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Load data for .280 Ackley Improved + .284 | 140gr | Remington PSP

Recommended Powder(s): Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.280 Ackley Improved + .284 | 140gr | Remington PSP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Remington PSP
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.000" | 25.4mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.260" | 6.6mm
Shank Seated Depth:
0.260" | 6.6mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5156_C285
Last updated:
2025-01-01

Load data for 164 loads in caliber .280 Ackley Improved with .284 | 140gr | Remington PSP bullet and 82 powders such as Alliant Reloder-16, Hodgdon Superperformance, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70. 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".

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  • .

    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.

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 2208
<<locked>>
87%
57624
89%
**63
100%
ADI AR 2209
<<locked>>
97%
54737
84%
**09
97%
[ADI AR 2213]*
<<locked>>
97%
48718
75%
**23
94%
Accurate 2700
<<locked>>
88%
58131
89%
**27
99%
Accurate 3100
<<locked>>
97%
47848
74%
**48
98%
Accurate 4064
<<locked>>
86%
57696
89%
**40
100%
Accurate 4350
<<locked>>
93%
57609
89%
**25
100%
Alliant Reloder- TS 15.5
<<locked>>
87%
57943
89%
**89
100%
Alliant Reloder-15
<<locked>>
85%
57725
89%
**02
100%
Alliant Reloder-16 👍
<<locked>>
95%
57769
89%
**81
100%
Alliant Reloder-17
<<locked>>
90%
58015
89%
**91
100%
Alliant Reloder-19
<<locked>>
97%
53940
83%
**95
97%
Alliant Reloder-22
<<locked>>
97%
47732
73%
**23
96%
Alliant Reloder-23
<<locked>>
97%
45136
69%
**71
100%
Alliant Reloder-25
<<locked>>
97%
39668
61%
**76
97%
Alliant Reloder-26
<<locked>>
97%
51692
80%
**64
100%
Hodgdon CFE223
<<locked>>
85%
58392
90%
**35
100%
Hodgdon H380
<<locked>>
87%
58233
90%
**99
100%
Hodgdon H414
<<locked>>
89%
57783
89%
**45
99%
Hodgdon H4350
<<locked>>
96%
58088
89%
**02
99%
[Hodgdon H4831]*
<<locked>>
97%
45121
69%
**99
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
51126
79%
**17
94%
Hodgdon Hybrid 100V
<<locked>>
97%
58465
90%
**09
100%
Hodgdon LVR
<<locked>>
92%
57943
89%
**38
100%
Hodgdon Superperformance 👍
<<locked>>
92%
58378
90%
**94
99%
Hodgdon VARGET
<<locked>>
88%
58059
89%
**76
100%
Hodgdon TrailBoss
<<locked>>
97%
34867
54%
**18
100%
IMR 3031
<<locked>>
84%
57769
89%
**53
100%
IMR 4064
<<locked>>
89%
58349
90%
**69
100%
IMR 4166 Enduron
<<locked>>
89%
58233
90%
**63
99%
IMR 4350
<<locked>>
94%
57986
89%
**99
99%
IMR 4451 Enduron
<<locked>>
90%
58378
90%
**86
99%
IMR 4831
<<locked>>
97%
54636
84%
**72
100%
IMR 4895
<<locked>>
84%
58334
90%
**18
100%
IMR 4955 Enduron
<<locked>>
97%
50792
78%
**67
95%
IMR 7828 SSC
<<locked>>
97%
50212
77%
**69
95%
Lovex S062
<<locked>>
86%
58233
90%
**56
100%
Lovex S065
<<locked>>
92%
57682
89%
**69
100%
Lovex S070
<<locked>>
93%
57508
89%
**92
99%
Lovex S071
<<locked>>
97%
39929
61%
**97
97%
Norma 203B
<<locked>>
85%
57841
89%
**92
100%
Norma 204
<<locked>>
94%
58204
90%
**45
98%
Norma MRP
<<locked>>
97%
50372
78%
**09
98%
Norma URP
<<locked>>
94%
58088
89%
**48
100%
Ramshot Big Game
<<locked>>
85%
58421
90%
**15
100%
Ramshot Hunter 👍
<<locked>>
94%
57740
89%
**54
100%
Ramshot Magnum
<<locked>>
97%
46340
71%
**74
96%
ReloadSwiss RS 14
<<locked>>
96%
35288
54%
**60
100%
ReloadSwiss RS 50
<<locked>>
87%
58378
90%
**89
99%
ReloadSwiss RS 52
<<locked>>
85%
57827
89%
**12
100%
ReloadSwiss RS 60
<<locked>>
91%
57827
89%
**07
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
58189
90%
**64
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
58233
90%
**17
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38058
59%
**69
94%
Rottweil R 902
<<locked>>
85%
57754
89%
**36
100%
Rottweil R 903
<<locked>>
89%
58146
89%
**86
100%
Rottweil R 904
<<locked>>
97%
55767
86%
**63
96%
Rottweil R 905
<<locked>>
97%
53185
82%
**79
97%
Rottweil R 907
<<locked>>
91%
57783
89%
**76
99%
SNPE Vectan SP 11
<<locked>>
88%
57551
89%
**15
100%
SNPE Vectan SP 9
<<locked>>
83%
58479
90%
**82
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
58349
90%
**54
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
58059
89%
**30
99%
Shooters World Long Rifle
<<locked>>
92%
57682
89%
**69
100%
Shooters World Precision
<<locked>>
86%
58233
90%
**56
100%
Somchem S355
<<locked>>
89%
58363
90%
**86
100%
Somchem S361
<<locked>>
97%
58349
90%
**66
96%
Somchem S365
<<locked>>
96%
58160
90%
**54
100%
Somchem S385
<<locked>>
97%
53606
83%
**59
98%
Vihtavuori N133
<<locked>>
85%
57943
89%
**41
100%
Vihtavuori N135
<<locked>>
90%
58015
89%
**90
100%
Vihtavuori N140
<<locked>>
85%
58131
89%
**04
100%
Vihtavuori N150
<<locked>>
94%
57943
89%
**30
100%
Vihtavuori N160
<<locked>>
91%
58030
89%
**95
100%
Vihtavuori N165
<<locked>>
97%
44933
69%
**85
96%
Vihtavuori N540
<<locked>>
85%
57899
89%
**33
100%
Vihtavuori N550
<<locked>>
91%
58233
90%
**45
100%
Vihtavuori N555
<<locked>>
97%
50314
77%
**46
100%
[Vihtavuori N560]*
<<locked>>
97%
48211
74%
**46
94%
Winchester 6.5 StaBALL
<<locked>>
93%
57638
89%
**69
100%
Winchester 760
<<locked>>
89%
57783
89%
**45
99%
Winchester StaBALL HD
<<locked>>
97%
39233
60%
**13
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47253
73%
**92
100%
[ADI AR 2209]*
<<locked>>
82%
34026
52%
**69
90%
[ADI AR 2213]*
<<locked>>
90%
38580
59%
**94
90%
Accurate 2700
<<locked>>
81%
45701
70%
**13
96%
[Accurate 3100]*
<<locked>>
81%
27833
43%
**88
91%
Accurate 4064
<<locked>>
81%
50183
77%
**25
100%
Accurate 4350
<<locked>>
81%
38058
59%
**71
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
47587
73%
**22
100%
Alliant Reloder-15
<<locked>>
81%
50952
78%
**90
100%
Alliant Reloder-16
<<locked>>
81%
37072
57%
**77
98%
Alliant Reloder-17
<<locked>>
81%
41974
65%
**08
100%
[Alliant Reloder-19]*
<<locked>>
82%
33373
51%
**52
90%
[Alliant Reloder-22]*
<<locked>>
86%
33185
51%
**89
90%
Alliant Reloder-23
<<locked>>
81%
27238
42%
**28
95%
[Alliant Reloder-25]*
<<locked>>
86%
27905
43%
**38
90%
[Alliant Reloder-26]*
<<locked>>
81%
28921
45%
**23
93%
Hodgdon CFE223
<<locked>>
81%
50241
77%
**13
100%
Hodgdon H380
<<locked>>
81%
48385
74%
**35
99%
Hodgdon H414
<<locked>>
81%
43511
67%
**95
97%
[Hodgdon H4350]*
<<locked>>
81%
36158
56%
**69
93%
[Hodgdon H4831]*
<<locked>>
92%
39218
60%
**71
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
39218
60%
**71
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34635
53%
**72
98%
Hodgdon LVR
<<locked>>
81%
40988
63%
**30
98%
Hodgdon Superperformance
<<locked>>
81%
39218
60%
**26
95%
Hodgdon VARGET
<<locked>>
81%
46978
72%
**89
100%
Hodgdon TrailBoss
<<locked>>
81%
27673
43%
**63
100%
IMR 3031
<<locked>>
81%
52344
81%
**71
100%
IMR 4064
<<locked>>
81%
46412
71%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
45803
70%
**43
97%
[IMR 4350]*
<<locked>>
81%
37753
58%
**08
94%
IMR 4451 Enduron
<<locked>>
81%
43859
67%
**23
96%
IMR 4831
<<locked>>
81%
33373
51%
**43
96%
IMR 4895
<<locked>>
81%
52330
81%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
87%
37985
58%
**12
90%
[IMR 7828 SSC]*
<<locked>>
89%
38319
59%
**00
90%
Lovex S062
<<locked>>
81%
50024
77%
**35
100%
Lovex S065
<<locked>>
81%
41307
64%
**80
97%
Lovex S070
<<locked>>
81%
39392
61%
**51
95%
[Lovex S071]*
<<locked>>
85%
26934
41%
**62
90%
Norma 203B
<<locked>>
81%
50444
78%
**81
100%
[Norma 204]*
<<locked>>
81%
37275
57%
**31
92%
[Norma MRP]*
<<locked>>
82%
30414
47%
**33
90%
Norma URP
<<locked>>
81%
37782
58%
**64
97%
Ramshot Big Game
<<locked>>
81%
50792
78%
**97
100%
Ramshot Hunter
<<locked>>
81%
36869
57%
**54
95%
[Ramshot Magnum]*
<<locked>>
88%
32953
51%
**56
90%
ReloadSwiss RS 14
<<locked>>
81%
28137
43%
**03
100%
ReloadSwiss RS 50
<<locked>>
81%
48631
75%
**31
98%
ReloadSwiss RS 52
<<locked>>
81%
50198
77%
**87
100%
ReloadSwiss RS 60
<<locked>>
81%
40727
63%
**08
100%
ReloadSwiss RS 62
<<locked>>
81%
37797
58%
**87
97%
ReloadSwiss RS 70
<<locked>>
81%
36883
57%
**94
96%
[ReloadSwiss RS 76]*
<<locked>>
92%
32663
50%
**05
90%
Rottweil R 902
<<locked>>
81%
51895
80%
**44
100%
Rottweil R 903
<<locked>>
81%
45237
70%
**76
100%
[Rottweil R 904]*
<<locked>>
83%
36593
56%
**89
90%
[Rottweil R 905]*
<<locked>>
82%
32692
50%
**36
90%
Rottweil R 907
<<locked>>
81%
42366
65%
**94
96%
SNPE Vectan SP 11
<<locked>>
81%
46340
71%
**25
100%
SNPE Vectan SP 9
<<locked>>
81%
54070
83%
**13
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46833
72%
**87
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40538
62%
**18
96%
Shooters World Long Rifle
<<locked>>
81%
41307
64%
**80
97%
Shooters World Precision
<<locked>>
81%
50024
77%
**35
100%
Somchem S355
<<locked>>
81%
45687
70%
**82
100%
[Somchem S361]*
<<locked>>
85%
38696
60%
**02
90%
Somchem S365
<<locked>>
81%
34185
53%
**25
99%
[Somchem S385]*
<<locked>>
81%
31865
49%
**90
91%
Vihtavuori N133
<<locked>>
81%
52054
80%
**59
100%
Vihtavuori N135
<<locked>>
81%
44193
68%
**84
100%
Vihtavuori N140
<<locked>>
81%
51343
79%
**08
100%
Vihtavuori N150
<<locked>>
81%
39117
60%
**21
100%
Vihtavuori N160
<<locked>>
81%
41031
63%
**07
98%
[Vihtavuori N165]*
<<locked>>
86%
31227
48%
**70
90%
Vihtavuori N540
<<locked>>
81%
51387
79%
**41
100%
Vihtavuori N550
<<locked>>
81%
41394
64%
**46
98%
Vihtavuori N555
<<locked>>
81%
29733
46%
**00
95%
[Vihtavuori N560]*
<<locked>>
90%
38885
60%
**43
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38725
60%
**41
99%
Winchester 760
<<locked>>
81%
43511
67%
**95
97%
[Winchester StaBALL HD]*
<<locked>>
81%
24018
37%
**69
92%

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.

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