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Load data for .284 Win. + .284 | 140gr | Sierra SPT Pro-Hunter

Recommended Powder(s): Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, SNPE Vectan SP 11, Vihtavuori N550

.284 Win. + .284 | 140gr | Sierra SPT Pro-Hunter

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Sierra SPT Pro-Hunter
Manufacturer SKU:
1910
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
.284 Win. load data
Case Length (l3):
2.170" | 55.1mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
66.0 Grains of Water | 4.29 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
63817 psi | 4400 bar
LID:
LID_B5840_C293
Last updated:
2026-01-30

Load data for 204 loads in caliber .284 Win. with .284 | 140gr | Sierra SPT Pro-Hunter bullet and 102 powders such as Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, SNPE Vectan SP 11, Vihtavuori N550. 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 AR 2206H
<<locked>>
87%
56449
88%
**90
100%
ADI AR 2208
<<locked>>
92%
56710
89%
**77
100%
[ADI AR 2209]*
<<locked>>
97%
44962
70%
**40
93%
Accurate 2015
<<locked>>
83%
57319
90%
**85
100%
Accurate 2200
<<locked>>
85%
56985
89%
**61
100%
Accurate 2495
<<locked>>
86%
57072
89%
**41
100%
Accurate 2520
<<locked>>
85%
56246
88%
**64
100%
Accurate 2700
<<locked>>
93%
57058
89%
**22
97%
[Accurate 3100]*
<<locked>>
97%
37130
58%
**79
94%
Accurate 4064
<<locked>>
91%
56449
88%
**67
100%
Accurate 4350
<<locked>>
97%
51866
81%
**81
99%
Alliant AR-Comp
<<locked>>
85%
56971
89%
**25
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
56884
89%
**18
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
56913
89%
**04
100%
Alliant Reloder-15
<<locked>>
90%
57159
90%
**20
100%
Alliant Reloder-16
<<locked>>
97%
49951
78%
**87
99%
Alliant Reloder-17 👍
<<locked>>
96%
57319
90%
**15
100%
[Alliant Reloder-19]*
<<locked>>
97%
43598
68%
**26
93%
Alliant Reloder-23
<<locked>>
96%
35665
56%
**12
98%
Alliant Reloder-26
<<locked>>
97%
39639
62%
**59
97%
Baschieri & Pellagri 107
<<locked>>
87%
56434
88%
**04
100%
Bofors RP3
<<locked>>
92%
56695
89%
**07
100%
Bofors RP7
<<locked>>
96%
56681
89%
**74
97%
Hodgdon BL-C2
<<locked>>
85%
57101
89%
**10
100%
Hodgdon Benchmark
<<locked>>
85%
56898
89%
**18
100%
Hodgdon CFE223 👍
<<locked>>
91%
57246
90%
**59
100%
Hodgdon H322
<<locked>>
83%
56492
89%
**41
100%
Hodgdon H380
<<locked>>
91%
56492
89%
**00
99%
Hodgdon H414
<<locked>>
95%
56710
89%
**59
98%
Hodgdon H4350
<<locked>>
96%
48443
76%
**59
96%
Hodgdon H4895
<<locked>>
87%
56985
89%
**04
100%
Hodgdon Hybrid 100V
<<locked>>
97%
46514
73%
**62
100%
Hodgdon LVR
<<locked>>
97%
55970
88%
**30
99%
Hodgdon Superperformance
<<locked>>
97%
55622
87%
**69
98%
Hodgdon VARGET
<<locked>>
93%
57406
90%
**87
100%
Hodgdon TrailBoss
<<locked>>
97%
34127
53%
**26
100%
IMR 3031
<<locked>>
90%
57029
89%
**77
100%
IMR 4064
<<locked>>
93%
57290
90%
**71
100%
IMR 4166 Enduron
<<locked>>
94%
57087
89%
**51
98%
IMR 4350
<<locked>>
97%
51895
81%
**22
97%
IMR 4451 Enduron
<<locked>>
95%
57421
90%
**90
98%
IMR 4831
<<locked>>
97%
44150
69%
**33
98%
IMR 4895
<<locked>>
89%
56681
89%
**23
100%
IMR 8208 XBR
<<locked>>
86%
56840
89%
**64
100%
Lovex D073.6
<<locked>>
87%
56246
88%
**64
100%
Lovex S060
<<locked>>
87%
56565
89%
**28
100%
Lovex S062
<<locked>>
91%
56753
89%
**67
100%
Lovex S065
<<locked>>
96%
55492
87%
**58
99%
Lovex S070
<<locked>>
97%
53621
84%
**51
98%
[Lovex S071]*
<<locked>>
97%
31212
49%
**44
92%
Norma 201
<<locked>>
88%
56405
88%
**51
100%
Norma 202
<<locked>>
88%
57217
90%
**54
100%
Norma 203B
<<locked>>
90%
56304
88%
**07
100%
Norma 204
<<locked>>
97%
52011
81%
**54
95%
[Norma MRP]*
<<locked>>
97%
39682
62%
**20
93%
Norma URP
<<locked>>
97%
51561
81%
**77
99%
Ramshot Big Game 👍
<<locked>>
90%
57058
89%
**30
100%
Ramshot Hunter
<<locked>>
97%
50198
79%
**64
98%
Ramshot TAC
<<locked>>
85%
56768
89%
**74
99%
Ramshot Wild Boar
<<locked>>
85%
56159
88%
**87
100%
Ramshot X-Terminator
<<locked>>
83%
57130
90%
**51
100%
ReloadSwiss RS 14
<<locked>>
97%
34534
54%
**62
100%
ReloadSwiss RS 50
<<locked>>
92%
57203
90%
**94
99%
ReloadSwiss RS 52
<<locked>>
88%
56652
89%
**69
100%
ReloadSwiss RS 60
<<locked>>
94%
56463
88%
**09
100%
ReloadSwiss RS 62
<<locked>>
97%
51692
81%
**00
99%
ReloadSwiss RS 70
<<locked>>
97%
51532
81%
**33
99%
Rottweil R 901
<<locked>>
85%
56840
89%
**25
100%
Rottweil R 902
<<locked>>
89%
56797
89%
**44
100%
Rottweil R 903
<<locked>>
94%
56608
89%
**94
100%
[Rottweil R 904]*
<<locked>>
97%
46456
73%
**20
92%
[Rottweil R 905]*
<<locked>>
97%
42467
67%
**10
93%
Rottweil R 907
<<locked>>
96%
56681
89%
**74
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
57406
90%
**46
100%
SNPE Vectan SP 7
<<locked>>
86%
56985
89%
**81
99%
SNPE Vectan SP 9
<<locked>>
88%
56550
89%
**90
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57392
90%
**79
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
56666
89%
**69
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
56536
89%
**22
98%
Shooters World Long Rifle
<<locked>>
96%
55492
87%
**58
99%
Shooters World Match Rifle
<<locked>>
87%
56246
88%
**64
100%
Shooters World Precision
<<locked>>
91%
56753
89%
**67
100%
Somchem S321
<<locked>>
83%
57217
90%
**77
100%
Somchem S335
<<locked>>
88%
57392
90%
**89
100%
Somchem S341
<<locked>>
86%
56492
89%
**67
100%
Somchem S355
<<locked>>
94%
57043
89%
**97
100%
Somchem S365
<<locked>>
97%
46296
73%
**25
100%
[Somchem S385]*
<<locked>>
96%
42511
67%
**84
94%
Vihtavuori N130
<<locked>>
83%
56492
89%
**40
100%
Vihtavuori N133
<<locked>>
89%
57217
90%
**69
100%
Vihtavuori N135
<<locked>>
95%
56434
88%
**08
100%
Vihtavuori N140
<<locked>>
89%
56579
89%
**22
100%
Vihtavuori N150
<<locked>>
97%
53055
83%
**99
100%
Vihtavuori N160
<<locked>>
97%
57188
90%
**13
100%
Vihtavuori N530
<<locked>>
84%
57290
90%
**74
100%
Vihtavuori N540
<<locked>>
90%
56623
89%
**54
100%
Vihtavuori N550 👍
<<locked>>
97%
56913
89%
**59
100%
Vihtavuori N555
<<locked>>
97%
38957
61%
**94
98%
Winchester 6.5 StaBALL
<<locked>>
97%
53795
84%
**41
100%
Winchester 748
<<locked>>
83%
57101
89%
**00
100%
Winchester 760
<<locked>>
95%
56710
89%
**59
98%
Winchester StaBALL HD
<<locked>>
97%
32039
50%
**89
97%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47021
74%
**33
99%
ADI AR 2208
<<locked>>
81%
39987
63%
**85
98%
[ADI AR 2209]*
<<locked>>
92%
37985
60%
**89
90%
Accurate 2015
<<locked>>
81%
53084
83%
**26
100%
Accurate 2200
<<locked>>
81%
49110
77%
**40
99%
Accurate 2495
<<locked>>
81%
48704
76%
**33
100%
Accurate 2520
<<locked>>
81%
49327
77%
**62
100%
[Accurate 2700]*
<<locked>>
81%
38174
60%
**93
92%
[Accurate 3100]*
<<locked>>
90%
29109
46%
**82
90%
Accurate 4064
<<locked>>
81%
41060
64%
**21
100%
[Accurate 4350]*
<<locked>>
81%
30095
47%
**31
93%
Alliant AR-Comp
<<locked>>
81%
49705
78%
**23
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
42946
67%
**72
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
39842
62%
**12
99%
Alliant Reloder-15
<<locked>>
81%
42670
67%
**74
98%
[Alliant Reloder-16]*
<<locked>>
81%
30835
48%
**51
93%
Alliant Reloder-17
<<locked>>
81%
34345
54%
**75
97%
[Alliant Reloder-19]*
<<locked>>
91%
37086
58%
**75
90%
[Alliant Reloder-23]*
<<locked>>
83%
23946
38%
**47
90%
[Alliant Reloder-26]*
<<locked>>
87%
28834
45%
**57
90%
Baschieri & Pellagri 107
<<locked>>
81%
46253
72%
**36
99%
Bofors RP3
<<locked>>
81%
39262
62%
**08
99%
[Bofors RP7]*
<<locked>>
81%
35694
56%
**74
91%
Hodgdon BL-C2
<<locked>>
81%
49095
77%
**89
100%
Hodgdon Benchmark
<<locked>>
81%
51068
80%
**33
100%
Hodgdon CFE223
<<locked>>
81%
40886
64%
**77
97%
Hodgdon H322
<<locked>>
81%
52272
82%
**76
100%
Hodgdon H380
<<locked>>
81%
40118
63%
**15
97%
[Hodgdon H414]*
<<locked>>
81%
35389
55%
**56
92%
[Hodgdon H4350]*
<<locked>>
85%
33518
53%
**41
90%
Hodgdon H4895
<<locked>>
81%
47442
74%
**46
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28181
44%
**46
94%
[Hodgdon LVR]*
<<locked>>
81%
33373
52%
**93
94%
[Hodgdon Superperformance]*
<<locked>>
83%
34243
54%
**26
90%
Hodgdon VARGET
<<locked>>
81%
39682
62%
**79
98%
Hodgdon TrailBoss
<<locked>>
88%
30139
47%
**44
100%
IMR 3031
<<locked>>
81%
43294
68%
**71
100%
IMR 4064
<<locked>>
81%
39218
61%
**62
98%
[IMR 4166 Enduron]*
<<locked>>
81%
38841
61%
**23
93%
[IMR 4350]*
<<locked>>
83%
33373
52%
**41
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37057
58%
**10
93%
[IMR 4831]*
<<locked>>
81%
26614
42%
**10
91%
IMR 4895
<<locked>>
81%
43642
68%
**00
99%
IMR 8208 XBR
<<locked>>
81%
49153
77%
**43
100%
Lovex D073.6
<<locked>>
81%
46427
73%
**17
100%
Lovex S060
<<locked>>
81%
47123
74%
**77
99%
Lovex S062
<<locked>>
81%
42134
66%
**25
99%
[Lovex S065]*
<<locked>>
81%
34389
54%
**54
93%
[Lovex S070]*
<<locked>>
81%
32648
51%
**25
91%
[Lovex S071]*
<<locked>>
95%
28921
45%
**75
90%
Norma 201
<<locked>>
81%
46064
72%
**84
100%
Norma 202
<<locked>>
81%
46557
73%
**97
100%
Norma 203B
<<locked>>
81%
41901
66%
**61
99%
[Norma 204]*
<<locked>>
87%
37710
59%
**72
90%
[Norma MRP]*
<<locked>>
92%
33692
53%
**62
90%
[Norma URP]*
<<locked>>
81%
30647
48%
**41
93%
Ramshot Big Game
<<locked>>
81%
41553
65%
**67
98%
[Ramshot Hunter]*
<<locked>>
81%
30052
47%
**15
90%
Ramshot TAC
<<locked>>
81%
49139
77%
**49
98%
Ramshot Wild Boar
<<locked>>
81%
48646
76%
**66
99%
Ramshot X-Terminator
<<locked>>
81%
53084
83%
**95
100%
ReloadSwiss RS 14
<<locked>>
85%
29022
45%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
40524
64%
**92
95%
ReloadSwiss RS 52
<<locked>>
81%
44831
70%
**76
99%
ReloadSwiss RS 60
<<locked>>
81%
36535
57%
**48
100%
[ReloadSwiss RS 62]*
<<locked>>
81%
30197
47%
**44
93%
[ReloadSwiss RS 70]*
<<locked>>
81%
30153
47%
**38
91%
Rottweil R 901
<<locked>>
81%
50198
79%
**26
100%
Rottweil R 902
<<locked>>
81%
43700
68%
**38
100%
Rottweil R 903
<<locked>>
81%
37086
58%
**52
98%
[Rottweil R 904]*
<<locked>>
93%
40727
64%
**08
90%
[Rottweil R 905]*
<<locked>>
92%
36405
57%
**75
90%
[Rottweil R 907]*
<<locked>>
81%
35694
56%
**74
91%
SNPE Vectan SP 11
<<locked>>
81%
38043
60%
**05
98%
SNPE Vectan SP 7
<<locked>>
81%
47355
74%
**26
98%
SNPE Vectan SP 9
<<locked>>
81%
45310
71%
**03
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47514
74%
**38
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39465
62%
**03
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33605
53%
**98
91%
[Shooters World Long Rifle]*
<<locked>>
81%
34389
54%
**54
93%
Shooters World Match Rifle
<<locked>>
81%
46427
73%
**17
100%
Shooters World Precision
<<locked>>
81%
42134
66%
**25
99%
Somchem S321
<<locked>>
81%
53272
83%
**22
100%
Somchem S335
<<locked>>
81%
46905
74%
**41
100%
Somchem S341
<<locked>>
81%
47036
74%
**20
99%
Somchem S355
<<locked>>
81%
37797
59%
**56
98%
Somchem S365
<<locked>>
81%
27557
43%
**92
96%
[Somchem S385]*
<<locked>>
89%
33373
52%
**84
90%
Vihtavuori N130
<<locked>>
81%
52446
82%
**87
100%
Vihtavuori N133
<<locked>>
81%
44875
70%
**85
100%
Vihtavuori N135
<<locked>>
81%
36767
58%
**97
100%
Vihtavuori N140
<<locked>>
81%
43526
68%
**25
100%
Vihtavuori N150
<<locked>>
81%
32068
50%
**05
98%
Vihtavuori N160
<<locked>>
81%
33388
52%
**74
95%
Vihtavuori N530
<<locked>>
81%
52199
82%
**02
100%
Vihtavuori N540
<<locked>>
81%
42960
67%
**35
100%
Vihtavuori N550
<<locked>>
81%
33663
53%
**16
95%
[Vihtavuori N555]*
<<locked>>
82%
24439
38%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
31879
50%
**18
96%
Winchester 748
<<locked>>
81%
53113
83%
**48
100%
[Winchester 760]*
<<locked>>
81%
35389
55%
**56
92%
[Winchester StaBALL HD]*
<<locked>>
89%
25034
39%
**33
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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