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Load data for .280 Ackley Improved + .284 | 175gr | Winchester Powerpoint

Recommended Powder(s): ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, Norma MRP, Rottweil R 905

.280 Ackley Improved + .284 | 175gr | Winchester Powerpoint

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 175gr | Winchester Powerpoint
Bullet Weight:
175gr | 11.3g
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_B6626_C285
Last updated:
2025-01-01

Load data for 140 loads in caliber .280 Ackley Improved with .284 | 175gr | Winchester Powerpoint bullet and 70 powders such as ADI AR 2209, Alliant Reloder-19, Alliant Reloder-22, 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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    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 2209 👍
<<locked>>
93%
57711
89%
**79
100%
ADI AR 2213
<<locked>>
96%
57769
89%
**15
99%
ADI AR 2217
<<locked>>
97%
43149
66%
**62
96%
ADI AR 2225
<<locked>>
97%
38348
59%
**26
98%
Accurate 2700
<<locked>>
84%
58059
89%
**57
100%
Accurate 3100
<<locked>>
96%
57783
89%
**20
100%
Accurate 4350
<<locked>>
88%
58407
90%
**36
100%
Accurate MAGPRO
<<locked>>
97%
57856
89%
**38
98%
Alliant Reloder-16
<<locked>>
89%
58479
90%
**79
100%
Alliant Reloder-17
<<locked>>
85%
58189
90%
**76
100%
Alliant Reloder-19 👍
<<locked>>
93%
58001
89%
**76
100%
Alliant Reloder-22 👍
<<locked>>
96%
57537
89%
**05
100%
Alliant Reloder-23
<<locked>>
97%
55840
86%
**40
100%
Alliant Reloder-25
<<locked>>
97%
48486
75%
**03
100%
Alliant Reloder-26
<<locked>>
93%
57464
88%
**44
100%
Hodgdon H1000
<<locked>>
97%
43149
66%
**62
96%
Hodgdon H414
<<locked>>
84%
58088
89%
**62
100%
Hodgdon H4350
<<locked>>
91%
57798
89%
**13
100%
Hodgdon H4831
<<locked>>
97%
54201
83%
**03
98%
Hodgdon H4831 SC
<<locked>>
95%
57711
89%
**56
99%
Hodgdon Hybrid 100V
<<locked>>
91%
57841
89%
**90
100%
Hodgdon LVR
<<locked>>
86%
58030
89%
**40
100%
Hodgdon Retumbo
<<locked>>
97%
38348
59%
**26
98%
Hodgdon Superperformance
<<locked>>
86%
57928
89%
**99
100%
IMR 4064
<<locked>>
83%
58030
89%
**64
100%
IMR 4166 Enduron
<<locked>>
85%
58392
90%
**84
100%
IMR 4350
<<locked>>
89%
57682
89%
**10
100%
IMR 4451 Enduron
<<locked>>
85%
58117
89%
**00
100%
IMR 4831
<<locked>>
93%
57812
89%
**20
100%
IMR 4955 Enduron
<<locked>>
96%
57972
89%
**30
99%
IMR 7828 SSC
<<locked>>
95%
58030
89%
**28
99%
[IMR 8133 Enduron]*
<<locked>>
97%
34403
53%
**28
93%
Lovex S065
<<locked>>
87%
57870
89%
**90
100%
Lovex S070
<<locked>>
88%
58204
90%
**17
100%
Lovex S071
<<locked>>
97%
49226
76%
**98
100%
Norma 204
<<locked>>
89%
58218
90%
**62
100%
Norma 217
<<locked>>
97%
34055
52%
**44
96%
Norma MRP 👍
<<locked>>
94%
57740
89%
**35
100%
Norma URP
<<locked>>
89%
58465
90%
**49
100%
Ramshot Hunter
<<locked>>
89%
57537
89%
**62
100%
Ramshot Magnum
<<locked>>
97%
57696
89%
**99
100%
ReloadSwiss RS 14
<<locked>>
96%
36129
56%
**77
100%
ReloadSwiss RS 60
<<locked>>
85%
58044
89%
**92
100%
ReloadSwiss RS 62
<<locked>>
88%
58479
90%
**62
100%
ReloadSwiss RS 70
<<locked>>
89%
58465
90%
**15
100%
ReloadSwiss RS 76
<<locked>>
97%
46992
72%
**43
100%
ReloadSwiss RS 80
<<locked>>
97%
42757
66%
**28
95%
Rottweil R 903
<<locked>>
83%
57827
89%
**77
100%
Rottweil R 904
<<locked>>
93%
58233
90%
**33
99%
Rottweil R 905 👍
<<locked>>
93%
57638
89%
**72
100%
Rottweil R 907
<<locked>>
86%
57580
89%
**90
100%
SNPE Vectan Tubal 5000
<<locked>>
84%
58392
90%
**62
100%
SNPE Vectan Tubal 7000
<<locked>>
87%
57783
89%
**57
100%
Shooters World Long Rifle
<<locked>>
87%
57870
89%
**90
100%
Somchem S355
<<locked>>
84%
57928
89%
**71
100%
Somchem S361
<<locked>>
92%
58407
90%
**07
98%
Somchem S365
<<locked>>
90%
57783
89%
**33
100%
Somchem S385
<<locked>>
93%
57885
89%
**33
100%
Vihtavuori N135
<<locked>>
85%
57914
89%
**82
100%
Vihtavuori N150
<<locked>>
89%
58088
89%
**38
100%
Vihtavuori N160
<<locked>>
86%
58146
89%
**00
100%
Vihtavuori N165
<<locked>>
97%
54505
84%
**80
100%
Vihtavuori N550
<<locked>>
86%
57667
89%
**40
100%
Vihtavuori N555
<<locked>>
95%
57841
89%
**62
100%
Vihtavuori N560
<<locked>>
96%
58059
89%
**41
99%
Vihtavuori N565
<<locked>>
97%
50575
78%
**13
98%
Vihtavuori N568
<<locked>>
97%
43976
68%
**35
95%
Winchester 6.5 StaBALL
<<locked>>
88%
58131
89%
**77
100%
Winchester 760
<<locked>>
84%
58088
89%
**62
100%
Winchester StaBALL HD
<<locked>>
97%
53040
82%
**15
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2209
<<locked>>
81%
38885
60%
**48
96%
[ADI AR 2213]*
<<locked>>
81%
34722
53%
**75
93%
[ADI AR 2217]*
<<locked>>
86%
30589
47%
**60
90%
[ADI AR 2225]*
<<locked>>
84%
25541
39%
**52
90%
Accurate 2700
<<locked>>
81%
53142
82%
**89
100%
Accurate 3100
<<locked>>
81%
34577
53%
**26
97%
Accurate 4350
<<locked>>
81%
46485
72%
**69
100%
[Accurate MAGPRO]*
<<locked>>
82%
34389
53%
**82
90%
Alliant Reloder-16
<<locked>>
81%
44469
68%
**66
100%
Alliant Reloder-17
<<locked>>
81%
51213
79%
**80
100%
Alliant Reloder-19
<<locked>>
81%
38769
60%
**41
96%
Alliant Reloder-22
<<locked>>
81%
34534
53%
**88
95%
Alliant Reloder-23
<<locked>>
81%
33272
51%
**56
100%
Alliant Reloder-25
<<locked>>
81%
28863
44%
**57
96%
Alliant Reloder-26
<<locked>>
81%
36085
56%
**84
99%
[Hodgdon H1000]*
<<locked>>
86%
30589
47%
**60
90%
Hodgdon H414
<<locked>>
81%
52156
80%
**74
100%
Hodgdon H4350
<<locked>>
81%
42743
66%
**70
98%
[Hodgdon H4831]*
<<locked>>
81%
32489
50%
**77
91%
[Hodgdon H4831 SC]*
<<locked>>
81%
36289
56%
**72
93%
Hodgdon Hybrid 100V
<<locked>>
81%
42105
65%
**57
100%
Hodgdon LVR
<<locked>>
81%
49008
75%
**05
100%
[Hodgdon Retumbo]*
<<locked>>
84%
25541
39%
**52
90%
Hodgdon Superperformance
<<locked>>
81%
47747
73%
**38
99%
IMR 4064
<<locked>>
81%
53867
83%
**08
100%
IMR 4166 Enduron
<<locked>>
81%
52663
81%
**98
100%
IMR 4350
<<locked>>
81%
44599
69%
**07
99%
IMR 4451 Enduron
<<locked>>
81%
50865
78%
**92
100%
IMR 4831
<<locked>>
81%
40393
62%
**41
100%
[IMR 4955 Enduron]*
<<locked>>
81%
36753
57%
**43
93%
[IMR 7828 SSC]*
<<locked>>
81%
35244
54%
**02
93%
[IMR 8133 Enduron]*
<<locked>>
92%
29863
46%
**00
90%
Lovex S065
<<locked>>
81%
48385
74%
**46
100%
Lovex S070
<<locked>>
81%
46514
72%
**33
99%
Lovex S071
<<locked>>
81%
29878
46%
**15
96%
Norma 204
<<locked>>
81%
44657
69%
**39
98%
[Norma 217]*
<<locked>>
88%
26194
40%
**11
90%
Norma MRP
<<locked>>
81%
36071
56%
**51
97%
Norma URP
<<locked>>
81%
45498
70%
**49
100%
Ramshot Hunter
<<locked>>
81%
44527
69%
**56
99%
[Ramshot Magnum]*
<<locked>>
81%
31749
49%
**16
94%
ReloadSwiss RS 14
<<locked>>
94%
34780
54%
**54
100%
ReloadSwiss RS 60
<<locked>>
81%
49472
76%
**74
100%
ReloadSwiss RS 62
<<locked>>
81%
46325
71%
**82
100%
ReloadSwiss RS 70
<<locked>>
81%
44585
69%
**02
100%
[ReloadSwiss RS 76]*
<<locked>>
81%
27238
42%
**34
91%
[ReloadSwiss RS 80]*
<<locked>>
90%
33141
51%
**98
90%
Rottweil R 903
<<locked>>
81%
53679
83%
**21
100%
Rottweil R 904
<<locked>>
81%
40103
62%
**25
95%
Rottweil R 905
<<locked>>
81%
37942
58%
**28
96%
Rottweil R 907
<<locked>>
81%
49458
76%
**66
99%
SNPE Vectan Tubal 5000
<<locked>>
81%
54070
83%
**10
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
47485
73%
**97
99%
Shooters World Long Rifle
<<locked>>
81%
48385
74%
**46
100%
Somchem S355
<<locked>>
81%
53635
83%
**18
100%
Somchem S361
<<locked>>
81%
40901
63%
**18
95%
Somchem S365
<<locked>>
81%
42424
65%
**07
100%
Somchem S385
<<locked>>
81%
38682
60%
**15
97%
Vihtavuori N135
<<locked>>
81%
51880
80%
**03
100%
Vihtavuori N150
<<locked>>
81%
46137
71%
**67
100%
Vihtavuori N160
<<locked>>
81%
49081
76%
**79
100%
[Vihtavuori N165]*
<<locked>>
81%
32387
50%
**70
94%
Vihtavuori N550
<<locked>>
81%
49443
76%
**12
100%
Vihtavuori N555
<<locked>>
81%
37144
57%
**21
100%
[Vihtavuori N560]*
<<locked>>
81%
34534
53%
**95
92%
[Vihtavuori N565]*
<<locked>>
82%
30342
47%
**80
90%
[Vihtavuori N568]*
<<locked>>
90%
34214
53%
**15
90%
Winchester 6.5 StaBALL
<<locked>>
81%
46282
71%
**13
100%
Winchester 760
<<locked>>
81%
52156
80%
**74
100%
Winchester StaBALL HD
<<locked>>
81%
28514
44%
**65
100%

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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