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Load data for 7 mm Backcountry + .284 | 160gr | Speer Boat-Tail

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

7 mm Backcountry + .284 | 160gr | Speer Boat-Tail

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 160gr | Speer Boat-Tail
Manufacturer SKU:
1634
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_B6127_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 | Speer Boat-Tail 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%
71721
90%
**10
101%
ADI AR 2206H
<<locked>>
87%
70996
89%
**66
100%
ADI AR 2208
<<locked>>
92%
70953
89%
**49
100%
ADI AR 2209
<<locked>>
97%
59176
74%
**10
99%
ADI AR 2213
<<locked>>
97%
52344
65%
**31
97%
[ADI AR 2217]*
<<locked>>
97%
38754
48%
**52
93%
[ADI AR 2225]*
<<locked>>
97%
33997
43%
**90
94%
ADI Benchmark 8208
<<locked>>
86%
71214
89%
**23
100%
Accurate 2015
<<locked>>
85%
70663
88%
**18
100%
Accurate 2495
<<locked>>
88%
70851
89%
**44
100%
Accurate 2520
<<locked>>
83%
70604
88%
**07
100%
Accurate 2700
<<locked>>
90%
71301
89%
**36
100%
Accurate 3100
<<locked>>
97%
52069
65%
**49
100%
Accurate 4064
<<locked>>
90%
71214
89%
**00
100%
Accurate 4350
<<locked>>
97%
70880
89%
**09
100%
Accurate MAGPRO
<<locked>>
97%
54143
68%
**94
97%
Alliant AR-Comp
<<locked>>
85%
71910
90%
**51
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
71431
89%
**87
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
71910
90%
**63
100%
Alliant Reloder-15
<<locked>>
90%
71881
90%
**92
100%
Alliant Reloder-16
<<locked>>
97%
66587
83%
**09
100%
Alliant Reloder-17
<<locked>>
93%
70750
89%
**51
100%
Alliant Reloder-19
<<locked>>
97%
58059
73%
**84
99%
Alliant Reloder-22
<<locked>>
97%
51648
65%
**35
98%
Alliant Reloder-23
<<locked>>
97%
48907
61%
**62
100%
Alliant Reloder-25
<<locked>>
97%
43192
54%
**10
99%
Alliant Reloder-26
<<locked>>
97%
57174
72%
**76
100%
Baschieri & Pellagri 107
<<locked>>
87%
71678
90%
**86
100%
[Baschieri & Pellagri 109]*
<<locked>>
97%
52301
65%
**53
94%
Bofors RP15
<<locked>>
97%
48138
60%
**69
98%
Bofors RP3
<<locked>>
91%
71272
89%
**63
100%
[Bofors RP30]*
<<locked>>
97%
38885
49%
**15
94%
Bofors RP5
<<locked>>
97%
51648
65%
**35
98%
Bofors RP7
<<locked>>
95%
71156
89%
**79
100%
Hodgdon BL-C2
<<locked>>
85%
71243
89%
**46
100%
Hodgdon Benchmark
<<locked>>
85%
71040
89%
**77
100%
Hodgdon H1000
<<locked>>
97%
42119
53%
**35
95%
Hodgdon H380
<<locked>>
91%
71373
89%
**89
100%
Hodgdon H414 👍
<<locked>>
96%
70866
89%
**38
100%
Hodgdon H4350 👍
<<locked>>
95%
71620
90%
**25
100%
Hodgdon H4831
<<locked>>
97%
56913
71%
**48
97%
Hodgdon H4831 SC
<<locked>>
97%
55129
69%
**18
97%
Hodgdon H4895
<<locked>>
87%
71852
90%
**63
100%
Hodgdon Hybrid 100V
<<locked>>
97%
63150
79%
**81
100%
Hodgdon LEVERevolution
<<locked>>
88%
71707
90%
**95
100%
Hodgdon Retumbo
<<locked>>
97%
41669
52%
**20
96%
Hodgdon Superformance 👍
<<locked>>
95%
71794
90%
**84
100%
Hodgdon TrailBoss
<<locked>>
96%
34650
43%
**93
100%
Hodgdon VARGET
<<locked>>
88%
70851
89%
**43
100%
IMR 3031
<<locked>>
86%
71547
90%
**17
100%
IMR 4064
<<locked>>
91%
71388
89%
**46
100%
IMR 4166 Enduron
<<locked>>
89%
71852
90%
**66
100%
IMR 4350
<<locked>>
97%
67008
84%
**43
100%
IMR 4451 Enduron
<<locked>>
95%
71794
90%
**92
100%
IMR 4831
<<locked>>
97%
66413
83%
**49
100%
IMR 4895
<<locked>>
89%
71533
90%
**89
100%
IMR 4955 Enduron
<<locked>>
97%
58291
73%
**31
98%
IMR 7828 SSC
<<locked>>
97%
50372
63%
**15
97%
IMR 8208 XBR
<<locked>>
86%
71214
89%
**23
100%
Lovex D073.6
<<locked>>
86%
71417
89%
**13
100%
Lovex S060
<<locked>>
88%
71576
90%
**07
100%
Lovex S062
<<locked>>
91%
71895
90%
**30
100%
Lovex S065
<<locked>>
97%
71040
89%
**63
100%
Lovex S070
<<locked>>
97%
69662
87%
**72
100%
Lovex S071
<<locked>>
97%
43801
55%
**15
99%
Norma 201
<<locked>>
88%
71779
90%
**30
100%
Norma 202
<<locked>>
87%
71765
90%
**04
100%
Norma 203B
<<locked>>
90%
70982
89%
**76
100%
Norma 204 👍
<<locked>>
97%
68632
86%
**02
100%
Norma MRP
<<locked>>
97%
55100
69%
**20
100%
Norma URP
<<locked>>
97%
68893
86%
**95
100%
Ramshot Big Game
<<locked>>
89%
71214
89%
**86
100%
Ramshot Grand
<<locked>>
97%
50531
63%
**31
97%
Ramshot Hunter
<<locked>>
97%
67051
84%
**95
100%
Ramshot Magnum
<<locked>>
97%
45324
57%
**07
98%
Ramshot TAC
<<locked>>
86%
71562
90%
**69
100%
Ramshot Wild Boar
<<locked>>
85%
71228
89%
**63
100%
Ramshot X-Terminator
<<locked>>
83%
71243
89%
**23
100%
ReloadSwiss RS 14
<<locked>>
97%
35868
45%
**42
100%
ReloadSwiss RS 50
<<locked>>
91%
71750
90%
**79
100%
ReloadSwiss RS 52
<<locked>>
86%
71156
89%
**35
100%
ReloadSwiss RS 60
<<locked>>
92%
71779
90%
**54
100%
ReloadSwiss RS 62
<<locked>>
97%
71388
89%
**35
100%
ReloadSwiss RS 70
<<locked>>
97%
69415
87%
**71
100%
ReloadSwiss RS 76
<<locked>>
97%
41466
52%
**20
98%
Rottweil R 901
<<locked>>
86%
71417
89%
**84
100%
Rottweil R 902
<<locked>>
89%
70822
89%
**10
100%
Rottweil R 903
<<locked>>
93%
71576
90%
**53
100%
Rottweil R 904
<<locked>>
97%
60060
75%
**64
98%
Rottweil R 905
<<locked>>
97%
57798
72%
**84
99%
Rottweil R 907
<<locked>>
95%
71156
89%
**79
100%
SNPE Vectan SP 11
<<locked>>
92%
71475
89%
**95
100%
SNPE Vectan SP 7
<<locked>>
85%
70967
89%
**49
100%
SNPE Vectan SP 9
<<locked>>
88%
71243
89%
**53
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
71054
89%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
71678
90%
**22
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
71533
90%
**27
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
57305
72%
**77
99%
Shooters World Long Rifle
<<locked>>
97%
71040
89%
**63
100%
Shooters World Match Rifle
<<locked>>
86%
71417
89%
**13
100%
Shooters World Precision
<<locked>>
91%
71895
90%
**30
100%
Shooters World SW4350
<<locked>>
97%
69662
87%
**72
100%
Somchem S335
<<locked>>
88%
71620
90%
**35
100%
Somchem S341
<<locked>>
86%
70677
88%
**27
100%
Somchem S355
<<locked>>
93%
70837
89%
**46
100%
Somchem S361
<<locked>>
97%
62511
78%
**64
98%
Somchem S365
<<locked>>
97%
64469
81%
**40
100%
Somchem S385
<<locked>>
97%
57725
72%
**48
99%
Vihtavuori N130
<<locked>>
84%
71591
90%
**89
100%
Vihtavuori N133
<<locked>>
87%
71402
89%
**99
100%
Vihtavuori N135
<<locked>>
90%
70924
89%
**51
100%
Vihtavuori N140
<<locked>>
89%
71402
89%
**71
100%
Vihtavuori N150
<<locked>>
94%
71765
90%
**07
100%
Vihtavuori N160
<<locked>>
97%
70967
89%
**72
100%
Vihtavuori N165
<<locked>>
97%
50227
63%
**17
98%
Vihtavuori N530
<<locked>>
85%
71591
90%
**13
100%
Vihtavuori N540
<<locked>>
90%
70967
89%
**87
100%
Vihtavuori N550
<<locked>>
97%
70416
88%
**99
100%
Vihtavuori N555
<<locked>>
97%
54984
69%
**44
100%
Vihtavuori N560
<<locked>>
97%
55201
69%
**10
97%
Vihtavuori N565
<<locked>>
97%
44353
55%
**07
95%
Winchester 6.5 StaBALL
<<locked>>
97%
71301
89%
**40
100%
Winchester 748
<<locked>>
84%
70822
89%
**43
100%
Winchester 760 👍
<<locked>>
96%
70866
89%
**38
100%
Winchester StaBALL HD
<<locked>>
97%
44367
56%
**31
100%
Winchester StaBALL Match
<<locked>>
87%
71765
90%
**66
100%
Winchester Supreme 780
<<locked>>
97%
54621
68%
**92
98%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59886
75%
**56
100%
ADI AR 2206H
<<locked>>
81%
59132
74%
**15
100%
ADI AR 2208
<<locked>>
81%
50546
63%
**80
100%
[ADI AR 2209]*
<<locked>>
81%
35172
44%
**51
93%
[ADI AR 2213]*
<<locked>>
83%
33997
43%
**38
90%
[ADI AR 2217]*
<<locked>>
93%
34127
43%
**31
90%
[ADI AR 2225]*
<<locked>>
91%
28355
35%
**20
90%
ADI Benchmark 8208
<<locked>>
81%
61250
77%
**05
100%
Accurate 2015
<<locked>>
81%
63599
80%
**40
100%
Accurate 2495
<<locked>>
81%
56739
71%
**84
100%
Accurate 2520
<<locked>>
81%
65514
82%
**44
100%
Accurate 2700
<<locked>>
81%
54056
68%
**13
99%
Accurate 3100
<<locked>>
81%
30487
38%
**23
95%
Accurate 4064
<<locked>>
81%
53693
67%
**90
100%
Accurate 4350
<<locked>>
81%
41408
52%
**82
99%
[Accurate MAGPRO]*
<<locked>>
85%
36042
45%
**30
90%
Alliant AR-Comp
<<locked>>
81%
64252
80%
**69
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
56666
71%
**04
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
51126
64%
**00
100%
Alliant Reloder-15
<<locked>>
81%
54534
68%
**72
100%
Alliant Reloder-16
<<locked>>
81%
40205
50%
**98
99%
Alliant Reloder-17
<<locked>>
81%
46093
58%
**20
100%
[Alliant Reloder-19]*
<<locked>>
81%
34824
44%
**51
93%
[Alliant Reloder-22]*
<<locked>>
81%
30864
39%
**82
91%
Alliant Reloder-23
<<locked>>
81%
29544
37%
**59
98%
[Alliant Reloder-25]*
<<locked>>
81%
26092
33%
**51
92%
Alliant Reloder-26
<<locked>>
81%
31662
40%
**74
97%
Baschieri & Pellagri 107
<<locked>>
81%
59770
75%
**48
100%
[Baschieri & Pellagri 109]*
<<locked>>
90%
42743
53%
**62
90%
[Bofors RP15]*
<<locked>>
83%
30226
38%
**62
90%
Bofors RP3
<<locked>>
81%
51837
65%
**13
100%
[Bofors RP30]*
<<locked>>
90%
31618
40%
**28
90%
[Bofors RP5]*
<<locked>>
81%
30864
39%
**82
91%
Bofors RP7
<<locked>>
81%
45223
57%
**92
98%
Hodgdon BL-C2
<<locked>>
81%
62062
78%
**41
100%
Hodgdon Benchmark
<<locked>>
81%
62221
78%
**82
100%
[Hodgdon H1000]*
<<locked>>
89%
32547
41%
**98
90%
Hodgdon H380
<<locked>>
81%
52344
66%
**33
100%
Hodgdon H414
<<locked>>
81%
43453
54%
**35
98%
Hodgdon H4350
<<locked>>
81%
46369
58%
**51
97%
[Hodgdon H4831]*
<<locked>>
82%
34882
44%
**25
90%
[Hodgdon H4831 SC]*
<<locked>>
83%
34882
44%
**25
90%
Hodgdon H4895
<<locked>>
81%
59814
75%
**25
100%
Hodgdon Hybrid 100V
<<locked>>
81%
37869
47%
**90
100%
Hodgdon LEVERevolution
<<locked>>
81%
56985
71%
**15
100%
[Hodgdon Retumbo]*
<<locked>>
87%
31024
39%
**31
90%
Hodgdon Superformance
<<locked>>
81%
42366
53%
**48
97%
Hodgdon TrailBoss
<<locked>>
81%
27920
35%
**55
100%
Hodgdon VARGET
<<locked>>
81%
57130
71%
**69
100%
IMR 3031
<<locked>>
81%
60887
76%
**99
100%
IMR 4064
<<locked>>
81%
53258
67%
**13
100%
IMR 4166 Enduron
<<locked>>
81%
55506
69%
**43
100%
IMR 4350
<<locked>>
81%
40843
51%
**33
97%
IMR 4451 Enduron
<<locked>>
81%
46891
59%
**28
98%
IMR 4831
<<locked>>
81%
39755
50%
**33
99%
IMR 4895
<<locked>>
81%
55898
70%
**92
100%
[IMR 4955 Enduron]*
<<locked>>
81%
35389
44%
**05
91%
[IMR 7828 SSC]*
<<locked>>
84%
33605
42%
**41
90%
IMR 8208 XBR
<<locked>>
81%
61250
77%
**05
100%
Lovex D073.6
<<locked>>
81%
59857
75%
**89
100%
Lovex S060
<<locked>>
81%
57986
73%
**40
100%
Lovex S062
<<locked>>
81%
53635
67%
**07
100%
Lovex S065
<<locked>>
81%
44048
55%
**72
99%
Lovex S070
<<locked>>
81%
42351
53%
**56
98%
[Lovex S071]*
<<locked>>
81%
26469
33%
**11
92%
Norma 201
<<locked>>
81%
57856
72%
**59
100%
Norma 202
<<locked>>
81%
58711
73%
**53
100%
Norma 203B
<<locked>>
81%
53751
67%
**56
100%
Norma 204
<<locked>>
81%
40205
50%
**52
95%
[Norma MRP]*
<<locked>>
81%
32082
40%
**41
93%
Norma URP
<<locked>>
81%
41234
52%
**79
99%
Ramshot Big Game
<<locked>>
81%
54723
68%
**85
100%
[Ramshot Grand]*
<<locked>>
85%
33359
42%
**54
90%
Ramshot Hunter
<<locked>>
81%
39929
50%
**72
98%
[Ramshot Magnum]*
<<locked>>
84%
29051
36%
**23
90%
Ramshot TAC
<<locked>>
81%
61598
77%
**51
100%
Ramshot Wild Boar
<<locked>>
81%
62134
78%
**54
100%
Ramshot X-Terminator
<<locked>>
81%
66137
83%
**67
100%
ReloadSwiss RS 14
<<locked>>
81%
28471
36%
**91
100%
ReloadSwiss RS 50
<<locked>>
81%
52083
65%
**17
100%
ReloadSwiss RS 52
<<locked>>
81%
59509
74%
**90
100%
ReloadSwiss RS 60
<<locked>>
81%
48921
61%
**66
100%
ReloadSwiss RS 62
<<locked>>
81%
41423
52%
**02
99%
ReloadSwiss RS 70
<<locked>>
81%
40001
50%
**15
99%
[ReloadSwiss RS 76]*
<<locked>>
86%
28848
36%
**65
90%
Rottweil R 901
<<locked>>
81%
62163
78%
**76
100%
Rottweil R 902
<<locked>>
81%
55448
69%
**13
100%
Rottweil R 903
<<locked>>
81%
48762
61%
**61
100%
[Rottweil R 904]*
<<locked>>
81%
36550
46%
**38
92%
[Rottweil R 905]*
<<locked>>
81%
34011
43%
**28
93%
Rottweil R 907
<<locked>>
81%
45223
57%
**92
98%
SNPE Vectan SP 11
<<locked>>
81%
50096
63%
**20
100%
SNPE Vectan SP 7
<<locked>>
81%
60684
76%
**25
100%
SNPE Vectan SP 9
<<locked>>
81%
57595
72%
**89
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
58668
73%
**87
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
49908
62%
**59
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
43134
54%
**20
98%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
33692
42%
**28
93%
Shooters World Long Rifle
<<locked>>
81%
44048
55%
**72
99%
Shooters World Match Rifle
<<locked>>
81%
59857
75%
**89
100%
Shooters World Precision
<<locked>>
81%
53635
67%
**07
100%
Shooters World SW4350
<<locked>>
81%
42351
53%
**56
98%
Somchem S335
<<locked>>
81%
58073
73%
**84
100%
Somchem S341
<<locked>>
81%
60858
76%
**15
100%
Somchem S355
<<locked>>
81%
48776
61%
**61
100%
[Somchem S361]*
<<locked>>
81%
37115
46%
**31
92%
Somchem S365
<<locked>>
81%
37681
47%
**39
100%
[Somchem S385]*
<<locked>>
81%
34722
43%
**21
94%
Vihtavuori N130
<<locked>>
81%
65383
82%
**23
100%
Vihtavuori N133
<<locked>>
81%
59422
74%
**67
100%
Vihtavuori N135
<<locked>>
81%
53316
67%
**41
100%
Vihtavuori N140
<<locked>>
81%
55782
70%
**87
100%
Vihtavuori N150
<<locked>>
81%
46818
59%
**89
100%
Vihtavuori N160
<<locked>>
81%
42496
53%
**72
99%
[Vihtavuori N165]*
<<locked>>
81%
29849
37%
**93
91%
Vihtavuori N530
<<locked>>
81%
62236
78%
**08
100%
Vihtavuori N540
<<locked>>
81%
54099
68%
**84
100%
Vihtavuori N550
<<locked>>
81%
42134
53%
**75
99%
Vihtavuori N555
<<locked>>
81%
32982
41%
**38
98%
[Vihtavuori N560]*
<<locked>>
83%
34708
43%
**87
90%
[Vihtavuori N565]*
<<locked>>
88%
33069
41%
**51
90%
Winchester 6.5 StaBALL
<<locked>>
81%
41843
52%
**49
100%
Winchester 748
<<locked>>
81%
63469
79%
**61
100%
Winchester 760
<<locked>>
81%
43453
54%
**35
98%
Winchester StaBALL HD
<<locked>>
81%
23482
29%
**39
97%
Winchester StaBALL Match
<<locked>>
81%
57957
73%
**99
100%
[Winchester Supreme 780]*
<<locked>>
81%
31560
39%
**43
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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