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Load data for 7 mm Backcountry + .284 | 155gr | Geco EXPRESS

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

7 mm Backcountry + .284 | 155gr | Geco EXPRESS

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 155gr | Geco EXPRESS
Manufacturer SKU:
2416985
Bullet Weight:
155gr | 10.0g
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_B9001_C991
Last updated:
2026-07-13

Load data for 258 loads in caliber 7 mm Backcountry with .284 | 155gr | Geco EXPRESS bullet and 129 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.

    .

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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%
71634
90%
**29
101%
ADI AR 2206H
<<locked>>
88%
71170
89%
**02
100%
ADI AR 2208
<<locked>>
93%
70692
88%
**82
100%
ADI AR 2209
<<locked>>
97%
55941
70%
**94
98%
ADI AR 2213
<<locked>>
97%
50415
63%
**28
96%
[ADI AR 2225]*
<<locked>>
97%
32677
41%
**74
92%
ADI Benchmark 8208
<<locked>>
87%
71533
90%
**66
100%
Accurate 2015
<<locked>>
86%
70837
89%
**54
100%
Accurate 2495
<<locked>>
89%
70895
89%
**81
100%
Accurate 2520
<<locked>>
85%
71460
89%
**53
100%
Accurate 2700
<<locked>>
91%
71460
89%
**72
100%
Accurate 3100
<<locked>>
97%
49313
62%
**43
99%
Accurate 4064
<<locked>>
91%
71054
89%
**43
100%
Accurate 4350
<<locked>>
97%
67269
84%
**05
100%
Accurate MAGPRO
<<locked>>
97%
50807
64%
**67
95%
Alliant AR-Comp
<<locked>>
86%
71417
89%
**87
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
70953
89%
**14
100%
Alliant Reloder- TS 15.5
<<locked>>
93%
71446
89%
**95
100%
Alliant Reloder-15
<<locked>>
91%
70953
89%
**15
100%
Alliant Reloder-16
<<locked>>
97%
63831
80%
**12
100%
Alliant Reloder-17
<<locked>>
95%
71895
90%
**00
100%
Alliant Reloder-19
<<locked>>
97%
55230
69%
**81
98%
Alliant Reloder-22
<<locked>>
97%
49269
62%
**22
97%
Alliant Reloder-23
<<locked>>
96%
46151
58%
**62
100%
Alliant Reloder-25
<<locked>>
97%
40495
51%
**74
98%
Alliant Reloder-26
<<locked>>
97%
53548
67%
**53
100%
Baschieri & Pellagri 107
<<locked>>
87%
70663
88%
**15
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
50038
63%
**26
92%
Bofors RP15
<<locked>>
97%
45150
57%
**43
96%
Bofors RP3
<<locked>>
92%
70880
89%
**92
100%
[Bofors RP30]*
<<locked>>
97%
36637
46%
**92
92%
Bofors RP5
<<locked>>
97%
49269
62%
**22
97%
Bofors RP7
<<locked>>
97%
71373
89%
**15
100%
Hodgdon BL-C2
<<locked>>
86%
70924
89%
**86
100%
Hodgdon Benchmark
<<locked>>
87%
71547
90%
**23
100%
[Hodgdon H1000]*
<<locked>>
97%
40422
51%
**12
93%
Hodgdon H380
<<locked>>
92%
71417
89%
**18
100%
Hodgdon H414 👍
<<locked>>
97%
69502
87%
**61
100%
Hodgdon H4350 👍
<<locked>>
96%
71402
89%
**58
100%
Hodgdon H4831
<<locked>>
97%
53693
67%
**25
96%
Hodgdon H4831 SC
<<locked>>
97%
52895
66%
**18
96%
Hodgdon H4895
<<locked>>
88%
71040
89%
**95
100%
Hodgdon Hybrid 100V
<<locked>>
97%
59495
74%
**74
100%
Hodgdon LEVERevolution
<<locked>>
89%
71417
89%
**31
100%
Hodgdon Retumbo
<<locked>>
97%
39827
50%
**00
95%
Hodgdon Superformance 👍
<<locked>>
96%
71649
90%
**17
100%
Hodgdon TrailBoss
<<locked>>
96%
34664
43%
**13
100%
Hodgdon VARGET
<<locked>>
89%
71228
89%
**82
100%
IMR 3031
<<locked>>
87%
71475
89%
**53
100%
IMR 4064
<<locked>>
92%
71083
89%
**79
100%
IMR 4166 Enduron
<<locked>>
90%
71881
90%
**99
100%
IMR 4198
<<locked>>
83%
70895
89%
**25
100%
IMR 4350
<<locked>>
97%
63788
80%
**36
100%
IMR 4451 Enduron
<<locked>>
96%
71837
90%
**18
100%
IMR 4831
<<locked>>
97%
63353
79%
**46
100%
IMR 4895
<<locked>>
90%
71678
90%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
55419
69%
**18
97%
IMR 7828 SSC
<<locked>>
97%
48254
60%
**95
95%
IMR 8208 XBR
<<locked>>
87%
71533
90%
**66
100%
Lovex D073.6
<<locked>>
87%
70895
89%
**49
100%
Lovex S060
<<locked>>
89%
71475
89%
**40
100%
Lovex S062
<<locked>>
92%
71446
89%
**63
100%
Lovex S065
<<locked>>
96%
68168
85%
**66
100%
Lovex S070
<<locked>>
97%
66065
83%
**63
100%
Lovex S071
<<locked>>
97%
41524
52%
**05
98%
Norma 201
<<locked>>
89%
70909
89%
**53
100%
Norma 202
<<locked>>
89%
71228
89%
**40
100%
Norma 203B
<<locked>>
91%
71170
89%
**15
100%
Norma 204
<<locked>>
97%
65064
81%
**92
99%
Norma MRP
<<locked>>
97%
52417
66%
**10
99%
Norma URP
<<locked>>
97%
65209
82%
**92
100%
Ramshot Big Game
<<locked>>
90%
71808
90%
**35
100%
Ramshot Grand
<<locked>>
97%
47442
59%
**99
96%
Ramshot Hunter
<<locked>>
97%
63643
80%
**92
100%
Ramshot Magnum
<<locked>>
97%
42569
53%
**77
96%
Ramshot TAC
<<locked>>
87%
71272
89%
**02
100%
Ramshot Wild Boar
<<locked>>
87%
71852
90%
**12
100%
Ramshot X-Terminator
<<locked>>
85%
71547
90%
**59
100%
ReloadSwiss RS 14
<<locked>>
96%
35157
44%
**52
100%
ReloadSwiss RS 40
<<locked>>
83%
71562
90%
**46
100%
ReloadSwiss RS 50
<<locked>>
92%
71460
89%
**15
100%
ReloadSwiss RS 52
<<locked>>
88%
71605
90%
**74
100%
ReloadSwiss RS 60
<<locked>>
93%
71518
89%
**97
100%
ReloadSwiss RS 62
<<locked>>
97%
67646
85%
**35
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
65746
82%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
39305
49%
**87
96%
Rottweil R 901
<<locked>>
87%
71591
90%
**23
100%
Rottweil R 902
<<locked>>
91%
71591
90%
**53
100%
Rottweil R 903
<<locked>>
94%
71185
89%
**92
100%
Rottweil R 904
<<locked>>
97%
57914
72%
**67
98%
Rottweil R 905
<<locked>>
97%
54433
68%
**64
98%
Rottweil R 907
<<locked>>
97%
71373
89%
**15
100%
SNPE Vectan SP 11
<<locked>>
93%
70953
89%
**31
100%
SNPE Vectan SP 7
<<locked>>
87%
71823
90%
**02
100%
SNPE Vectan SP 9
<<locked>>
89%
71127
89%
**89
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
70735
89%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
94%
71562
90%
**58
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
69647
87%
**36
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
53969
68%
**58
98%
Shooters World Long Rifle
<<locked>>
96%
68168
85%
**66
100%
Shooters World Match Rifle
<<locked>>
87%
70895
89%
**49
100%
Shooters World Precision
<<locked>>
92%
71446
89%
**63
100%
Shooters World SW4350
<<locked>>
97%
66065
83%
**63
100%
Somchem S321
<<locked>>
84%
71083
89%
**66
100%
Somchem S335
<<locked>>
89%
70996
89%
**67
100%
Somchem S341
<<locked>>
87%
70967
89%
**66
100%
Somchem S355
<<locked>>
94%
71170
89%
**89
100%
Somchem S361
<<locked>>
97%
59509
74%
**54
97%
Somchem S365
<<locked>>
97%
60742
76%
**36
100%
Somchem S385
<<locked>>
97%
55535
69%
**44
99%
Vihtavuori N130
<<locked>>
85%
71475
89%
**25
100%
Vihtavuori N133
<<locked>>
88%
70996
89%
**38
100%
Vihtavuori N135
<<locked>>
92%
71663
90%
**94
100%
Vihtavuori N140
<<locked>>
90%
71098
89%
**07
100%
Vihtavuori N150
<<locked>>
96%
71692
90%
**46
100%
Vihtavuori N160
<<locked>>
97%
67878
85%
**76
100%
Vihtavuori N165
<<locked>>
97%
47747
60%
**10
97%
Vihtavuori N530
<<locked>>
86%
71272
89%
**49
100%
Vihtavuori N540
<<locked>>
91%
70779
89%
**27
100%
Vihtavuori N550
<<locked>>
97%
66775
84%
**89
100%
Vihtavuori N555
<<locked>>
97%
52315
65%
**44
100%
Vihtavuori N560
<<locked>>
97%
52852
66%
**00
96%
[Vihtavuori N565]*
<<locked>>
97%
41466
52%
**74
93%
Winchester 6.5 StaBALL
<<locked>>
97%
68574
86%
**53
100%
Winchester 748
<<locked>>
86%
71460
89%
**92
100%
Winchester 760 👍
<<locked>>
97%
69502
87%
**61
100%
Winchester StaBALL HD
<<locked>>
97%
40799
51%
**08
100%
Winchester StaBALL Match
<<locked>>
89%
71692
90%
**02
100%
Winchester Supreme 780
<<locked>>
97%
51735
65%
**79
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59509
74%
**69
100%
ADI AR 2206H
<<locked>>
81%
57261
72%
**22
100%
ADI AR 2208
<<locked>>
81%
48399
61%
**77
100%
[ADI AR 2209]*
<<locked>>
81%
33504
42%
**38
91%
[ADI AR 2213]*
<<locked>>
86%
35723
45%
**10
90%
[ADI AR 2225]*
<<locked>>
94%
30182
38%
**95
90%
ADI Benchmark 8208
<<locked>>
81%
59379
74%
**15
100%
Accurate 2015
<<locked>>
81%
61366
77%
**49
100%
Accurate 2495
<<locked>>
81%
54665
68%
**00
100%
Accurate 2520
<<locked>>
81%
62990
79%
**54
100%
Accurate 2700
<<locked>>
81%
52011
65%
**10
98%
[Accurate 3100]*
<<locked>>
81%
29051
36%
**16
93%
Accurate 4064
<<locked>>
81%
51663
65%
**07
100%
Accurate 4350
<<locked>>
81%
39595
50%
**82
99%
[Accurate MAGPRO]*
<<locked>>
88%
37710
47%
**02
90%
Alliant AR-Comp
<<locked>>
81%
61511
77%
**76
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
54085
68%
**04
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
48921
61%
**00
100%
Alliant Reloder-15
<<locked>>
81%
52533
66%
**72
100%
Alliant Reloder-16
<<locked>>
81%
38276
48%
**82
99%
Alliant Reloder-17
<<locked>>
81%
43381
54%
**07
100%
[Alliant Reloder-19]*
<<locked>>
81%
33460
42%
**38
92%
[Alliant Reloder-22]*
<<locked>>
83%
31198
39%
**15
90%
Alliant Reloder-23
<<locked>>
81%
28137
35%
**46
97%
[Alliant Reloder-25]*
<<locked>>
82%
25672
32%
**54
90%
Alliant Reloder-26
<<locked>>
81%
30037
38%
**51
95%
Baschieri & Pellagri 107
<<locked>>
81%
56942
71%
**38
100%
[Baschieri & Pellagri 109]*
<<locked>>
93%
45150
57%
**41
90%
[Bofors RP15]*
<<locked>>
85%
31111
39%
**15
90%
Bofors RP3
<<locked>>
81%
49458
62%
**10
100%
[Bofors RP30]*
<<locked>>
94%
33373
42%
**07
90%
[Bofors RP5]*
<<locked>>
83%
31198
39%
**15
90%
Bofors RP7
<<locked>>
81%
43540
54%
**92
97%
Hodgdon BL-C2
<<locked>>
81%
59669
75%
**48
100%
Hodgdon Benchmark
<<locked>>
81%
60452
76%
**92
100%
[Hodgdon H1000]*
<<locked>>
92%
34287
43%
**67
90%
Hodgdon H380
<<locked>>
81%
50111
63%
**30
100%
Hodgdon H414
<<locked>>
81%
41365
52%
**21
97%
Hodgdon H4350
<<locked>>
81%
44309
55%
**38
96%
[Hodgdon H4831]*
<<locked>>
85%
36129
45%
**84
90%
[Hodgdon H4831 SC]*
<<locked>>
85%
36129
45%
**84
90%
Hodgdon H4895
<<locked>>
81%
57899
72%
**31
100%
Hodgdon Hybrid 100V
<<locked>>
81%
35737
45%
**80
99%
Hodgdon LEVERevolution
<<locked>>
81%
54563
68%
**18
100%
[Hodgdon Retumbo]*
<<locked>>
90%
32518
41%
**00
90%
Hodgdon Superformance
<<locked>>
81%
40422
51%
**38
96%
Hodgdon TrailBoss
<<locked>>
81%
27891
35%
**72
100%
Hodgdon VARGET
<<locked>>
81%
55434
69%
**85
100%
IMR 3031
<<locked>>
81%
58755
74%
**05
100%
IMR 4064
<<locked>>
81%
50981
64%
**10
100%
IMR 4166 Enduron
<<locked>>
81%
53577
67%
**43
99%
IMR 4198
<<locked>>
81%
66543
83%
**76
100%
IMR 4350
<<locked>>
81%
38972
49%
**16
95%
IMR 4451 Enduron
<<locked>>
81%
44947
56%
**18
98%
IMR 4831
<<locked>>
81%
38087
48%
**33
98%
IMR 4895
<<locked>>
81%
53969
68%
**05
100%
[IMR 4955 Enduron]*
<<locked>>
83%
35462
44%
**34
90%
[IMR 7828 SSC]*
<<locked>>
87%
35317
44%
**16
90%
IMR 8208 XBR
<<locked>>
81%
59379
74%
**15
100%
Lovex D073.6
<<locked>>
81%
57334
72%
**92
100%
Lovex S060
<<locked>>
81%
55782
70%
**49
100%
Lovex S062
<<locked>>
81%
51300
64%
**03
100%
Lovex S065
<<locked>>
81%
42467
53%
**75
98%
Lovex S070
<<locked>>
81%
40611
51%
**56
97%
[Lovex S071]*
<<locked>>
81%
24816
31%
**85
90%
Norma 201
<<locked>>
81%
55970
70%
**66
100%
Norma 202
<<locked>>
81%
56420
71%
**59
100%
Norma 203B
<<locked>>
81%
52025
65%
**59
100%
[Norma 204]*
<<locked>>
81%
38334
48%
**36
94%
[Norma MRP]*
<<locked>>
81%
30371
38%
**25
92%
Norma URP
<<locked>>
81%
39102
49%
**69
99%
Ramshot Big Game
<<locked>>
81%
52301
65%
**85
100%
[Ramshot Grand]*
<<locked>>
87%
34476
43%
**03
90%
Ramshot Hunter
<<locked>>
81%
37971
48%
**59
97%
[Ramshot Magnum]*
<<locked>>
87%
30472
38%
**85
90%
Ramshot TAC
<<locked>>
81%
59350
74%
**48
100%
Ramshot Wild Boar
<<locked>>
81%
59872
75%
**61
100%
Ramshot X-Terminator
<<locked>>
81%
63614
80%
**71
100%
ReloadSwiss RS 14
<<locked>>
81%
28340
35%
**11
100%
ReloadSwiss RS 40
<<locked>>
81%
66282
83%
**87
100%
ReloadSwiss RS 50
<<locked>>
81%
49908
62%
**13
99%
ReloadSwiss RS 52
<<locked>>
81%
56782
71%
**87
100%
ReloadSwiss RS 60
<<locked>>
81%
46224
58%
**59
100%
ReloadSwiss RS 62
<<locked>>
81%
39044
49%
**92
98%
ReloadSwiss RS 70
<<locked>>
81%
38072
48%
**08
98%
[ReloadSwiss RS 76]*
<<locked>>
89%
30603
38%
**41
90%
Rottweil R 901
<<locked>>
81%
60321
75%
**85
100%
Rottweil R 902
<<locked>>
81%
53069
66%
**20
100%
Rottweil R 903
<<locked>>
81%
46688
58%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
34780
44%
**28
91%
[Rottweil R 905]*
<<locked>>
81%
32271
40%
**15
91%
Rottweil R 907
<<locked>>
81%
43540
54%
**92
97%
SNPE Vectan SP 11
<<locked>>
81%
47877
60%
**17
100%
SNPE Vectan SP 7
<<locked>>
81%
58436
73%
**28
100%
SNPE Vectan SP 9
<<locked>>
81%
55361
69%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
56550
71%
**94
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47761
60%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41379
52%
**16
97%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
31981
40%
**05
91%
Shooters World Long Rifle
<<locked>>
81%
42467
53%
**75
98%
Shooters World Match Rifle
<<locked>>
81%
57334
72%
**92
100%
Shooters World Precision
<<locked>>
81%
51300
64%
**03
100%
Shooters World SW4350
<<locked>>
81%
40611
51%
**56
97%
Somchem S321
<<locked>>
81%
64861
81%
**00
100%
Somchem S335
<<locked>>
81%
56434
71%
**94
100%
Somchem S341
<<locked>>
81%
57986
73%
**15
100%
Somchem S355
<<locked>>
81%
46978
59%
**61
100%
[Somchem S361]*
<<locked>>
82%
36027
45%
**28
90%
Somchem S365
<<locked>>
81%
35578
45%
**26
100%
[Somchem S385]*
<<locked>>
81%
32924
41%
**08
93%
Vihtavuori N130
<<locked>>
81%
63063
79%
**30
100%
Vihtavuori N133
<<locked>>
81%
57000
71%
**74
100%
Vihtavuori N135
<<locked>>
81%
50937
64%
**51
100%
Vihtavuori N140
<<locked>>
81%
53606
67%
**94
100%
Vihtavuori N150
<<locked>>
81%
44672
56%
**85
100%
Vihtavuori N160
<<locked>>
81%
40669
51%
**72
99%
[Vihtavuori N165]*
<<locked>>
82%
29080
36%
**93
90%
Vihtavuori N530
<<locked>>
81%
59828
75%
**15
100%
Vihtavuori N540
<<locked>>
81%
51953
65%
**87
100%
Vihtavuori N550
<<locked>>
81%
40147
50%
**75
99%
Vihtavuori N555
<<locked>>
81%
30922
39%
**18
97%
[Vihtavuori N560]*
<<locked>>
85%
35766
45%
**46
90%
[Vihtavuori N565]*
<<locked>>
91%
34505
43%
**20
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39595
50%
**43
100%
Winchester 748
<<locked>>
81%
60945
76%
**67
100%
Winchester 760
<<locked>>
81%
41365
52%
**21
97%
Winchester StaBALL HD
<<locked>>
81%
24743
31%
**06
95%
Winchester StaBALL Match
<<locked>>
81%
55680
70%
**05
100%
[Winchester Supreme 780]*
<<locked>>
82%
31053
39%
**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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