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Load data for 7 mm Backcountry + .284 | 160gr | Sierra SBT GameKing

Recommended Powder(s): Hodgdon H414, Hodgdon H4350, Hodgdon Superformance, Norma 204, Winchester 760

7 mm Backcountry + .284 | 160gr | Sierra SBT GameKing

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Sierra SBT GameKing
Manufacturer SKU:
1920
Bullet Weight:
160gr | 10.4g
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_B5846_C991
Last updated:
2026-07-13
Recommended Twist Rate:
1:12 - 1:10

Load data for 254 loads in caliber 7 mm Backcountry with .284 | 160gr | Sierra SBT GameKing bullet and 127 powders such as Hodgdon H414, Hodgdon H4350, Hodgdon Superformance, Norma 204, 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%
71852
90%
**03
101%
ADI AR 2206H
<<locked>>
87%
70851
89%
**53
100%
ADI AR 2208
<<locked>>
93%
71257
89%
**49
100%
ADI AR 2209
<<locked>>
97%
57551
72%
**74
99%
ADI AR 2213
<<locked>>
97%
51982
65%
**18
97%
[ADI AR 2217]*
<<locked>>
97%
37840
47%
**26
92%
[ADI AR 2225]*
<<locked>>
97%
33852
42%
**87
94%
ADI Benchmark 8208
<<locked>>
86%
71257
89%
**20
100%
Accurate 2015
<<locked>>
85%
71591
90%
**22
100%
Accurate 2495
<<locked>>
89%
71852
90%
**51
100%
Accurate 2520
<<locked>>
84%
71301
89%
**00
100%
Accurate 2700
<<locked>>
90%
70808
89%
**33
100%
Accurate 3100
<<locked>>
97%
51996
65%
**53
100%
Accurate 4064
<<locked>>
90%
70924
89%
**97
100%
Accurate 4350
<<locked>>
97%
70808
89%
**02
100%
Accurate MAGPRO
<<locked>>
97%
53621
67%
**81
96%
Alliant AR-Comp
<<locked>>
85%
71011
89%
**35
100%
Alliant Power Pro 2000-MR
<<locked>>
88%
71765
90%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
71286
89%
**59
100%
Alliant Reloder-15
<<locked>>
90%
71794
90%
**82
100%
Alliant Reloder-16
<<locked>>
97%
65992
83%
**99
100%
Alliant Reloder-17
<<locked>>
94%
71214
89%
**54
100%
Alliant Reloder-19
<<locked>>
97%
57783
72%
**81
99%
Alliant Reloder-22
<<locked>>
97%
51213
64%
**25
98%
Alliant Reloder-23
<<locked>>
97%
48849
61%
**66
100%
Alliant Reloder-25
<<locked>>
97%
41901
52%
**77
99%
Alliant Reloder-26
<<locked>>
97%
55854
70%
**49
100%
Baschieri & Pellagri 107
<<locked>>
87%
71156
89%
**82
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
51851
65%
**40
93%
Bofors RP15
<<locked>>
97%
46963
59%
**46
97%
Bofors RP3
<<locked>>
91%
71692
90%
**59
100%
[Bofors RP30]*
<<locked>>
97%
38667
48%
**05
94%
Bofors RP5
<<locked>>
97%
51213
64%
**25
98%
Bofors RP7
<<locked>>
96%
71040
89%
**66
100%
Hodgdon BL-C2
<<locked>>
86%
71605
90%
**46
100%
Hodgdon Benchmark
<<locked>>
86%
71011
89%
**74
100%
Hodgdon H1000
<<locked>>
97%
41829
52%
**21
95%
Hodgdon H380
<<locked>>
91%
70822
89%
**76
100%
Hodgdon H414 👍
<<locked>>
96%
71765
90%
**48
100%
Hodgdon H4350 👍
<<locked>>
95%
71112
89%
**12
100%
Hodgdon H4831
<<locked>>
97%
55550
70%
**25
97%
Hodgdon H4831 SC
<<locked>>
97%
54563
68%
**05
97%
Hodgdon H4895
<<locked>>
87%
71852
90%
**63
100%
Hodgdon Hybrid 100V
<<locked>>
97%
62584
78%
**67
100%
Hodgdon LEVERevolution
<<locked>>
88%
71083
89%
**82
100%
Hodgdon Retumbo
<<locked>>
97%
41582
52%
**20
96%
Hodgdon Superformance 👍
<<locked>>
95%
71069
89%
**74
100%
Hodgdon TrailBoss
<<locked>>
96%
34751
43%
**93
100%
Hodgdon VARGET
<<locked>>
89%
71866
90%
**46
100%
IMR 3031
<<locked>>
86%
71286
89%
**04
100%
IMR 4064
<<locked>>
91%
71866
90%
**46
100%
IMR 4166 Enduron
<<locked>>
89%
71301
89%
**53
100%
IMR 4350
<<locked>>
97%
65543
82%
**23
100%
IMR 4451 Enduron
<<locked>>
95%
71315
89%
**79
100%
IMR 4831
<<locked>>
97%
65166
82%
**30
100%
IMR 4895
<<locked>>
89%
71431
89%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
56826
71%
**08
97%
IMR 7828 SSC
<<locked>>
97%
49835
62%
**99
97%
IMR 8208 XBR
<<locked>>
86%
71257
89%
**20
100%
Lovex D073.6
<<locked>>
86%
71127
89%
**10
100%
Lovex S060
<<locked>>
88%
70924
89%
**00
100%
Lovex S062
<<locked>>
91%
71243
89%
**23
100%
Lovex S065
<<locked>>
97%
70938
89%
**63
100%
Lovex S070
<<locked>>
97%
68066
85%
**53
100%
Lovex S071
<<locked>>
97%
43308
54%
**02
99%
Norma 201
<<locked>>
88%
71634
90%
**17
100%
Norma 202
<<locked>>
87%
71054
89%
**90
100%
Norma 203B
<<locked>>
91%
71881
90%
**82
100%
Norma 204 👍
<<locked>>
97%
68081
85%
**92
100%
Norma MRP
<<locked>>
97%
54520
68%
**07
100%
Norma URP
<<locked>>
97%
67066
84%
**72
100%
Ramshot Big Game
<<locked>>
89%
71620
90%
**86
100%
Ramshot Grand
<<locked>>
97%
50024
63%
**15
97%
Ramshot Hunter
<<locked>>
97%
66659
83%
**86
100%
Ramshot Magnum
<<locked>>
97%
44179
55%
**80
97%
Ramshot TAC
<<locked>>
86%
70895
89%
**53
100%
Ramshot Wild Boar
<<locked>>
86%
71547
90%
**63
100%
Ramshot X-Terminator
<<locked>>
84%
71707
90%
**23
100%
ReloadSwiss RS 14
<<locked>>
96%
35302
44%
**29
100%
ReloadSwiss RS 50
<<locked>>
91%
71272
89%
**69
100%
ReloadSwiss RS 52
<<locked>>
87%
71431
89%
**35
100%
ReloadSwiss RS 60
<<locked>>
92%
70953
89%
**41
100%
ReloadSwiss RS 62
<<locked>>
97%
69560
87%
**18
100%
ReloadSwiss RS 70
<<locked>>
97%
69038
86%
**61
100%
ReloadSwiss RS 76
<<locked>>
97%
40988
51%
**03
97%
Rottweil R 901
<<locked>>
86%
71649
90%
**84
100%
Rottweil R 902
<<locked>>
90%
71301
89%
**10
100%
Rottweil R 903
<<locked>>
93%
70953
89%
**49
100%
Rottweil R 904
<<locked>>
97%
59466
74%
**58
98%
Rottweil R 905
<<locked>>
97%
57319
72%
**74
99%
Rottweil R 907
<<locked>>
96%
71040
89%
**66
100%
SNPE Vectan SP 11
<<locked>>
92%
71881
90%
**99
100%
SNPE Vectan SP 7
<<locked>>
86%
71388
89%
**49
100%
SNPE Vectan SP 9
<<locked>>
88%
71562
90%
**63
100%
SNPE Vectan Tubal 3000
<<locked>>
88%
71417
89%
**25
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
71054
89%
**08
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
71301
89%
**20
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
56869
71%
**64
99%
Shooters World Long Rifle
<<locked>>
97%
70938
89%
**63
100%
Shooters World Match Rifle
<<locked>>
86%
71127
89%
**10
100%
Shooters World Precision
<<locked>>
91%
71243
89%
**23
100%
Shooters World SW4350
<<locked>>
97%
68066
85%
**53
100%
Somchem S335
<<locked>>
88%
71707
90%
**31
100%
Somchem S341
<<locked>>
86%
71388
89%
**33
100%
Somchem S355
<<locked>>
93%
70648
88%
**46
100%
Somchem S361
<<locked>>
97%
62091
78%
**54
98%
Somchem S365
<<locked>>
97%
62772
79%
**20
100%
Somchem S385
<<locked>>
97%
57305
72%
**38
99%
Vihtavuori N130
<<locked>>
85%
71881
90%
**89
100%
Vihtavuori N133
<<locked>>
88%
71750
90%
**05
100%
Vihtavuori N135
<<locked>>
91%
71330
89%
**51
100%
Vihtavuori N140
<<locked>>
89%
71881
90%
**71
100%
Vihtavuori N150
<<locked>>
95%
71040
89%
**94
100%
Vihtavuori N160
<<locked>>
97%
70866
89%
**76
100%
Vihtavuori N165
<<locked>>
97%
49980
63%
**13
98%
Vihtavuori N530
<<locked>>
85%
70880
89%
**07
100%
Vihtavuori N540
<<locked>>
90%
71518
89%
**90
100%
Vihtavuori N550
<<locked>>
97%
68705
86%
**72
100%
Vihtavuori N555
<<locked>>
97%
54288
68%
**28
100%
Vihtavuori N560
<<locked>>
97%
54824
69%
**00
97%
Vihtavuori N565
<<locked>>
97%
43395
54%
**84
95%
Winchester 6.5 StaBALL
<<locked>>
97%
71040
89%
**33
100%
Winchester 748
<<locked>>
85%
71257
89%
**43
100%
Winchester 760 👍
<<locked>>
96%
70967
89%
**41
100%
Winchester StaBALL HD
<<locked>>
97%
43903
55%
**22
100%
Winchester StaBALL Match
<<locked>>
87%
71185
89%
**53
100%
Winchester Supreme 780
<<locked>>
97%
54244
68%
**82
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59814
75%
**46
100%
ADI AR 2206H
<<locked>>
81%
58885
74%
**08
100%
ADI AR 2208
<<locked>>
81%
49835
62%
**67
100%
[ADI AR 2209]*
<<locked>>
81%
34650
43%
**34
93%
[ADI AR 2213]*
<<locked>>
84%
34476
43%
**48
90%
[ADI AR 2217]*
<<locked>>
94%
34258
43%
**34
90%
[ADI AR 2225]*
<<locked>>
92%
28660
36%
**23
90%
ADI Benchmark 8208
<<locked>>
81%
61003
76%
**99
100%
Accurate 2015
<<locked>>
81%
63106
79%
**33
100%
Accurate 2495
<<locked>>
81%
56449
71%
**77
100%
Accurate 2520
<<locked>>
81%
64803
81%
**38
100%
Accurate 2700
<<locked>>
81%
53577
67%
**03
99%
[Accurate 3100]*
<<locked>>
81%
30298
38%
**16
94%
Accurate 4064
<<locked>>
81%
53534
67%
**87
100%
Accurate 4350
<<locked>>
81%
41162
52%
**75
99%
[Accurate MAGPRO]*
<<locked>>
86%
36114
45%
**30
90%
Alliant AR-Comp
<<locked>>
81%
63469
79%
**59
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
55927
70%
**84
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
50531
63%
**90
100%
Alliant Reloder-15
<<locked>>
81%
54143
68%
**62
100%
Alliant Reloder-16
<<locked>>
81%
39653
50%
**85
99%
Alliant Reloder-17
<<locked>>
81%
45426
57%
**00
100%
[Alliant Reloder-19]*
<<locked>>
81%
34621
43%
**34
93%
[Alliant Reloder-22]*
<<locked>>
81%
30371
38%
**65
91%
Alliant Reloder-23
<<locked>>
81%
29240
37%
**49
98%
[Alliant Reloder-25]*
<<locked>>
81%
25672
32%
**31
91%
Alliant Reloder-26
<<locked>>
81%
31198
39%
**51
96%
Baschieri & Pellagri 107
<<locked>>
81%
59146
74%
**31
100%
[Baschieri & Pellagri 109]*
<<locked>>
91%
43018
54%
**66
90%
[Bofors RP15]*
<<locked>>
83%
30182
38%
**62
90%
Bofors RP3
<<locked>>
81%
51097
64%
**03
100%
[Bofors RP30]*
<<locked>>
91%
31923
40%
**31
90%
[Bofors RP5]*
<<locked>>
81%
30371
38%
**65
91%
Bofors RP7
<<locked>>
81%
44889
56%
**82
98%
Hodgdon BL-C2
<<locked>>
81%
61380
77%
**31
100%
Hodgdon Benchmark
<<locked>>
81%
62120
78%
**69
100%
[Hodgdon H1000]*
<<locked>>
90%
33214
42%
**08
90%
Hodgdon H380
<<locked>>
81%
51663
65%
**23
100%
Hodgdon H414
<<locked>>
81%
42946
54%
**15
98%
Hodgdon H4350
<<locked>>
81%
45745
57%
**38
97%
[Hodgdon H4831]*
<<locked>>
83%
34983
44%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34983
44%
**25
90%
Hodgdon H4895
<<locked>>
81%
59538
75%
**18
100%
Hodgdon Hybrid 100V
<<locked>>
81%
37173
47%
**74
100%
Hodgdon LEVERevolution
<<locked>>
81%
56289
70%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
88%
30864
39%
**25
90%
Hodgdon Superformance
<<locked>>
81%
41887
52%
**31
97%
Hodgdon TrailBoss
<<locked>>
81%
27978
35%
**52
100%
Hodgdon VARGET
<<locked>>
81%
57000
71%
**66
100%
IMR 3031
<<locked>>
81%
60655
76%
**92
100%
IMR 4064
<<locked>>
81%
52504
66%
**94
100%
IMR 4166 Enduron
<<locked>>
81%
54998
69%
**33
99%
IMR 4350
<<locked>>
81%
40248
50%
**16
96%
IMR 4451 Enduron
<<locked>>
81%
46383
58%
**18
98%
IMR 4831
<<locked>>
81%
39508
49%
**26
99%
IMR 4895
<<locked>>
81%
55608
70%
**85
100%
[IMR 4955 Enduron]*
<<locked>>
81%
34969
44%
**92
91%
[IMR 7828 SSC]*
<<locked>>
85%
34301
43%
**57
90%
IMR 8208 XBR
<<locked>>
81%
61003
76%
**99
100%
Lovex D073.6
<<locked>>
81%
59814
75%
**85
100%
Lovex S060
<<locked>>
81%
57261
72%
**30
100%
Lovex S062
<<locked>>
81%
52866
66%
**94
100%
Lovex S065
<<locked>>
81%
43816
55%
**66
99%
Lovex S070
<<locked>>
81%
41945
52%
**46
98%
[Lovex S071]*
<<locked>>
81%
25962
32%
**92
92%
Norma 201
<<locked>>
81%
57566
72%
**53
100%
Norma 202
<<locked>>
81%
58073
73%
**43
100%
Norma 203B
<<locked>>
81%
53635
67%
**49
100%
Norma 204
<<locked>>
81%
39639
50%
**39
95%
[Norma MRP]*
<<locked>>
81%
31604
40%
**28
93%
Norma URP
<<locked>>
81%
40553
51%
**62
99%
Ramshot Big Game
<<locked>>
81%
54085
68%
**69
100%
[Ramshot Grand]*
<<locked>>
85%
33417
42%
**44
90%
Ramshot Hunter
<<locked>>
81%
39334
49%
**49
98%
[Ramshot Magnum]*
<<locked>>
84%
28703
36%
**10
90%
Ramshot TAC
<<locked>>
81%
61017
76%
**35
100%
Ramshot Wild Boar
<<locked>>
81%
61496
77%
**44
100%
Ramshot X-Terminator
<<locked>>
81%
65514
82%
**54
100%
ReloadSwiss RS 14
<<locked>>
81%
28471
36%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
51605
65%
**10
99%
ReloadSwiss RS 52
<<locked>>
81%
58682
73%
**77
100%
ReloadSwiss RS 60
<<locked>>
81%
48211
60%
**56
100%
ReloadSwiss RS 62
<<locked>>
81%
40799
51%
**89
99%
ReloadSwiss RS 70
<<locked>>
81%
39479
49%
**05
99%
[ReloadSwiss RS 76]*
<<locked>>
87%
29399
37%
**79
90%
Rottweil R 901
<<locked>>
81%
61583
77%
**66
100%
Rottweil R 902
<<locked>>
81%
54650
68%
**00
100%
Rottweil R 903
<<locked>>
81%
48283
60%
**54
100%
[Rottweil R 904]*
<<locked>>
81%
35984
45%
**21
92%
[Rottweil R 905]*
<<locked>>
81%
33533
42%
**15
93%
Rottweil R 907
<<locked>>
81%
44889
56%
**82
98%
SNPE Vectan SP 11
<<locked>>
81%
49429
62%
**10
100%
SNPE Vectan SP 7
<<locked>>
81%
60060
75%
**18
100%
SNPE Vectan SP 9
<<locked>>
81%
57058
71%
**82
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
58131
73%
**77
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49197
62%
**46
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
42757
54%
**10
98%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
33199
42%
**15
92%
Shooters World Long Rifle
<<locked>>
81%
43816
55%
**66
99%
Shooters World Match Rifle
<<locked>>
81%
59814
75%
**85
100%
Shooters World Precision
<<locked>>
81%
52866
66%
**94
100%
Shooters World SW4350
<<locked>>
81%
41945
52%
**46
98%
Somchem S335
<<locked>>
81%
57928
72%
**77
100%
Somchem S341
<<locked>>
81%
60234
75%
**08
100%
Somchem S355
<<locked>>
81%
48486
61%
**54
100%
[Somchem S361]*
<<locked>>
81%
36666
46%
**18
91%
Somchem S365
<<locked>>
81%
37101
46%
**26
100%
[Somchem S385]*
<<locked>>
81%
34156
43%
**05
94%
Vihtavuori N130
<<locked>>
81%
64687
81%
**13
100%
Vihtavuori N133
<<locked>>
81%
58581
73%
**57
100%
Vihtavuori N135
<<locked>>
81%
52620
66%
**31
100%
Vihtavuori N140
<<locked>>
81%
55172
69%
**77
100%
Vihtavuori N150
<<locked>>
81%
46253
58%
**79
100%
Vihtavuori N160
<<locked>>
81%
42119
53%
**62
99%
[Vihtavuori N165]*
<<locked>>
81%
29573
37%
**83
91%
Vihtavuori N530
<<locked>>
81%
61496
77%
**99
100%
Vihtavuori N540
<<locked>>
81%
53432
67%
**74
100%
Vihtavuori N550
<<locked>>
81%
41655
52%
**66
99%
Vihtavuori N555
<<locked>>
81%
32329
40%
**18
98%
[Vihtavuori N560]*
<<locked>>
83%
34824
44%
**90
90%
[Vihtavuori N565]*
<<locked>>
89%
33388
42%
**54
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41350
52%
**36
100%
Winchester 748
<<locked>>
81%
62729
78%
**51
100%
Winchester 760
<<locked>>
81%
43352
54%
**31
98%
Winchester StaBALL HD
<<locked>>
81%
22902
29%
**20
97%
Winchester StaBALL Match
<<locked>>
81%
57305
72%
**82
100%
[Winchester Supreme 780]*
<<locked>>
81%
31082
39%
**29
91%

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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