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Load data for .280 Ackley Improved + .284 | 140gr | Swift A-Frame

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

.280 Ackley Improved + .284 | 140gr | Swift A-Frame

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Swift A-Frame
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.115" | 28.3mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.375" | 9.5mm
Shank Seated Depth:
0.375" | 9.5mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B10838_C285
Last updated:
2025-02-02

Load data for 166 loads in caliber .280 Ackley Improved with .284 | 140gr | Swift A-Frame bullet and 83 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".

  • 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 2208
<<locked>>
87%
57551
89%
**49
100%
ADI AR 2209
<<locked>>
97%
55114
85%
**02
97%
[ADI AR 2213]*
<<locked>>
97%
49400
76%
**13
94%
Accurate 2700
<<locked>>
88%
58218
90%
**13
98%
Accurate 3100
<<locked>>
97%
49240
76%
**58
99%
Accurate 4064
<<locked>>
85%
57798
89%
**20
100%
Accurate 4350
<<locked>>
93%
58320
90%
**25
100%
[Accurate MAGPRO]*
<<locked>>
97%
47616
73%
**04
92%
Alliant Reloder- TS 15.5
<<locked>>
87%
57754
89%
**66
100%
Alliant Reloder-15
<<locked>>
84%
57798
89%
**79
100%
Alliant Reloder-16 👍
<<locked>>
95%
57914
89%
**71
100%
Alliant Reloder-17
<<locked>>
90%
58247
90%
**74
100%
Alliant Reloder-19
<<locked>>
97%
54273
84%
**79
97%
Alliant Reloder-22
<<locked>>
97%
48298
74%
**17
96%
Alliant Reloder-23
<<locked>>
97%
45948
71%
**77
100%
Alliant Reloder-25
<<locked>>
97%
40480
62%
**79
97%
Alliant Reloder-26
<<locked>>
97%
51909
80%
**54
100%
Hodgdon CFE223
<<locked>>
85%
57870
89%
**22
100%
Hodgdon H380
<<locked>>
86%
57754
89%
**76
100%
Hodgdon H414
<<locked>>
89%
57986
89%
**38
99%
Hodgdon H4350
<<locked>>
96%
58320
90%
**79
99%
[Hodgdon H4831]*
<<locked>>
97%
45948
71%
**99
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
51793
80%
**07
94%
Hodgdon Hybrid 100V
<<locked>>
96%
57725
89%
**82
100%
Hodgdon LVR
<<locked>>
91%
58320
90%
**28
100%
Hodgdon Superperformance 👍
<<locked>>
92%
58436
90%
**84
99%
Hodgdon VARGET
<<locked>>
88%
57827
89%
**49
100%
Hodgdon TrailBoss
<<locked>>
96%
34621
53%
**98
100%
IMR 3031
<<locked>>
84%
57986
89%
**36
100%
IMR 4064
<<locked>>
88%
58030
89%
**46
100%
IMR 4166 Enduron
<<locked>>
89%
58262
90%
**40
99%
IMR 4350
<<locked>>
94%
58204
90%
**86
99%
IMR 4451 Enduron
<<locked>>
90%
58305
90%
**66
99%
IMR 4831
<<locked>>
97%
56086
86%
**76
100%
IMR 4895
<<locked>>
84%
58349
90%
**95
100%
[IMR 4955 Enduron]*
<<locked>>
97%
51039
79%
**58
94%
IMR 7828 SSC
<<locked>>
97%
50836
78%
**63
95%
Lovex S062
<<locked>>
85%
57769
89%
**33
100%
Lovex S065
<<locked>>
92%
58204
90%
**59
100%
Lovex S070
<<locked>>
93%
58175
90%
**86
99%
Lovex S071
<<locked>>
97%
41249
63%
**07
97%
Norma 203B
<<locked>>
85%
57943
89%
**86
100%
Norma 204
<<locked>>
93%
57667
89%
**09
98%
Norma MRP
<<locked>>
97%
51634
79%
**18
98%
Norma URP
<<locked>>
93%
57740
89%
**25
100%
Ramshot Big Game
<<locked>>
84%
57566
89%
**92
100%
Ramshot Hunter 👍
<<locked>>
94%
58117
89%
**41
100%
Ramshot Magnum
<<locked>>
97%
47181
73%
**71
96%
ReloadSwiss RS 14
<<locked>>
97%
35810
55%
**50
100%
ReloadSwiss RS 50
<<locked>>
86%
58233
90%
**63
99%
ReloadSwiss RS 52
<<locked>>
85%
58044
89%
**99
100%
ReloadSwiss RS 60
<<locked>>
91%
58001
89%
**00
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
57943
89%
**48
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
57870
89%
**91
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
39465
61%
**85
94%
Rottweil R 902
<<locked>>
84%
57928
89%
**13
100%
Rottweil R 903
<<locked>>
88%
57725
89%
**56
100%
Rottweil R 904
<<locked>>
97%
57000
88%
**76
97%
Rottweil R 905
<<locked>>
97%
54186
83%
**86
97%
Rottweil R 907
<<locked>>
91%
57899
89%
**56
99%
SNPE Vectan SP 11
<<locked>>
87%
57798
89%
**05
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
58044
89%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
91%
57551
89%
**04
99%
Shooters World Long Rifle
<<locked>>
92%
58204
90%
**59
100%
Shooters World Precision
<<locked>>
85%
57769
89%
**33
100%
Somchem S355
<<locked>>
88%
57957
89%
**63
100%
Somchem S361
<<locked>>
96%
58160
90%
**53
96%
Somchem S365
<<locked>>
96%
57464
88%
**35
100%
Somchem S385
<<locked>>
97%
54476
84%
**53
98%
Vihtavuori N133
<<locked>>
84%
58146
89%
**25
100%
Vihtavuori N135
<<locked>>
89%
57653
89%
**64
100%
Vihtavuori N140
<<locked>>
84%
57580
89%
**77
100%
Vihtavuori N150
<<locked>>
93%
58305
90%
**20
100%
Vihtavuori N160
<<locked>>
91%
57348
88%
**76
100%
Vihtavuori N165
<<locked>>
97%
45730
70%
**79
96%
Vihtavuori N540
<<locked>>
84%
58044
89%
**17
100%
Vihtavuori N550
<<locked>>
91%
57943
89%
**22
100%
Vihtavuori N555
<<locked>>
97%
51532
79%
**59
100%
[Vihtavuori N560]*
<<locked>>
97%
48892
75%
**40
94%
[Vihtavuori N565]*
<<locked>>
97%
41539
64%
**79
92%
Winchester 6.5 StaBALL
<<locked>>
92%
57537
89%
**56
100%
Winchester 760
<<locked>>
89%
57986
89%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
39726
61%
**23
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47935
74%
**92
100%
[ADI AR 2209]*
<<locked>>
82%
34592
53%
**59
90%
[ADI AR 2213]*
<<locked>>
89%
39204
60%
**90
90%
Accurate 2700
<<locked>>
81%
46412
71%
**13
96%
[Accurate 3100]*
<<locked>>
81%
29588
46%
**25
92%
Accurate 4064
<<locked>>
81%
51880
80%
**31
100%
Accurate 4350
<<locked>>
81%
39581
61%
**90
98%
[Accurate MAGPRO]*
<<locked>>
94%
43598
67%
**22
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
48892
75%
**25
100%
Alliant Reloder-15
<<locked>>
81%
51967
80%
**90
100%
Alliant Reloder-16
<<locked>>
81%
38029
59%
**90
98%
Alliant Reloder-17
<<locked>>
81%
43091
66%
**22
100%
[Alliant Reloder-19]*
<<locked>>
81%
34040
52%
**46
90%
[Alliant Reloder-22]*
<<locked>>
85%
34011
52%
**85
90%
Alliant Reloder-23
<<locked>>
81%
28514
44%
**48
96%
[Alliant Reloder-25]*
<<locked>>
84%
28021
43%
**21
90%
[Alliant Reloder-26]*
<<locked>>
81%
30501
47%
**56
94%
Hodgdon CFE223
<<locked>>
81%
51227
79%
**07
100%
Hodgdon H380
<<locked>>
81%
49545
76%
**38
99%
Hodgdon H414
<<locked>>
81%
44556
69%
**95
97%
[Hodgdon H4350]*
<<locked>>
81%
37173
57%
**75
93%
[Hodgdon H4831]*
<<locked>>
92%
40030
62%
**71
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
39653
61%
**64
90%
Hodgdon Hybrid 100V
<<locked>>
81%
35694
55%
**79
98%
Hodgdon LVR
<<locked>>
81%
41901
64%
**33
98%
Hodgdon Superperformance
<<locked>>
81%
40263
62%
**33
95%
Hodgdon VARGET
<<locked>>
81%
47500
73%
**85
100%
Hodgdon TrailBoss
<<locked>>
81%
27963
43%
**57
100%
IMR 3031
<<locked>>
81%
53476
82%
**74
100%
IMR 4064
<<locked>>
81%
47398
73%
**69
100%
IMR 4166 Enduron
<<locked>>
81%
46296
71%
**36
97%
[IMR 4350]*
<<locked>>
81%
38856
60%
**15
94%
IMR 4451 Enduron
<<locked>>
81%
44614
69%
**26
97%
IMR 4831
<<locked>>
81%
34490
53%
**56
96%
IMR 4895
<<locked>>
81%
53374
82%
**17
100%
[IMR 4955 Enduron]*
<<locked>>
88%
38957
60%
**18
90%
[IMR 7828 SSC]*
<<locked>>
89%
39131
60%
**07
90%
Lovex S062
<<locked>>
81%
50908
78%
**28
100%
Lovex S065
<<locked>>
81%
42598
66%
**87
97%
Lovex S070
<<locked>>
81%
40553
62%
**57
96%
[Lovex S071]*
<<locked>>
83%
26847
41%
**36
90%
Norma 203B
<<locked>>
81%
51503
79%
**77
100%
[Norma 204]*
<<locked>>
81%
38290
59%
**41
92%
[Norma MRP]*
<<locked>>
81%
30603
47%
**20
90%
Norma URP
<<locked>>
81%
38986
60%
**77
98%
Ramshot Big Game
<<locked>>
81%
51808
80%
**00
100%
Ramshot Hunter
<<locked>>
81%
37840
58%
**64
96%
[Ramshot Magnum]*
<<locked>>
87%
33170
51%
**43
90%
ReloadSwiss RS 14
<<locked>>
81%
28485
44%
**96
100%
ReloadSwiss RS 50
<<locked>>
81%
49269
76%
**18
98%
ReloadSwiss RS 52
<<locked>>
81%
51401
79%
**94
100%
ReloadSwiss RS 60
<<locked>>
81%
41872
64%
**12
100%
ReloadSwiss RS 62
<<locked>>
81%
39175
60%
**00
97%
ReloadSwiss RS 70
<<locked>>
81%
38058
59%
**00
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
33547
52%
**08
90%
Rottweil R 902
<<locked>>
81%
52953
81%
**38
100%
Rottweil R 903
<<locked>>
81%
46354
71%
**79
100%
[Rottweil R 904]*
<<locked>>
83%
37072
57%
**75
90%
[Rottweil R 905]*
<<locked>>
82%
33228
51%
**36
90%
Rottweil R 907
<<locked>>
81%
43540
67%
**97
96%
SNPE Vectan SP 11
<<locked>>
81%
47413
73%
**28
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
47413
73%
**84
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
41742
64%
**25
96%
Shooters World Long Rifle
<<locked>>
81%
42598
66%
**87
97%
Shooters World Precision
<<locked>>
81%
50908
78%
**28
100%
Somchem S355
<<locked>>
81%
46702
72%
**79
100%
[Somchem S361]*
<<locked>>
84%
39552
61%
**05
90%
Somchem S365
<<locked>>
81%
35331
54%
**28
99%
[Somchem S385]*
<<locked>>
81%
33344
51%
**10
92%
Vihtavuori N133
<<locked>>
81%
52924
81%
**53
100%
Vihtavuori N135
<<locked>>
81%
45542
70%
**90
100%
Vihtavuori N140
<<locked>>
81%
52736
81%
**08
100%
Vihtavuori N150
<<locked>>
81%
40161
62%
**21
100%
Vihtavuori N160
<<locked>>
81%
42032
65%
**10
98%
[Vihtavuori N165]*
<<locked>>
85%
32053
49%
**74
90%
Vihtavuori N540
<<locked>>
81%
52489
81%
**41
100%
Vihtavuori N550
<<locked>>
81%
42685
66%
**49
98%
Vihtavuori N555
<<locked>>
81%
31357
48%
**30
96%
[Vihtavuori N560]*
<<locked>>
90%
39581
61%
**36
90%
[Vihtavuori N565]*
<<locked>>
94%
37710
58%
**90
90%
Winchester 6.5 StaBALL
<<locked>>
81%
39450
61%
**48
99%
Winchester 760
<<locked>>
81%
44556
69%
**95
97%
[Winchester StaBALL HD]*
<<locked>>
81%
25469
39%
**08
94%

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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