<<locked>>
97%
50763
64%
**79
94%
Alliant AR-Comp
<<locked>>
86%
71533
90%
**18
100%
Alliant Power Pro 2000-MR
<<locked>>
90%
71649
90%
**74
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
71344
89%
**27
100%
Alliant Reloder-10x
<<locked>>
83%
71446
89%
**02
100%
Alliant Reloder-15
<<locked>>
92%
71910
90%
**59
100%
Alliant Reloder-16
<<locked>>
97%
62062
78%
**23
100%
Alliant Reloder-17
<<locked>>
96%
71765
90%
**48
100%
Alliant Reloder-19
<<locked>>
97%
54056
68%
**69
97%
Alliant Reloder-22
<<locked>>
97%
48602
61%
**17
96%
Alliant Reloder-23
<<locked>>
97%
46340
58%
**77
100%
Alliant Reloder-25
<<locked>>
97%
40524
51%
**72
97%
Alliant Reloder-26
<<locked>>
97%
52257
65%
**58
100%
Baschieri & Pellagri 107
<<locked>>
88%
71388
89%
**53
100%
Bofors RP15
<<locked>>
97%
44831
56%
**41
95%
Bofors RP3
<<locked>>
92%
70982
89%
**27
100%
Bofors RP5
<<locked>>
97%
48602
61%
**17
96%
Bofors RP7
<<locked>>
97%
70430
88%
**30
100%
Hodgdon BL-C2
<<locked>>
87%
70750
89%
**14
100%
Hodgdon Benchmark
<<locked>>
87%
71301
89%
**51
100%
Hodgdon CFE223
<<locked>>
84%
71692
90%
**19
100%
Hodgdon H322
<<locked>>
83%
71866
90%
**71
100%
Hodgdon H380
<<locked>>
92%
71098
89%
**53
100%
Hodgdon H414 👍
<<locked>>
97%
67791
85%
**66
100%
Hodgdon H4350 👍
<<locked>>
97%
71649
90%
**82
99%
[Hodgdon H4831]*
<<locked>>
97%
52692
66%
**17
94%
[Hodgdon H4831 SC]*
<<locked>>
97%
51953
65%
**00
94%
Hodgdon H4895
<<locked>>
88%
70750
89%
**27
100%
Hodgdon Hybrid 100V
<<locked>>
96%
58320
73%
**79
100%
Hodgdon LEVERevolution
<<locked>>
90%
70663
88%
**56
100%
[Hodgdon Retumbo]*
<<locked>>
97%
40103
50%
**92
93%
Hodgdon Superformance 👍
<<locked>>
97%
70169
88%
**28
100%
Hodgdon TrailBoss
<<locked>>
96%
34737
43%
**95
100%
Hodgdon VARGET
<<locked>>
90%
70953
89%
**20
100%
IMR 3031
<<locked>>
88%
71214
89%
**91
100%
IMR 4064
<<locked>>
92%
71011
89%
**07
100%
IMR 4166 Enduron
<<locked>>
91%
71518
89%
**17
100%
IMR 4198
<<locked>>
84%
70822
89%
**63
100%
IMR 4350
<<locked>>
97%
62294
78%
**38
99%
IMR 4451 Enduron
<<locked>>
97%
71301
89%
**40
100%
IMR 4831
<<locked>>
97%
62337
78%
**54
100%
IMR 4895
<<locked>>
91%
71489
89%
**69
100%
IMR 4955 Enduron
<<locked>>
97%
54607
68%
**17
95%
[IMR 7828 SSC]*
<<locked>>
97%
47543
59%
**87
94%
IMR 8208 XBR
<<locked>>
88%
71547
90%
**00
100%
Lovex D073.6
<<locked>>
88%
71402
89%
**87
100%
Lovex S060
<<locked>>
90%
71417
89%
**77
100%
Lovex S062
<<locked>>
92%
71649
90%
**97
100%
Lovex S065
<<locked>>
97%
68139
85%
**87
100%
Lovex S070
<<locked>>
97%
65209
82%
**77
100%
Lovex S071
<<locked>>
97%
41814
52%
**10
97%
Norma 201
<<locked>>
89%
71301
89%
**91
100%
Norma 202
<<locked>>
89%
71402
89%
**74
100%
Norma 203B
<<locked>>
92%
71011
89%
**46
100%
Norma 204
<<locked>>
97%
64629
81%
**14
99%
Norma MRP
<<locked>>
97%
51590
65%
**15
98%
Norma URP
<<locked>>
97%
63875
80%
**97
100%
Ramshot Big Game
<<locked>>
91%
71286
89%
**59
100%
[Ramshot Grand]*
<<locked>>
97%
47616
60%
**00
94%
Ramshot Hunter
<<locked>>
97%
63034
79%
**07
100%
Ramshot Magnum
<<locked>>
97%
42511
53%
**66
95%
Ramshot TAC
<<locked>>
87%
70953
89%
**30
100%
Ramshot Wild Boar
<<locked>>
87%
71605
90%
**40
100%
Ramshot X-Terminator
<<locked>>
85%
71330
89%
**94
100%
ReloadSwiss RS 14
<<locked>>
97%
35998
45%
**47
100%
ReloadSwiss RS 40
<<locked>>
84%
71431
89%
**77
100%
ReloadSwiss RS 50
<<locked>>
93%
71301
89%
**33
100%
ReloadSwiss RS 52
<<locked>>
88%
70996
89%
**12
100%
ReloadSwiss RS 60
<<locked>>
94%
71518
89%
**38
100%
ReloadSwiss RS 62
<<locked>>
97%
65963
83%
**50
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
63614
80%
**73
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
39668
50%
**79
94%
Rottweil R 901
<<locked>>
87%
70938
89%
**48
100%
Rottweil R 902
<<locked>>
91%
70953
89%
**71
100%
Rottweil R 903
<<locked>>
95%
71243
89%
**27
100%
Rottweil R 904
<<locked>>
97%
56782
71%
**53
96%
Rottweil R 905
<<locked>>
97%
53417
67%
**56
97%
Rottweil R 907
<<locked>>
97%
70430
88%
**30
100%
SNPE Vectan SP 11
<<locked>>
94%
71591
90%
**73
100%
SNPE Vectan SP 7
<<locked>>
87%
71808
90%
**27
100%
SNPE Vectan SP 9
<<locked>>
90%
71620
90%
**36
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
71011
89%
**95
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
71460
89%
**86
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
68617
86%
**45
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
52953
66%
**59
97%
Shooters World Long Rifle
<<locked>>
97%
68139
85%
**87
100%
Shooters World Match Rifle
<<locked>>
88%
71402
89%
**87
100%
Shooters World Precision
<<locked>>
92%
71649
90%
**97
100%
Shooters World SW4350
<<locked>>
97%
65209
82%
**77
100%
Somchem S321
<<locked>>
84%
71025
89%
**97
100%
Somchem S335
<<locked>>
89%
71257
89%
**02
100%
Somchem S341
<<locked>>
88%
71837
90%
**17
100%
Somchem S355
<<locked>>
95%
70837
89%
**17
100%
Somchem S361
<<locked>>
97%
58320
73%
**46
96%
Somchem S365
<<locked>>
97%
59263
74%
**45
100%
Somchem S385
<<locked>>
97%
54839
69%
**53
98%
Vihtavuori N130
<<locked>>
86%
71663
90%
**59
100%
Vihtavuori N133
<<locked>>
89%
71170
89%
**63
100%
Vihtavuori N135
<<locked>>
93%
71605
90%
**28
100%
Vihtavuori N140
<<locked>>
91%
71054
89%
**38
100%
Vihtavuori N150
<<locked>>
96%
71359
89%
**71
100%
Vihtavuori N160
<<locked>>
97%
66123
83%
**87
100%
Vihtavuori N165
<<locked>>
97%
46934
59%
**99
96%
Vihtavuori N530
<<locked>>
87%
71373
89%
**81
100%
Vihtavuori N540
<<locked>>
92%
71852
90%
**71
100%
Vihtavuori N550
<<locked>>
97%
65746
82%
**04
100%
Vihtavuori N555
<<locked>>
97%
51663
65%
**56
100%
Vihtavuori N560
<<locked>>
97%
51793
65%
**92
95%
[Vihtavuori N565]*
<<locked>>
97%
42119
53%
**92
92%
Winchester 6.5 StaBALL
<<locked>>
97%
66398
83%
**61
100%
Winchester 748
<<locked>>
86%
71156
89%
**23
100%
Winchester 760 👍
<<locked>>
97%
68922
86%
**86
100%
Winchester StaBALL HD
<<locked>>
97%
39769
50%
**17
100%
Winchester StaBALL Match
<<locked>>
89%
71243
89%
**30
100%
Winchester Supreme 780
<<locked>>
97%
50705
63%
**74
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59640
75%
**77
100%
ADI AR 2206H
<<locked>>
81%
56869
71%
**46
100%
ADI AR 2208
<<locked>>
81%
48312
60%
**89
100%
[ADI AR 2209]*
<<locked>>
82%
34577
43%
**52
90%
[ADI AR 2213]*
<<locked>>
89%
39479
49%
**87
90%
ADI Benchmark 8208
<<locked>>
81%
58842
74%
**40
100%
Accurate 2015
<<locked>>
81%
61322
77%
**77
100%
Accurate 2495
<<locked>>
81%
55593
70%
**31
100%
Accurate 2520
<<locked>>
81%
62468
78%
**76
100%
Accurate 2700
<<locked>>
81%
51967
65%
**15
97%
[Accurate 3100]*
<<locked>>
81%
30313
38%
**34
92%
Accurate 4064
<<locked>>
81%
52591
66%
**35
100%
Accurate 4350
<<locked>>
81%
40045
50%
**87
98%
[Accurate MAGPRO]*
<<locked>>
91%
41684
52%
**82
90%
Alliant AR-Comp
<<locked>>
81%
60655
76%
**00
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
53026
66%
**09
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
49037
61%
**18
100%
Alliant Reloder-10x
<<locked>>
81%
67341
84%
**56
100%
Alliant Reloder-15
<<locked>>
81%
52272
65%
**87
100%
Alliant Reloder-16
<<locked>>
81%
38189
48%
**87
98%
Alliant Reloder-17
<<locked>>
81%
43033
54%
**15
100%
[Alliant Reloder-19]*
<<locked>>
81%
33881
42%
**36
90%
[Alliant Reloder-22]*
<<locked>>
85%
33939
42%
**82
90%
Alliant Reloder-23
<<locked>>
81%
29095
36%
**61
96%
[Alliant Reloder-25]*
<<locked>>
84%
28224
35%
**15
90%
[Alliant Reloder-26]*
<<locked>>
81%
30734
38%
**52
94%
Baschieri & Pellagri 107
<<locked>>
81%
56173
70%
**56
100%
[Bofors RP15]*
<<locked>>
88%
34548
43%
**98
90%
Bofors RP3
<<locked>>
81%
49719
62%
**38
100%
[Bofors RP5]*
<<locked>>
85%
33939
42%
**82
90%
Bofors RP7
<<locked>>
81%
43990
55%
**97
96%
Hodgdon BL-C2
<<locked>>
81%
59379
74%
**69
100%
Hodgdon Benchmark
<<locked>>
81%
59872
75%
**10
100%
Hodgdon CFE223
<<locked>>
81%
65209
82%
**36
100%
Hodgdon H322
<<locked>>
81%
66616
83%
**15
100%
Hodgdon H380
<<locked>>
81%
50140
63%
**44
99%
Hodgdon H414
<<locked>>
81%
41278
52%
**26
96%
Hodgdon H4350
<<locked>>
81%
44092
55%
**40
95%
[Hodgdon H4831]*
<<locked>>
88%
40480
51%
**77
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
40480
51%
**77
90%
Hodgdon H4895
<<locked>>
81%
57479
72%
**49
100%
Hodgdon Hybrid 100V
<<locked>>
81%
35984
45%
**89
99%
Hodgdon LEVERevolution
<<locked>>
81%
53722
67%
**27
100%
[Hodgdon Retumbo]*
<<locked>>
93%
35940
45%
**80
90%
Hodgdon Superformance
<<locked>>
81%
40466
51%
**26
95%
Hodgdon TrailBoss
<<locked>>
81%
28007
35%
**47
100%
Hodgdon VARGET
<<locked>>
81%
54723
68%
**97
100%
IMR 3031
<<locked>>
81%
57928
72%
**27
100%
IMR 4064
<<locked>>
81%
50691
63%
**22
100%
IMR 4166 Enduron
<<locked>>
81%
52895
66%
**51
98%
IMR 4198
<<locked>>
81%
65615
82%
**97
100%
[IMR 4350]*
<<locked>>
81%
39262
49%
**18
94%
IMR 4451 Enduron
<<locked>>
81%
45049
56%
**26
97%
IMR 4831
<<locked>>
81%
38377
48%
**41
98%
IMR 4895
<<locked>>
81%
53476
67%
**20
100%
[IMR 4955 Enduron]*
<<locked>>
85%
38740
48%
**02
90%
[IMR 7828 SSC]*
<<locked>>
90%
39030
49%
**94
90%
IMR 8208 XBR
<<locked>>
81%
58842
74%
**40
100%
Lovex D073.6
<<locked>>
81%
57783
72%
**23
100%
Lovex S060
<<locked>>
81%
55419
69%
**64
100%
Lovex S062
<<locked>>
81%
51314
64%
**25
100%
Lovex S065
<<locked>>
81%
43018
54%
**87
97%
Lovex S070
<<locked>>
81%
41162
52%
**64
96%
[Lovex S071]*
<<locked>>
82%
26745
33%
**26
90%
Norma 201
<<locked>>
81%
56086
70%
**90
100%
Norma 202
<<locked>>
81%
56072
70%
**77
100%
Norma 203B
<<locked>>
81%
51605
65%
**74
100%
[Norma 204]*
<<locked>>
81%
38595
48%
**41
92%
[Norma MRP]*
<<locked>>
81%
31111
39%
**23
90%
Norma URP
<<locked>>
81%
39363
49%
**77
98%
Ramshot Big Game
<<locked>>
81%
51837
65%
**97
100%
[Ramshot Grand]*
<<locked>>
91%
39001
49%
**94
90%
Ramshot Hunter
<<locked>>
81%
37942
47%
**54
95%
[Ramshot Magnum]*
<<locked>>
89%
33301
42%
**39
90%
Ramshot TAC
<<locked>>
81%
58813
74%
**63
100%
Ramshot Wild Boar
<<locked>>
81%
59001
74%
**79
100%
Ramshot X-Terminator
<<locked>>
81%
62758
79%
**79
100%
ReloadSwiss RS 14
<<locked>>
81%
28514
36%
**86
100%
ReloadSwiss RS 40
<<locked>>
81%
65325
82%
**05
100%
ReloadSwiss RS 50
<<locked>>
81%
49908
62%
**22
98%
ReloadSwiss RS 52
<<locked>>
81%
56144
70%
**02
100%
ReloadSwiss RS 60
<<locked>>
81%
45498
57%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
39465
49%
**03
98%
ReloadSwiss RS 70
<<locked>>
81%
38130
48%
**00
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
33533
42%
**05
90%
Rottweil R 901
<<locked>>
81%
60336
75%
**13
100%
Rottweil R 902
<<locked>>
81%
53388
67%
**35
100%
Rottweil R 903
<<locked>>
81%
46804
59%
**79
100%
[Rottweil R 904]*
<<locked>>
83%
37536
47%
**79
90%
[Rottweil R 905]*
<<locked>>
81%
33243
42%
**33
90%
Rottweil R 907
<<locked>>
81%
43990
55%
**97
96%
SNPE Vectan SP 11
<<locked>>
81%
47311
59%
**25
100%
SNPE Vectan SP 7
<<locked>>
81%
57856
72%
**36
100%
SNPE Vectan SP 9
<<locked>>
81%
55114
69%
**10
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
56318
70%
**12
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47761
60%
**77
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42018
53%
**25
96%
[SNPE Vectan Tubal 8000]*
<<locked>>
82%
33591
42%
**39
90%
Shooters World Long Rifle
<<locked>>
81%
43018
54%
**87
97%
Shooters World Match Rifle
<<locked>>
81%
57783
72%
**23
100%
Shooters World Precision
<<locked>>
81%
51314
64%
**25
100%
Shooters World SW4350
<<locked>>
81%
41162
52%
**64
96%
Somchem S321
<<locked>>
81%
64266
80%
**18
100%
Somchem S335
<<locked>>
81%
56478
71%
**18
100%
Somchem S341
<<locked>>
81%
57305
72%
**27
100%
Somchem S355
<<locked>>
81%
47108
59%
**79
100%
[Somchem S361]*
<<locked>>
84%
39769
50%
**98
90%
Somchem S365
<<locked>>
81%
36013
45%
**41
99%
[Somchem S385]*
<<locked>>
81%
33692
42%
**13
92%
Vihtavuori N130
<<locked>>
81%
62366
78%
**51
100%
Vihtavuori N133
<<locked>>
81%
56637
71%
**92
100%
Vihtavuori N135
<<locked>>
81%
50879
64%
**66
100%
Vihtavuori N140
<<locked>>
81%
53243
67%
**12
100%
Vihtavuori N150
<<locked>>
81%
44817
56%
**03
100%
Vihtavuori N160
<<locked>>
81%
40814
51%
**74
98%
[Vihtavuori N165]*
<<locked>>
84%
32140
40%
**61
90%
Vihtavuori N530
<<locked>>
81%
59161
74%
**30
100%
Vihtavuori N540
<<locked>>
81%
51779
65%
**08
100%
Vihtavuori N550
<<locked>>
81%
40306
50%
**80
98%
Vihtavuori N555
<<locked>>
81%
31836
40%
**39
96%
[Vihtavuori N560]*
<<locked>>
88%
39639
50%
**26
90%
[Vihtavuori N565]*
<<locked>>
94%
37840
47%
**94
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39711
50%
**41
99%
Winchester 748
<<locked>>
81%
60089
75%
**86
100%
Winchester 760
<<locked>>
81%
41278
52%
**26
96%
[Winchester StaBALL HD]*
<<locked>>
81%
26092
33%
**21
94%
Winchester StaBALL Match
<<locked>>
81%
54998
69%
**17
100%
[Winchester Supreme 780]*
<<locked>>
84%
34301
43%
**20
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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