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Load data for 7 mm Backcountry + .284 | 174gr | Prvi Partizan PSP BT

Recommended Powder(s):

7 mm Backcountry + .284 | 174gr | Prvi Partizan PSP BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 174gr | Prvi Partizan PSP BT
Manufacturer SKU:
B-404
Bullet Weight:
174gr | 11.3g
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_B9126_C991
Last updated:
2026-07-16

Load data for 256 loads in caliber 7 mm Backcountry with .284 | 174gr | Prvi Partizan PSP BT bullet and 128 powder(s). 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%
71547
90%
**95
101%
ADI AR 2206H
<<locked>>
86%
70967
89%
**28
100%
ADI AR 2208
<<locked>>
92%
71243
89%
**22
100%
ADI AR 2209
<<locked>>
97%
60031
75%
**99
100%
ADI AR 2213
<<locked>>
97%
54215
68%
**53
98%
[ADI AR 2217]*
<<locked>>
97%
39479
49%
**74
94%
ADI AR 2225
<<locked>>
97%
35244
44%
**34
96%
ADI Benchmark 8208
<<locked>>
85%
71228
89%
**92
100%
Accurate 2015
<<locked>>
84%
71301
89%
**90
100%
Accurate 2495
<<locked>>
87%
71040
89%
**20
100%
Accurate 2700
<<locked>>
89%
71417
89%
**15
100%
Accurate 3100
<<locked>>
97%
54201
68%
**67
100%
Accurate 4064
<<locked>>
89%
71417
89%
**72
100%
Accurate 4350
<<locked>>
96%
70880
89%
**77
100%
Accurate MAGPRO
<<locked>>
97%
56159
70%
**12
98%
Alliant AR-Comp
<<locked>>
84%
71634
90%
**13
100%
Alliant Power Pro 2000-MR
<<locked>>
87%
71692
90%
**49
100%
Alliant Reloder- TS 15.5
<<locked>>
91%
71228
89%
**28
100%
Alliant Reloder-15
<<locked>>
89%
71054
89%
**44
100%
Alliant Reloder-16
<<locked>>
97%
68734
86%
**00
100%
Alliant Reloder-17
<<locked>>
93%
71605
90%
**27
100%
Alliant Reloder-19
<<locked>>
97%
59799
75%
**92
100%
Alliant Reloder-22
<<locked>>
97%
53824
67%
**49
99%
Alliant Reloder-23
<<locked>>
97%
50778
64%
**71
100%
Alliant Reloder-25
<<locked>>
97%
43888
55%
**18
100%
Alliant Reloder-26 👍
<<locked>>
97%
58914
74%
**61
100%
Baschieri & Pellagri 107
<<locked>>
86%
71199
89%
**51
100%
Baschieri & Pellagri 109
<<locked>>
97%
53461
67%
**64
95%
Bofors RP15
<<locked>>
97%
49226
62%
**71
98%
Bofors RP3
<<locked>>
90%
71866
90%
**38
100%
Bofors RP30
<<locked>>
97%
40451
51%
**49
96%
Bofors RP5
<<locked>>
97%
53824
67%
**49
99%
Bofors RP7 👍
<<locked>>
95%
71533
90%
**58
100%
Hodgdon BL-C2
<<locked>>
84%
71141
89%
**15
100%
Hodgdon Benchmark
<<locked>>
85%
71895
90%
**59
100%
Hodgdon H1000
<<locked>>
97%
43366
54%
**52
96%
Hodgdon H380
<<locked>>
90%
71663
90%
**54
100%
Hodgdon H414
<<locked>>
95%
71257
89%
**20
100%
Hodgdon H4350 👍
<<locked>>
94%
71257
89%
**87
100%
Hodgdon H4831
<<locked>>
97%
58117
73%
**46
98%
Hodgdon H4831 SC
<<locked>>
97%
56913
71%
**33
98%
Hodgdon H4895
<<locked>>
86%
71823
90%
**35
100%
Hodgdon Hybrid 100V
<<locked>>
97%
65093
81%
**72
100%
Hodgdon LEVERevolution
<<locked>>
87%
70706
88%
**51
100%
Hodgdon Retumbo
<<locked>>
97%
43381
54%
**61
98%
Hodgdon Superformance 👍
<<locked>>
94%
70488
88%
**43
100%
Hodgdon TrailBoss
<<locked>>
96%
35056
44%
**17
100%
Hodgdon VARGET
<<locked>>
87%
70938
89%
**12
100%
IMR 3031
<<locked>>
85%
71910
90%
**82
100%
IMR 4064
<<locked>>
90%
71518
89%
**12
100%
IMR 4166 Enduron
<<locked>>
88%
71591
90%
**28
100%
IMR 4350
<<locked>>
97%
67805
85%
**31
100%
IMR 4451 Enduron
<<locked>>
94%
71852
90%
**61
100%
IMR 4831
<<locked>>
97%
68298
85%
**41
100%
IMR 4895
<<locked>>
88%
71779
90%
**64
100%
IMR 4955 Enduron
<<locked>>
97%
58987
74%
**33
98%
IMR 7828 SSC
<<locked>>
97%
52040
65%
**23
98%
IMR 8208 XBR
<<locked>>
85%
71228
89%
**92
100%
Lovex D073.6
<<locked>>
85%
71620
90%
**89
100%
Lovex S060
<<locked>>
87%
71373
89%
**79
100%
Lovex S062
<<locked>>
89%
70822
89%
**95
100%
Lovex S065
<<locked>>
96%
71562
90%
**44
100%
Lovex S070
<<locked>>
97%
70575
88%
**61
100%
Lovex S071
<<locked>>
97%
45165
57%
**33
99%
Norma 201
<<locked>>
87%
71692
90%
**95
100%
Norma 202
<<locked>>
87%
71620
90%
**72
100%
Norma 203B
<<locked>>
89%
71359
89%
**48
100%
Norma 204 👍
<<locked>>
97%
71170
89%
**13
100%
[Norma 217]*
<<locked>>
97%
31314
39%
**62
94%
Norma MRP
<<locked>>
97%
56971
71%
**25
100%
Norma URP
<<locked>>
97%
69778
87%
**71
100%
Ramshot Big Game
<<locked>>
88%
71518
89%
**54
100%
Ramshot Grand
<<locked>>
97%
52272
65%
**46
98%
Ramshot Hunter
<<locked>>
97%
69560
87%
**04
100%
Ramshot Magnum
<<locked>>
97%
46166
58%
**18
99%
Ramshot TAC
<<locked>>
85%
71446
89%
**41
100%
Ramshot Wild Boar
<<locked>>
84%
70996
89%
**31
100%
ReloadSwiss RS 14
<<locked>>
96%
35607
45%
**50
100%
ReloadSwiss RS 50
<<locked>>
90%
71910
90%
**51
100%
ReloadSwiss RS 52
<<locked>>
86%
71576
90%
**04
100%
ReloadSwiss RS 60
<<locked>>
91%
71330
89%
**10
100%
ReloadSwiss RS 62
<<locked>>
96%
71228
89%
**04
100%
ReloadSwiss RS 70
<<locked>>
96%
70793
89%
**53
100%
ReloadSwiss RS 76
<<locked>>
97%
42656
53%
**41
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38711
48%
**36
93%
Rottweil R 901
<<locked>>
85%
71881
90%
**56
100%
Rottweil R 902
<<locked>>
89%
71823
90%
**85
100%
Rottweil R 903
<<locked>>
92%
71112
89%
**22
100%
Rottweil R 904
<<locked>>
97%
61743
77%
**69
99%
Rottweil R 905
<<locked>>
97%
59741
75%
**85
100%
Rottweil R 907
<<locked>>
95%
71533
90%
**58
100%
SNPE Vectan SP 11
<<locked>>
91%
71040
89%
**61
100%
SNPE Vectan SP 7
<<locked>>
85%
70735
89%
**18
100%
SNPE Vectan SP 9
<<locked>>
87%
71533
90%
**31
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
71460
89%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
92%
71707
90%
**94
100%
SNPE Vectan Tubal 7000
<<locked>>
96%
71591
90%
**05
100%
SNPE Vectan Tubal 8000
<<locked>>
97%
59263
74%
**85
100%
Shooters World Long Rifle
<<locked>>
96%
71562
90%
**44
100%
Shooters World Match Rifle
<<locked>>
85%
71620
90%
**89
100%
Shooters World Precision
<<locked>>
89%
70822
89%
**95
100%
Shooters World SW4350
<<locked>>
97%
70575
88%
**61
100%
Somchem S335
<<locked>>
87%
71547
90%
**03
100%
Somchem S341
<<locked>>
85%
71315
89%
**05
100%
Somchem S355
<<locked>>
92%
71330
89%
**22
100%
Somchem S361
<<locked>>
97%
64513
81%
**76
99%
Somchem S365
<<locked>>
97%
65731
82%
**28
100%
Somchem S385
<<locked>>
97%
59756
75%
**59
100%
Vihtavuori N130
<<locked>>
83%
70851
89%
**54
100%
Vihtavuori N133
<<locked>>
86%
70953
89%
**71
100%
Vihtavuori N135
<<locked>>
90%
71924
90%
**26
100%
Vihtavuori N140
<<locked>>
88%
71518
89%
**36
100%
Vihtavuori N150
<<locked>>
93%
71156
89%
**76
100%
Vihtavuori N160
<<locked>>
96%
71910
90%
**61
100%
Vihtavuori N165
<<locked>>
97%
51837
65%
**31
99%
Vihtavuori N530
<<locked>>
85%
71446
89%
**85
100%
Vihtavuori N540
<<locked>>
89%
71895
90%
**72
100%
Vihtavuori N550
<<locked>>
96%
71025
89%
**71
100%
Vihtavuori N555
<<locked>>
97%
56855
71%
**46
100%
Vihtavuori N560
<<locked>>
97%
57130
71%
**22
98%
Vihtavuori N565
<<locked>>
97%
46253
58%
**31
96%
[Vihtavuori N568]*
<<locked>>
97%
39813
50%
**39
92%
Winchester 6.5 StaBALL
<<locked>>
96%
70808
89%
**05
100%
Winchester 748
<<locked>>
84%
71475
89%
**18
100%
Winchester 760
<<locked>>
95%
71257
89%
**20
100%
Winchester StaBALL HD
<<locked>>
97%
47108
59%
**49
100%
Winchester StaBALL Match
<<locked>>
87%
71678
90%
**28
100%
Winchester Supreme 780
<<locked>>
97%
56246
70%
**07
99%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI APS 450
<<locked>>
81%
60176
75%
**54
101%
ADI AR 2206H
<<locked>>
81%
60698
76%
**13
100%
ADI AR 2208
<<locked>>
81%
51706
65%
**82
100%
ADI AR 2209
<<locked>>
81%
36289
45%
**82
95%
[ADI AR 2213]*
<<locked>>
81%
32300
40%
**00
90%
[ADI AR 2217]*
<<locked>>
90%
32285
40%
**97
90%
[ADI AR 2225]*
<<locked>>
88%
26585
33%
**78
90%
ADI Benchmark 8208
<<locked>>
81%
62801
79%
**00
100%
Accurate 2015
<<locked>>
81%
64817
81%
**25
100%
Accurate 2495
<<locked>>
81%
58233
73%
**79
100%
Accurate 2700
<<locked>>
81%
55506
69%
**18
100%
Accurate 3100
<<locked>>
81%
31705
40%
**60
96%
Accurate 4064
<<locked>>
81%
55143
69%
**89
100%
Accurate 4350
<<locked>>
81%
42931
54%
**03
100%
[Accurate MAGPRO]*
<<locked>>
82%
33953
42%
**82
90%
Alliant AR-Comp
<<locked>>
81%
65949
83%
**57
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
58450
73%
**95
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
52518
66%
**02
100%
Alliant Reloder-15
<<locked>>
81%
56086
70%
**67
100%
Alliant Reloder-16
<<locked>>
81%
41394
52%
**03
100%
Alliant Reloder-17
<<locked>>
81%
47529
59%
**28
100%
Alliant Reloder-19
<<locked>>
81%
35984
45%
**72
95%
[Alliant Reloder-22]*
<<locked>>
81%
31836
40%
**16
93%
Alliant Reloder-23
<<locked>>
81%
30516
38%
**87
99%
[Alliant Reloder-25]*
<<locked>>
81%
26977
34%
**95
94%
Alliant Reloder-26
<<locked>>
81%
32880
41%
**05
98%
Baschieri & Pellagri 107
<<locked>>
81%
60771
76%
**33
100%
[Baschieri & Pellagri 109]*
<<locked>>
87%
39856
50%
**08
90%
[Bofors RP15]*
<<locked>>
81%
29776
37%
**54
91%
Bofors RP3
<<locked>>
81%
53403
67%
**15
100%
[Bofors RP30]*
<<locked>>
87%
29544
37%
**80
90%
[Bofors RP5]*
<<locked>>
81%
31836
40%
**16
93%
Bofors RP7
<<locked>>
81%
46398
58%
**03
98%
Hodgdon BL-C2
<<locked>>
81%
63672
80%
**36
100%
Hodgdon Benchmark
<<locked>>
81%
63570
80%
**67
100%
[Hodgdon H1000]*
<<locked>>
86%
30545
38%
**51
90%
Hodgdon H380
<<locked>>
81%
53432
67%
**28
100%
Hodgdon H414
<<locked>>
81%
45078
56%
**52
99%
Hodgdon H4350
<<locked>>
81%
47834
60%
**62
98%
[Hodgdon H4831]*
<<locked>>
81%
34345
43%
**20
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
33837
42%
**06
91%
Hodgdon H4895
<<locked>>
81%
61424
77%
**13
100%
Hodgdon Hybrid 100V
<<locked>>
81%
39044
49%
**05
100%
Hodgdon LEVERevolution
<<locked>>
81%
58421
73%
**10
100%
[Hodgdon Retumbo]*
<<locked>>
84%
28935
36%
**77
90%
Hodgdon Superformance
<<locked>>
81%
43918
55%
**69
98%
Hodgdon TrailBoss
<<locked>>
81%
28079
35%
**80
100%
Hodgdon VARGET
<<locked>>
81%
58595
73%
**67
100%
IMR 3031
<<locked>>
81%
62932
79%
**90
100%
IMR 4064
<<locked>>
81%
54491
68%
**12
100%
IMR 4166 Enduron
<<locked>>
81%
56521
71%
**44
100%
IMR 4350
<<locked>>
81%
42061
53%
**44
98%
IMR 4451 Enduron
<<locked>>
81%
47688
60%
**33
99%
IMR 4831
<<locked>>
81%
40988
51%
**51
100%
IMR 4895
<<locked>>
81%
57493
72%
**94
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36448
46%
**33
93%
[IMR 7828 SSC]*
<<locked>>
82%
31473
39%
**90
90%
IMR 8208 XBR
<<locked>>
81%
62801
79%
**00
100%
Lovex D073.6
<<locked>>
81%
61902
77%
**84
100%
Lovex S060
<<locked>>
81%
59205
74%
**35
100%
Lovex S062
<<locked>>
81%
54940
69%
**05
100%
Lovex S065
<<locked>>
81%
45194
57%
**84
99%
Lovex S070
<<locked>>
81%
43584
55%
**74
99%
[Lovex S071]*
<<locked>>
81%
27340
34%
**46
94%
Norma 201
<<locked>>
81%
59205
74%
**54
100%
Norma 202
<<locked>>
81%
60162
75%
**44
100%
Norma 203B
<<locked>>
81%
55303
69%
**51
100%
Norma 204
<<locked>>
81%
41756
52%
**77
96%
[Norma 217]*
<<locked>>
92%
27021
34%
**34
90%
Norma MRP
<<locked>>
81%
33069
41%
**72
95%
Norma URP
<<locked>>
81%
42453
53%
**93
100%
Ramshot Big Game
<<locked>>
81%
56130
70%
**77
100%
[Ramshot Grand]*
<<locked>>
82%
31140
39%
**93
90%
Ramshot Hunter
<<locked>>
81%
41263
52%
**90
99%
[Ramshot Magnum]*
<<locked>>
82%
27195
34%
**78
90%
Ramshot TAC
<<locked>>
81%
62990
79%
**40
100%
Ramshot Wild Boar
<<locked>>
81%
63686
80%
**49
100%
ReloadSwiss RS 14
<<locked>>
81%
28660
36%
**19
100%
ReloadSwiss RS 50
<<locked>>
81%
53388
67%
**21
100%
ReloadSwiss RS 52
<<locked>>
81%
61656
77%
**89
100%
ReloadSwiss RS 60
<<locked>>
81%
50430
63%
**67
100%
ReloadSwiss RS 62
<<locked>>
81%
42699
53%
**16
100%
ReloadSwiss RS 70
<<locked>>
81%
41263
52%
**36
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
27093
34%
**24
90%
[ReloadSwiss RS 80]*
<<locked>>
94%
34418
43%
**25
90%
Rottweil R 901
<<locked>>
81%
63599
80%
**64
100%
Rottweil R 902
<<locked>>
81%
56666
71%
**08
100%
Rottweil R 903
<<locked>>
81%
50241
63%
**69
100%
[Rottweil R 904]*
<<locked>>
81%
37652
47%
**62
94%
Rottweil R 905
<<locked>>
81%
35230
44%
**59
95%
Rottweil R 907
<<locked>>
81%
46398
58%
**03
98%
SNPE Vectan SP 11
<<locked>>
81%
51619
65%
**21
100%
SNPE Vectan SP 7
<<locked>>
81%
62294
78%
**26
100%
SNPE Vectan SP 9
<<locked>>
81%
59393
74%
**87
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
59959
75%
**75
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50865
64%
**61
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44498
56%
**38
99%
[SNPE Vectan Tubal 8000]*
<<locked>>
81%
34911
44%
**52
94%
Shooters World Long Rifle
<<locked>>
81%
45194
57%
**84
99%
Shooters World Match Rifle
<<locked>>
81%
61902
77%
**84
100%
Shooters World Precision
<<locked>>
81%
54940
69%
**05
100%
Shooters World SW4350
<<locked>>
81%
43584
55%
**74
99%
Somchem S335
<<locked>>
81%
59350
74%
**75
100%
Somchem S341
<<locked>>
81%
61830
77%
**00
100%
Somchem S355
<<locked>>
81%
50053
63%
**62
100%
[Somchem S361]*
<<locked>>
81%
38174
48%
**56
93%
Somchem S365
<<locked>>
81%
39175
49%
**54
100%
Somchem S385
<<locked>>
81%
35810
45%
**49
96%
Vihtavuori N130
<<locked>>
81%
66601
83%
**12
100%
Vihtavuori N133
<<locked>>
81%
60452
76%
**62
100%
Vihtavuori N135
<<locked>>
81%
54592
68%
**39
100%
Vihtavuori N140
<<locked>>
81%
57217
72%
**85
100%
Vihtavuori N150
<<locked>>
81%
48138
60%
**97
100%
Vihtavuori N160
<<locked>>
81%
43888
55%
**90
100%
[Vihtavuori N165]*
<<locked>>
81%
30908
39%
**31
93%
Vihtavuori N530
<<locked>>
81%
63672
80%
**03
100%
Vihtavuori N540
<<locked>>
81%
55114
69%
**82
100%
Vihtavuori N550
<<locked>>
81%
43236
54%
**93
100%
Vihtavuori N555
<<locked>>
81%
34214
43%
**62
99%
[Vihtavuori N560]*
<<locked>>
81%
33475
42%
**59
91%
[Vihtavuori N565]*
<<locked>>
85%
30893
39%
**00
90%
[Vihtavuori N568]*
<<locked>>
93%
35621
45%
**38
90%
Winchester 6.5 StaBALL
<<locked>>
81%
42757
53%
**54
100%
Winchester 748
<<locked>>
81%
65093
81%
**53
100%
Winchester 760
<<locked>>
81%
45078
56%
**52
99%
Winchester StaBALL HD
<<locked>>
81%
25077
31%
**93
99%
Winchester StaBALL Match
<<locked>>
81%
59379
74%
**87
100%
[Winchester Supreme 780]*
<<locked>>
81%
32547
41%
**70
93%

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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