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Load data for 7 mm Backcountry + .284 | 150gr | Prvi Partizan HP BT

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

7 mm Backcountry + .284 | 150gr | Prvi Partizan HP BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Prvi Partizan HP BT
Manufacturer SKU:
B-405
Bullet Weight:
150gr | 9.7g
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_B9122_C991
Last updated:
2026-07-16

Load data for 256 loads in caliber 7 mm Backcountry with .284 | 150gr | Prvi Partizan HP BT 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.

    .

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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%
71344
89%
**65
101%
ADI AR 2206H
<<locked>>
89%
70909
89%
**48
100%
ADI AR 2208
<<locked>>
94%
71634
90%
**45
100%
ADI AR 2209
<<locked>>
97%
54505
68%
**07
98%
ADI AR 2213
<<locked>>
97%
49226
62%
**41
95%
ADI Benchmark 8208
<<locked>>
88%
71489
89%
**09
100%
Accurate 2015
<<locked>>
86%
70996
89%
**00
100%
Accurate 2495
<<locked>>
90%
71808
90%
**43
100%
Accurate 2520
<<locked>>
85%
71170
89%
**92
100%
Accurate 2700
<<locked>>
91%
71054
89%
**12
100%
Accurate 3100
<<locked>>
97%
47979
60%
**66
99%
Accurate 4064
<<locked>>
92%
71910
90%
**02
100%
Accurate 4350
<<locked>>
97%
65789
82%
**41
100%
Accurate MAGPRO
<<locked>>
97%
50256
63%
**97
95%
Alliant AR-Comp
<<locked>>
86%
71243
89%
**30
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
71272
89%
**69
100%
Alliant Reloder- TS 15.5
<<locked>>
94%
71910
90%
**48
100%
Alliant Reloder-10x
<<locked>>
83%
70880
89%
**13
100%
Alliant Reloder-15
<<locked>>
92%
71721
90%
**77
100%
Alliant Reloder-16
<<locked>>
97%
62366
78%
**45
100%
Alliant Reloder-17
<<locked>>
96%
71866
90%
**53
100%
Alliant Reloder-19
<<locked>>
97%
53954
68%
**00
98%
Alliant Reloder-22
<<locked>>
97%
48124
60%
**48
97%
Alliant Reloder-23
<<locked>>
97%
45818
57%
**92
100%
Alliant Reloder-25
<<locked>>
97%
39479
49%
**94
98%
Alliant Reloder-26
<<locked>>
97%
51663
65%
**69
100%
Baschieri & Pellagri 107
<<locked>>
88%
71127
89%
**64
100%
Bofors RP15
<<locked>>
97%
44019
55%
**66
96%
Bofors RP3
<<locked>>
93%
71692
90%
**48
100%
Bofors RP5
<<locked>>
97%
48124
60%
**48
97%
Bofors RP7
<<locked>>
97%
70184
88%
**41
100%
Hodgdon BL-C2
<<locked>>
87%
71663
90%
**45
100%
Hodgdon Benchmark
<<locked>>
87%
71417
89%
**72
100%
Hodgdon CFE223
<<locked>>
83%
71040
89%
**14
100%
[Hodgdon H1000]*
<<locked>>
97%
39581
50%
**28
92%
Hodgdon H380
<<locked>>
92%
70822
89%
**61
100%
Hodgdon H414 👍
<<locked>>
97%
69024
86%
**10
100%
Hodgdon H4350 👍
<<locked>>
97%
71910
90%
**10
100%
Hodgdon H4831
<<locked>>
97%
52576
66%
**51
96%
Hodgdon H4831 SC
<<locked>>
97%
51488
64%
**28
95%
Hodgdon H4895
<<locked>>
89%
71750
90%
**58
100%
Hodgdon Hybrid 100V
<<locked>>
97%
59176
74%
**17
100%
Hodgdon LEVERevolution
<<locked>>
90%
70938
89%
**77
100%
[Hodgdon Retumbo]*
<<locked>>
97%
39189
49%
**20
94%
Hodgdon Superformance 👍
<<locked>>
97%
70546
88%
**56
100%
Hodgdon TrailBoss
<<locked>>
97%
35027
44%
**49
100%
Hodgdon VARGET
<<locked>>
90%
70996
89%
**28
100%
IMR 3031
<<locked>>
88%
71446
89%
**09
100%
IMR 4064
<<locked>>
92%
70982
89%
**28
100%
IMR 4166 Enduron
<<locked>>
91%
71605
90%
**45
100%
IMR 4198
<<locked>>
84%
71214
89%
**74
100%
IMR 4350
<<locked>>
97%
62308
78%
**56
99%
IMR 4451 Enduron
<<locked>>
97%
71431
89%
**68
100%
IMR 4831
<<locked>>
97%
61728
77%
**69
100%
IMR 4895
<<locked>>
91%
71518
89%
**77
100%
IMR 4955 Enduron
<<locked>>
97%
54114
68%
**44
96%
IMR 7828 SSC
<<locked>>
97%
46920
59%
**12
95%
IMR 8208 XBR
<<locked>>
88%
71489
89%
**09
100%
Lovex D073.6
<<locked>>
88%
71141
89%
**02
100%
Lovex S060
<<locked>>
90%
71315
89%
**89
100%
Lovex S062
<<locked>>
92%
71156
89%
**12
100%
Lovex S065
<<locked>>
97%
67762
85%
**05
100%
Lovex S070
<<locked>>
97%
64875
81%
**99
100%
Lovex S071
<<locked>>
97%
40437
51%
**18
97%
Norma 201
<<locked>>
89%
70590
88%
**02
100%
Norma 202
<<locked>>
89%
71547
90%
**92
100%
Norma 203B
<<locked>>
92%
70982
89%
**64
100%
Norma 204
<<locked>>
97%
64629
81%
**31
99%
Norma MRP
<<locked>>
97%
51097
64%
**33
99%
Norma URP
<<locked>>
97%
63585
80%
**12
100%
Ramshot Big Game
<<locked>>
91%
71417
89%
**77
100%
Ramshot Grand
<<locked>>
97%
46920
59%
**25
95%
Ramshot Hunter
<<locked>>
97%
63164
79%
**31
100%
Ramshot Magnum
<<locked>>
97%
41510
52%
**90
95%
Ramshot TAC
<<locked>>
87%
71069
89%
**45
100%
Ramshot Wild Boar
<<locked>>
87%
71620
90%
**58
100%
Ramshot X-Terminator
<<locked>>
85%
70924
89%
**05
100%
ReloadSwiss RS 14
<<locked>>
96%
35099
44%
**78
100%
ReloadSwiss RS 40
<<locked>>
84%
71431
89%
**95
100%
ReloadSwiss RS 50
<<locked>>
93%
71170
89%
**58
100%
ReloadSwiss RS 52
<<locked>>
88%
71257
89%
**23
100%
ReloadSwiss RS 60
<<locked>>
94%
71475
89%
**43
100%
ReloadSwiss RS 62
<<locked>>
97%
65688
82%
**64
100%
ReloadSwiss RS 70 👍
<<locked>>
97%
65122
81%
**07
100%
ReloadSwiss RS 76
<<locked>>
97%
38566
48%
**00
95%
Rottweil R 901
<<locked>>
87%
71431
89%
**69
100%
Rottweil R 902
<<locked>>
91%
71591
90%
**02
100%
Rottweil R 903
<<locked>>
95%
70938
89%
**41
100%
Rottweil R 904
<<locked>>
97%
56521
71%
**84
97%
Rottweil R 905
<<locked>>
97%
53925
67%
**00
98%
Rottweil R 907
<<locked>>
97%
70184
88%
**41
100%
SNPE Vectan SP 11
<<locked>>
94%
71692
90%
**91
100%
SNPE Vectan SP 7
<<locked>>
87%
71417
89%
**45
100%
SNPE Vectan SP 9
<<locked>>
90%
71649
90%
**45
100%
SNPE Vectan Tubal 3000
<<locked>>
89%
71852
90%
**17
100%
SNPE Vectan Tubal 5000
<<locked>>
95%
71489
89%
**04
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
67356
84%
**59
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
53461
67%
**94
98%
Shooters World Long Rifle
<<locked>>
97%
67762
85%
**05
100%
Shooters World Match Rifle
<<locked>>
88%
71141
89%
**02
100%
Shooters World Precision
<<locked>>
92%
71156
89%
**12
100%
Shooters World SW4350
<<locked>>
97%
64875
81%
**99
100%
Somchem S321
<<locked>>
84%
71344
89%
**15
100%
Somchem S335
<<locked>>
90%
71794
90%
**20
100%
Somchem S341
<<locked>>
88%
71243
89%
**22
100%
Somchem S355
<<locked>>
95%
71765
90%
**48
100%
Somchem S361
<<locked>>
97%
58900
74%
**84
97%
Somchem S365
<<locked>>
97%
59001
74%
**66
100%
Somchem S385
<<locked>>
97%
54027
68%
**67
99%
Vihtavuori N130
<<locked>>
86%
71373
89%
**74
100%
Vihtavuori N133
<<locked>>
89%
71083
89%
**81
100%
Vihtavuori N135
<<locked>>
93%
71431
89%
**43
100%
Vihtavuori N140
<<locked>>
91%
71011
89%
**46
100%
Vihtavuori N150
<<locked>>
96%
71257
89%
**89
100%
Vihtavuori N160
<<locked>>
97%
66210
83%
**09
100%
Vihtavuori N165
<<locked>>
97%
46398
58%
**23
97%
Vihtavuori N530
<<locked>>
87%
71257
89%
**99
100%
Vihtavuori N540
<<locked>>
92%
71692
90%
**79
100%
Vihtavuori N550
<<locked>>
97%
65282
82%
**22
100%
Vihtavuori N555
<<locked>>
97%
50763
64%
**61
100%
Vihtavuori N560
<<locked>>
97%
51619
65%
**23
96%
[Vihtavuori N565]*
<<locked>>
97%
40509
51%
**94
92%
Winchester 6.5 StaBALL
<<locked>>
97%
67254
84%
**86
100%
Winchester 748
<<locked>>
86%
71098
89%
**38
100%
Winchester 760 👍
<<locked>>
97%
68472
86%
**94
100%
Winchester StaBALL HD
<<locked>>
97%
39813
50%
**35
100%
Winchester StaBALL Match
<<locked>>
89%
71243
89%
**48
100%
Winchester Supreme 780
<<locked>>
97%
50241
63%
**99
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
59364
74%
**01
100%
ADI AR 2206H
<<locked>>
81%
56231
70%
**61
100%
ADI AR 2208
<<locked>>
81%
47558
60%
**03
100%
[ADI AR 2209]*
<<locked>>
81%
32924
41%
**54
90%
[ADI AR 2213]*
<<locked>>
88%
36637
46%
**72
90%
ADI Benchmark 8208
<<locked>>
81%
58349
73%
**48
100%
Accurate 2015
<<locked>>
81%
60379
76%
**85
100%
Accurate 2495
<<locked>>
81%
53577
67%
**33
100%
Accurate 2520
<<locked>>
81%
61699
77%
**84
100%
Accurate 2700
<<locked>>
81%
51140
64%
**33
98%
[Accurate 3100]*
<<locked>>
81%
28268
35%
**29
92%
Accurate 4064
<<locked>>
81%
50763
64%
**40
100%
Accurate 4350
<<locked>>
81%
38624
48%
**02
98%
[Accurate MAGPRO]*
<<locked>>
89%
38725
48%
**64
90%
Alliant AR-Comp
<<locked>>
81%
60379
76%
**12
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
52823
66%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
48428
61%
**33
100%
Alliant Reloder-10x
<<locked>>
81%
66717
83%
**67
100%
Alliant Reloder-15
<<locked>>
81%
51532
64%
**02
100%
Alliant Reloder-16
<<locked>>
81%
37478
47%
**02
98%
Alliant Reloder-17
<<locked>>
81%
42743
53%
**36
100%
[Alliant Reloder-19]*
<<locked>>
81%
32750
41%
**54
91%
[Alliant Reloder-22]*
<<locked>>
84%
31995
40%
**70
90%
Alliant Reloder-23
<<locked>>
81%
27499
34%
**62
96%
[Alliant Reloder-25]*
<<locked>>
83%
26266
33%
**10
90%
[Alliant Reloder-26]*
<<locked>>
81%
29196
37%
**64
94%
Baschieri & Pellagri 107
<<locked>>
81%
56362
71%
**81
100%
[Bofors RP15]*
<<locked>>
87%
32445
41%
**87
90%
Bofors RP3
<<locked>>
81%
48399
61%
**36
100%
[Bofors RP5]*
<<locked>>
84%
31995
40%
**70
90%
Bofors RP7
<<locked>>
81%
42728
53%
**15
96%
Hodgdon BL-C2
<<locked>>
81%
58450
73%
**77
100%
Hodgdon Benchmark
<<locked>>
81%
59640
75%
**31
100%
Hodgdon CFE223
<<locked>>
81%
65528
82%
**48
100%
[Hodgdon H1000]*
<<locked>>
93%
35346
44%
**20
90%
Hodgdon H380
<<locked>>
81%
49095
61%
**53
100%
Hodgdon H414
<<locked>>
81%
40538
51%
**41
96%
Hodgdon H4350
<<locked>>
81%
43424
54%
**61
96%
[Hodgdon H4831]*
<<locked>>
87%
37768
47%
**59
90%
[Hodgdon H4831 SC]*
<<locked>>
87%
37768
47%
**59
90%
Hodgdon H4895
<<locked>>
81%
56840
71%
**64
100%
Hodgdon Hybrid 100V
<<locked>>
81%
34925
44%
**03
99%
Hodgdon LEVERevolution
<<locked>>
81%
53403
67%
**44
100%
[Hodgdon Retumbo]*
<<locked>>
92%
32938
41%
**46
90%
Hodgdon Superformance
<<locked>>
81%
39537
49%
**51
95%
Hodgdon TrailBoss
<<locked>>
81%
27572
34%
**91
100%
Hodgdon VARGET
<<locked>>
81%
54462
68%
**18
100%
IMR 3031
<<locked>>
81%
57653
72%
**41
100%
IMR 4064
<<locked>>
81%
50096
63%
**40
100%
IMR 4166 Enduron
<<locked>>
81%
52663
66%
**69
99%
IMR 4198
<<locked>>
81%
65702
82%
**18
100%
IMR 4350
<<locked>>
81%
38189
48%
**36
95%
IMR 4451 Enduron
<<locked>>
81%
44251
55%
**44
97%
IMR 4831
<<locked>>
81%
37202
47%
**52
98%
IMR 4895
<<locked>>
81%
52924
66%
**35
100%
[IMR 4955 Enduron]*
<<locked>>
84%
36419
46%
**90
90%
[IMR 7828 SSC]*
<<locked>>
89%
36782
46%
**79
90%
IMR 8208 XBR
<<locked>>
81%
58349
73%
**48
100%
Lovex D073.6
<<locked>>
81%
56855
71%
**31
100%
Lovex S060
<<locked>>
81%
54911
69%
**82
100%
Lovex S062
<<locked>>
81%
50372
63%
**36
100%
Lovex S065
<<locked>>
81%
41655
52%
**98
98%
Lovex S070
<<locked>>
81%
39784
50%
**75
96%
[Lovex S071]*
<<locked>>
83%
25469
32%
**41
90%
Norma 201
<<locked>>
81%
54998
69%
**99
100%
Norma 202
<<locked>>
81%
55753
70%
**95
100%
Norma 203B
<<locked>>
81%
51024
64%
**89
100%
[Norma 204]*
<<locked>>
81%
37463
47%
**62
93%
[Norma MRP]*
<<locked>>
81%
29718
37%
**34
91%
Norma URP
<<locked>>
81%
38232
48%
**92
98%
Ramshot Big Game
<<locked>>
81%
51285
64%
**15
100%
[Ramshot Grand]*
<<locked>>
89%
35955
45%
**72
90%
Ramshot Hunter
<<locked>>
81%
37072
46%
**75
96%
[Ramshot Magnum]*
<<locked>>
89%
31183
39%
**38
90%
Ramshot TAC
<<locked>>
81%
58378
73%
**84
100%
Ramshot Wild Boar
<<locked>>
81%
58682
73%
**90
100%
Ramshot X-Terminator
<<locked>>
81%
62787
79%
**00
100%
ReloadSwiss RS 14
<<locked>>
81%
28369
36%
**37
100%
ReloadSwiss RS 40
<<locked>>
81%
65137
82%
**23
100%
ReloadSwiss RS 50
<<locked>>
81%
49182
62%
**40
99%
ReloadSwiss RS 52
<<locked>>
81%
55637
70%
**17
100%
ReloadSwiss RS 60
<<locked>>
81%
45397
57%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
38261
48%
**15
98%
ReloadSwiss RS 70
<<locked>>
81%
37275
47%
**25
97%
[ReloadSwiss RS 76]*
<<locked>>
91%
31386
39%
**00
90%
Rottweil R 901
<<locked>>
81%
59364
74%
**22
100%
Rottweil R 902
<<locked>>
81%
52156
65%
**53
100%
Rottweil R 903
<<locked>>
81%
45716
57%
**87
100%
[Rottweil R 904]*
<<locked>>
81%
34635
43%
**57
90%
[Rottweil R 905]*
<<locked>>
81%
31517
39%
**28
90%
Rottweil R 907
<<locked>>
81%
42728
53%
**15
96%
SNPE Vectan SP 11
<<locked>>
81%
46833
59%
**43
100%
SNPE Vectan SP 7
<<locked>>
81%
57232
72%
**54
100%
SNPE Vectan SP 9
<<locked>>
81%
54447
68%
**25
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
55666
70%
**30
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46992
59%
**92
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41017
51%
**46
96%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
31241
39%
**28
90%
Shooters World Long Rifle
<<locked>>
81%
41655
52%
**98
98%
Shooters World Match Rifle
<<locked>>
81%
56855
71%
**31
100%
Shooters World Precision
<<locked>>
81%
50372
63%
**36
100%
Shooters World SW4350
<<locked>>
81%
39784
50%
**75
96%
Somchem S321
<<locked>>
81%
64136
80%
**36
100%
Somchem S335
<<locked>>
81%
55521
69%
**30
100%
Somchem S341
<<locked>>
81%
57421
72%
**51
100%
Somchem S355
<<locked>>
81%
46064
58%
**87
100%
[Somchem S361]*
<<locked>>
83%
37014
46%
**90
90%
Somchem S365
<<locked>>
81%
34664
43%
**52
100%
[Somchem S385]*
<<locked>>
81%
32126
40%
**25
92%
Vihtavuori N130
<<locked>>
81%
62163
78%
**69
100%
Vihtavuori N133
<<locked>>
81%
56130
70%
**10
100%
Vihtavuori N135
<<locked>>
81%
50009
63%
**84
100%
Vihtavuori N140
<<locked>>
81%
52779
66%
**26
100%
Vihtavuori N150
<<locked>>
81%
43903
55%
**15
100%
Vihtavuori N160
<<locked>>
81%
39769
50%
**92
98%
[Vihtavuori N165]*
<<locked>>
84%
30255
38%
**65
90%
Vihtavuori N530
<<locked>>
81%
58755
74%
**44
100%
Vihtavuori N540
<<locked>>
81%
50966
64%
**20
100%
Vihtavuori N550
<<locked>>
81%
39363
49%
**98
98%
Vihtavuori N555
<<locked>>
81%
30095
38%
**31
96%
[Vihtavuori N560]*
<<locked>>
87%
37173
47%
**15
90%
[Vihtavuori N565]*
<<locked>>
93%
36027
45%
**85
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39175
49%
**69
100%
Winchester 748
<<locked>>
81%
59712
75%
**00
100%
Winchester 760
<<locked>>
81%
40930
51%
**48
96%
[Winchester StaBALL HD]*
<<locked>>
81%
24134
30%
**06
94%
Winchester StaBALL Match
<<locked>>
81%
54534
68%
**35
100%
[Winchester Supreme 780]*
<<locked>>
83%
32024
40%
**15
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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