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Load data for .280 Ackley Improved + .284 | 175gr | Remington PSP Core-Lokt

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905

.280 Ackley Improved + .284 | 175gr | Remington PSP Core-Lokt

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Remington PSP Core-Lokt
Bullet Weight:
175gr | 11.3g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.276" | 32.4mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.536" | 13.6mm
Shank Seated Depth:
0.536" | 13.6mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B5160_C285
Last updated:
2025-01-01

Load data for 148 loads in caliber .280 Ackley Improved with .284 | 175gr | Remington PSP Core-Lokt bullet and 74 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-26, Norma MRP, Rottweil R 905. 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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  • 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 2208
<<locked>>
85%
57899
89%
**57
100%
ADI AR 2209 👍
<<locked>>
95%
58392
90%
**62
99%
ADI AR 2213
<<locked>>
97%
54534
84%
**46
98%
ADI AR 2217
<<locked>>
97%
40277
62%
**80
95%
ADI AR 2225
<<locked>>
97%
35360
54%
**28
96%
Accurate 2700
<<locked>>
85%
57653
89%
**28
100%
Accurate 3100
<<locked>>
97%
54781
84%
**61
100%
Accurate 4350
<<locked>>
90%
58407
90%
**23
100%
Accurate MAGPRO
<<locked>>
97%
53853
83%
**53
97%
Alliant Reloder- TS 15.5
<<locked>>
84%
58001
89%
**64
100%
Alliant Reloder-16
<<locked>>
91%
58291
90%
**62
100%
Alliant Reloder-17
<<locked>>
86%
57696
89%
**56
100%
Alliant Reloder-19 👍
<<locked>>
95%
57580
89%
**49
99%
Alliant Reloder-22
<<locked>>
97%
54027
83%
**40
99%
Alliant Reloder-23
<<locked>>
97%
51474
79%
**74
100%
Alliant Reloder-25
<<locked>>
97%
44759
69%
**18
100%
Alliant Reloder-26 👍
<<locked>>
96%
58233
90%
**44
100%
Hodgdon H1000
<<locked>>
97%
40277
62%
**80
95%
Hodgdon H380
<<locked>>
83%
58117
89%
**87
100%
Hodgdon H414
<<locked>>
86%
57754
89%
**40
100%
Hodgdon H4350
<<locked>>
93%
58117
89%
**94
100%
Hodgdon H4831
<<locked>>
97%
50705
78%
**28
97%
Hodgdon H4831 SC
<<locked>>
97%
57101
88%
**23
98%
Hodgdon Hybrid 100V
<<locked>>
93%
58044
89%
**84
100%
Hodgdon LVR
<<locked>>
88%
57914
89%
**17
100%
Hodgdon Retumbo
<<locked>>
97%
35360
54%
**28
96%
Hodgdon Superperformance
<<locked>>
88%
57986
89%
**76
100%
Hodgdon VARGET
<<locked>>
85%
58378
90%
**61
100%
IMR 4064
<<locked>>
85%
58117
89%
**44
100%
IMR 4166 Enduron
<<locked>>
86%
58363
90%
**61
100%
IMR 4350
<<locked>>
91%
58262
90%
**00
100%
IMR 4451 Enduron
<<locked>>
87%
58247
90%
**77
100%
IMR 4831
<<locked>>
95%
57899
89%
**07
100%
IMR 4955 Enduron
<<locked>>
97%
56043
86%
**74
98%
IMR 7828 SSC
<<locked>>
97%
56652
87%
**89
99%
Lovex S065
<<locked>>
89%
58044
89%
**67
100%
Lovex S070
<<locked>>
90%
58465
90%
**97
100%
Lovex S071
<<locked>>
97%
45266
70%
**23
99%
Norma 204
<<locked>>
91%
58363
90%
**40
99%
[Norma 217]*
<<locked>>
97%
31285
48%
**59
94%
Norma MRP 👍
<<locked>>
97%
57392
88%
**18
100%
Norma URP
<<locked>>
90%
57479
88%
**20
100%
Ramshot Hunter
<<locked>>
91%
57508
88%
**40
100%
Ramshot Magnum
<<locked>>
97%
52301
80%
**07
99%
ReloadSwiss RS 50
<<locked>>
83%
57754
89%
**74
100%
ReloadSwiss RS 60
<<locked>>
88%
58479
90%
**85
100%
ReloadSwiss RS 62
<<locked>>
90%
58320
90%
**53
100%
ReloadSwiss RS 70
<<locked>>
91%
57943
89%
**95
100%
ReloadSwiss RS 76
<<locked>>
97%
43279
67%
**41
99%
[ReloadSwiss RS 80]*
<<locked>>
97%
38899
60%
**30
93%
Rottweil R 903
<<locked>>
85%
57624
89%
**57
100%
Rottweil R 904
<<locked>>
94%
58059
89%
**10
99%
Rottweil R 905 👍
<<locked>>
96%
57899
89%
**53
100%
Rottweil R 907
<<locked>>
88%
57870
89%
**74
100%
SNPE Vectan SP 11
<<locked>>
84%
57957
89%
**00
100%
SNPE Vectan Tubal 5000
<<locked>>
85%
58146
89%
**39
100%
SNPE Vectan Tubal 7000
<<locked>>
89%
57899
89%
**38
100%
Shooters World Long Rifle
<<locked>>
89%
58044
89%
**67
100%
Somchem S355
<<locked>>
85%
57609
89%
**57
100%
Somchem S361
<<locked>>
93%
57841
89%
**77
98%
Somchem S365
<<locked>>
92%
57551
89%
**20
100%
Somchem S385
<<locked>>
96%
58102
89%
**23
100%
Vihtavuori N135
<<locked>>
87%
58276
90%
**69
100%
Vihtavuori N150
<<locked>>
90%
57653
89%
**15
100%
Vihtavuori N160
<<locked>>
88%
57928
89%
**87
100%
Vihtavuori N165
<<locked>>
97%
50850
78%
**05
99%
Vihtavuori N550
<<locked>>
88%
58117
89%
**23
100%
Vihtavuori N555
<<locked>>
97%
57203
88%
**36
100%
Vihtavuori N560
<<locked>>
97%
54491
84%
**72
98%
Vihtavuori N565
<<locked>>
97%
46441
71%
**21
96%
[Vihtavuori N568]*
<<locked>>
97%
40103
62%
**36
93%
Winchester 6.5 StaBALL
<<locked>>
90%
58030
89%
**61
100%
Winchester 760
<<locked>>
86%
57754
89%
**40
100%
Winchester StaBALL HD
<<locked>>
97%
47442
73%
**43
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
51750
80%
**69
100%
ADI AR 2209
<<locked>>
81%
36332
56%
**69
95%
[ADI AR 2213]*
<<locked>>
81%
32430
50%
**00
91%
[ADI AR 2217]*
<<locked>>
90%
31966
49%
**77
90%
[ADI AR 2225]*
<<locked>>
88%
26629
41%
**69
90%
Accurate 2700
<<locked>>
81%
49864
77%
**10
99%
Accurate 3100
<<locked>>
81%
32155
49%
**60
96%
Accurate 4350
<<locked>>
81%
43482
67%
**00
100%
[Accurate MAGPRO]*
<<locked>>
85%
35331
54%
**98
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
52707
81%
**92
100%
Alliant Reloder-16
<<locked>>
81%
41553
64%
**03
100%
Alliant Reloder-17
<<locked>>
81%
47776
74%
**18
100%
Alliant Reloder-19
<<locked>>
81%
36390
56%
**79
95%
[Alliant Reloder-22]*
<<locked>>
81%
32082
49%
**10
93%
Alliant Reloder-23
<<locked>>
81%
30806
47%
**83
99%
[Alliant Reloder-25]*
<<locked>>
81%
26992
42%
**92
94%
Alliant Reloder-26
<<locked>>
81%
33185
51%
**02
98%
[Hodgdon H1000]*
<<locked>>
90%
31966
49%
**77
90%
Hodgdon H380
<<locked>>
81%
53606
83%
**28
100%
Hodgdon H414
<<locked>>
81%
49023
75%
**08
99%
Hodgdon H4350
<<locked>>
81%
40176
62%
**98
97%
[Hodgdon H4831]*
<<locked>>
83%
32227
50%
**57
90%
[Hodgdon H4831 SC]*
<<locked>>
81%
33968
52%
**97
91%
Hodgdon Hybrid 100V
<<locked>>
81%
39073
60%
**92
100%
Hodgdon LVR
<<locked>>
81%
45905
71%
**39
100%
[Hodgdon Retumbo]*
<<locked>>
88%
26629
41%
**69
90%
Hodgdon Superperformance
<<locked>>
81%
44179
68%
**62
98%
Hodgdon VARGET
<<locked>>
81%
51401
79%
**62
100%
IMR 4064
<<locked>>
81%
51053
79%
**49
100%
IMR 4166 Enduron
<<locked>>
81%
49777
77%
**26
99%
IMR 4350
<<locked>>
81%
42105
65%
**41
98%
IMR 4451 Enduron
<<locked>>
81%
48138
74%
**26
99%
IMR 4831
<<locked>>
81%
37449
58%
**69
99%
[IMR 4955 Enduron]*
<<locked>>
81%
34505
53%
**74
92%
[IMR 7828 SSC]*
<<locked>>
81%
32953
51%
**23
91%
Lovex S065
<<locked>>
81%
45658
70%
**87
100%
Lovex S070
<<locked>>
81%
43845
67%
**64
99%
[Lovex S071]*
<<locked>>
81%
27528
42%
**39
94%
Norma 204
<<locked>>
81%
41814
64%
**64
96%
[Norma 217]*
<<locked>>
91%
26600
41%
**15
90%
Norma MRP
<<locked>>
81%
33127
51%
**69
95%
Norma URP
<<locked>>
81%
42612
66%
**84
100%
Ramshot Hunter
<<locked>>
81%
41582
64%
**84
99%
[Ramshot Magnum]*
<<locked>>
81%
29414
45%
**34
92%
ReloadSwiss RS 50
<<locked>>
81%
53447
82%
**08
100%
ReloadSwiss RS 60
<<locked>>
81%
45905
71%
**05
100%
ReloadSwiss RS 62
<<locked>>
81%
43120
66%
**20
100%
ReloadSwiss RS 70
<<locked>>
81%
41350
64%
**26
100%
[ReloadSwiss RS 76]*
<<locked>>
83%
27021
42%
**11
90%
[ReloadSwiss RS 80]*
<<locked>>
93%
34040
52%
**11
90%
Rottweil R 903
<<locked>>
81%
50531
78%
**59
100%
[Rottweil R 904]*
<<locked>>
81%
37681
58%
**59
94%
Rottweil R 905
<<locked>>
81%
35375
54%
**49
95%
Rottweil R 907
<<locked>>
81%
46746
72%
**03
99%
SNPE Vectan SP 11
<<locked>>
81%
51692
80%
**08
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
50894
78%
**48
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
44556
69%
**28
99%
Shooters World Long Rifle
<<locked>>
81%
45658
70%
**87
100%
Somchem S355
<<locked>>
81%
50575
78%
**56
100%
[Somchem S361]*
<<locked>>
81%
38247
59%
**46
93%
Somchem S365
<<locked>>
81%
39349
61%
**51
100%
Somchem S385
<<locked>>
81%
36071
56%
**43
96%
Vihtavuori N135
<<locked>>
81%
49240
76%
**54
100%
Vihtavuori N150
<<locked>>
81%
43468
67%
**18
100%
Vihtavuori N160
<<locked>>
81%
45876
71%
**07
100%
[Vihtavuori N165]*
<<locked>>
81%
30182
46%
**01
93%
Vihtavuori N550
<<locked>>
81%
46238
71%
**46
100%
Vihtavuori N555
<<locked>>
81%
34258
53%
**49
99%
[Vihtavuori N560]*
<<locked>>
81%
32039
49%
**13
90%
[Vihtavuori N565]*
<<locked>>
85%
30966
48%
**90
90%
[Vihtavuori N568]*
<<locked>>
93%
35114
54%
**25
90%
Winchester 6.5 StaBALL
<<locked>>
81%
43250
67%
**54
100%
Winchester 760
<<locked>>
81%
49023
75%
**08
99%
Winchester StaBALL HD
<<locked>>
81%
25280
39%
**87
99%

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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