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Load data for .280 Ackley Improved + .284 | 140gr | Sellier & Bellot FMJ

Recommended Powder(s): Alliant Reloder-16, Hodgdon H414, Ramshot Hunter, ReloadSwiss RS 62, ReloadSwiss RS 70

.280 Ackley Improved + .284 | 140gr | Sellier & Bellot FMJ

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Sellier & Bellot FMJ
Manufacturer SKU:
2955
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.134" | 28.8mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.394" | 10.0mm
Shank Seated Depth:
0.394" | 10.0mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B7216_C285
Last updated:
2025-01-01

Load data for 174 loads in caliber .280 Ackley Improved with .284 | 140gr | Sellier & Bellot FMJ bullet and 87 powders such as Alliant Reloder-16, Hodgdon H414, 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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  • 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>>
89%
58117
89%
**63
100%
ADI AR 2209
<<locked>>
97%
53127
82%
**66
97%
[ADI AR 2213]*
<<locked>>
97%
46949
72%
**74
93%
Accurate 2700
<<locked>>
89%
57783
89%
**07
98%
Accurate 3100
<<locked>>
97%
46195
71%
**08
98%
Accurate 4064
<<locked>>
87%
58421
90%
**43
100%
Accurate 4350
<<locked>>
94%
58436
90%
**35
100%
Alliant Reloder- TS 15.5
<<locked>>
88%
57696
89%
**76
100%
Alliant Reloder-15
<<locked>>
86%
58218
90%
**92
100%
Alliant Reloder-16 👍
<<locked>>
96%
57754
89%
**77
100%
Alliant Reloder-17
<<locked>>
91%
57711
89%
**74
100%
Alliant Reloder-19
<<locked>>
97%
52315
81%
**56
97%
Alliant Reloder-22
<<locked>>
97%
45658
70%
**74
95%
Alliant Reloder-23
<<locked>>
97%
43047
66%
**31
100%
Alliant Reloder-25
<<locked>>
97%
38130
59%
**33
96%
Alliant Reloder-26
<<locked>>
97%
48863
75%
**09
100%
Hodgdon CFE223
<<locked>>
86%
57827
89%
**28
100%
Hodgdon H380
<<locked>>
87%
58015
89%
**89
100%
Hodgdon H414 👍
<<locked>>
90%
58102
89%
**45
99%
Hodgdon H4350
<<locked>>
97%
56623
87%
**63
98%
[Hodgdon H4831]*
<<locked>>
97%
43642
67%
**59
92%
[Hodgdon H4831 SC]*
<<locked>>
97%
49414
76%
**74
94%
Hodgdon Hybrid 100V
<<locked>>
97%
56405
87%
**69
100%
Hodgdon LVR
<<locked>>
92%
57783
89%
**18
100%
Hodgdon Superperformance
<<locked>>
93%
58479
90%
**87
99%
Hodgdon VARGET
<<locked>>
89%
57812
89%
**59
100%
Hodgdon TrailBoss
<<locked>>
97%
34809
54%
**08
100%
IMR 3031
<<locked>>
85%
57841
89%
**46
100%
IMR 4064
<<locked>>
89%
58015
89%
**53
100%
IMR 4166 Enduron
<<locked>>
90%
58073
89%
**46
99%
IMR 4350
<<locked>>
95%
57899
89%
**89
99%
IMR 4451 Enduron
<<locked>>
91%
58218
90%
**76
99%
IMR 4831
<<locked>>
97%
52634
81%
**27
100%
IMR 4895
<<locked>>
85%
57812
89%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
97%
49255
76%
**35
94%
[IMR 7828 SSC]*
<<locked>>
97%
48283
74%
**10
94%
Lovex S060
<<locked>>
84%
57624
89%
**10
100%
Lovex S062
<<locked>>
87%
57899
89%
**43
100%
Lovex S065
<<locked>>
93%
58073
89%
**66
100%
Lovex S070
<<locked>>
94%
58349
90%
**95
99%
Lovex S071
<<locked>>
97%
38450
59%
**61
96%
Norma 201
<<locked>>
84%
57986
89%
**40
100%
Norma 202
<<locked>>
83%
57783
89%
**20
100%
Norma 203B
<<locked>>
87%
58363
90%
**95
100%
Norma 204
<<locked>>
95%
57812
89%
**28
98%
Norma MRP
<<locked>>
97%
48298
74%
**66
98%
Norma URP
<<locked>>
95%
58015
89%
**31
100%
Ramshot Big Game
<<locked>>
86%
57711
89%
**02
100%
Ramshot Hunter 👍
<<locked>>
96%
58218
90%
**48
100%
Ramshot Magnum
<<locked>>
97%
44643
69%
**35
96%
ReloadSwiss RS 14
<<locked>>
96%
34824
54%
**37
100%
ReloadSwiss RS 50
<<locked>>
87%
57798
89%
**66
99%
ReloadSwiss RS 52
<<locked>>
86%
58102
89%
**05
100%
ReloadSwiss RS 60
<<locked>>
92%
58450
90%
**10
100%
ReloadSwiss RS 62 👍
<<locked>>
94%
57493
88%
**48
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
57957
89%
**07
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
36767
57%
**13
93%
Rottweil R 902
<<locked>>
86%
58218
90%
**27
100%
Rottweil R 903
<<locked>>
89%
57682
89%
**76
100%
Rottweil R 904
<<locked>>
97%
54099
83%
**33
96%
Rottweil R 905
<<locked>>
97%
51416
79%
**36
97%
Rottweil R 907
<<locked>>
92%
57537
89%
**63
99%
SNPE Vectan SP 11
<<locked>>
89%
57957
89%
**12
100%
SNPE Vectan SP 9
<<locked>>
84%
57624
89%
**63
100%
SNPE Vectan Tubal 3000
<<locked>>
84%
58479
90%
**61
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
58102
89%
**41
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
57609
89%
**10
99%
Shooters World Long Rifle
<<locked>>
93%
58073
89%
**66
100%
Shooters World Precision
<<locked>>
87%
57899
89%
**43
100%
Somchem S335
<<locked>>
84%
58465
90%
**61
100%
Somchem S355
<<locked>>
89%
57566
89%
**69
100%
Somchem S361
<<locked>>
97%
56565
87%
**33
96%
Somchem S365
<<locked>>
97%
56927
88%
**38
100%
Somchem S385
<<locked>>
97%
51561
79%
**04
98%
Vihtavuori N133
<<locked>>
85%
57899
89%
**31
100%
Vihtavuori N135
<<locked>>
91%
58015
89%
**87
100%
Vihtavuori N140
<<locked>>
85%
57740
89%
**87
100%
Vihtavuori N150
<<locked>>
95%
57725
89%
**23
100%
Vihtavuori N160
<<locked>>
93%
58334
90%
**92
100%
Vihtavuori N165
<<locked>>
97%
43410
67%
**43
95%
Vihtavuori N540
<<locked>>
86%
58146
89%
**27
100%
Vihtavuori N550
<<locked>>
92%
58204
90%
**31
100%
Vihtavuori N555
<<locked>>
97%
48370
74%
**13
100%
[Vihtavuori N560]*
<<locked>>
97%
45977
71%
**94
93%
Winchester 6.5 StaBALL
<<locked>>
94%
58320
90%
**69
100%
Winchester 760
<<locked>>
90%
58102
89%
**45
99%
Winchester StaBALL HD
<<locked>>
97%
36753
57%
**61
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46006
71%
**66
99%
[ADI AR 2209]*
<<locked>>
84%
34838
54%
**75
90%
[ADI AR 2213]*
<<locked>>
91%
39378
61%
**03
90%
Accurate 2700
<<locked>>
81%
44338
68%
**80
96%
[Accurate 3100]*
<<locked>>
81%
26876
41%
**59
90%
Accurate 4064
<<locked>>
81%
48341
74%
**85
100%
Accurate 4350
<<locked>>
81%
36840
57%
**44
97%
Alliant Reloder- TS 15.5
<<locked>>
81%
46151
71%
**85
100%
Alliant Reloder-15
<<locked>>
81%
49661
76%
**61
100%
Alliant Reloder-16
<<locked>>
81%
35940
55%
**44
97%
Alliant Reloder-17
<<locked>>
81%
40828
63%
**79
100%
[Alliant Reloder-19]*
<<locked>>
84%
34127
53%
**59
90%
[Alliant Reloder-22]*
<<locked>>
87%
33591
52%
**92
90%
[Alliant Reloder-23]*
<<locked>>
81%
26165
40%
**75
94%
[Alliant Reloder-25]*
<<locked>>
87%
27992
43%
**34
90%
[Alliant Reloder-26]*
<<locked>>
81%
27775
43%
**77
92%
Hodgdon CFE223
<<locked>>
81%
48457
75%
**71
99%
Hodgdon H380
<<locked>>
81%
47253
73%
**08
99%
Hodgdon H414
<<locked>>
81%
41989
65%
**53
96%
[Hodgdon H4350]*
<<locked>>
81%
34896
54%
**36
92%
[Hodgdon H4831]*
<<locked>>
94%
40219
62%
**80
90%
[Hodgdon H4831 SC]*
<<locked>>
90%
39972
62%
**77
90%
Hodgdon Hybrid 100V
<<locked>>
81%
33446
51%
**39
98%
Hodgdon LVR
<<locked>>
81%
39581
61%
**90
97%
[Hodgdon Superperformance]*
<<locked>>
81%
37753
58%
**80
94%
Hodgdon VARGET
<<locked>>
81%
45730
70%
**53
99%
Hodgdon TrailBoss
<<locked>>
81%
27427
42%
**50
100%
IMR 3031
<<locked>>
81%
50589
78%
**35
100%
IMR 4064
<<locked>>
81%
45034
69%
**36
99%
IMR 4166 Enduron
<<locked>>
81%
44599
69%
**13
97%
[IMR 4350]*
<<locked>>
81%
36753
57%
**82
93%
IMR 4451 Enduron
<<locked>>
81%
42670
66%
**97
96%
IMR 4831
<<locked>>
81%
32169
50%
**10
96%
IMR 4895
<<locked>>
81%
51024
79%
**87
100%
[IMR 4955 Enduron]*
<<locked>>
89%
38812
60%
**21
90%
[IMR 7828 SSC]*
<<locked>>
91%
39117
60%
**13
90%
Lovex S060
<<locked>>
81%
53287
82%
**44
100%
Lovex S062
<<locked>>
81%
48675
75%
**02
100%
Lovex S065
<<locked>>
81%
39798
61%
**35
97%
Lovex S070
<<locked>>
81%
38072
59%
**18
95%
[Lovex S071]*
<<locked>>
86%
26876
41%
**59
90%
Norma 201
<<locked>>
81%
52721
81%
**61
100%
Norma 202
<<locked>>
81%
53577
82%
**61
100%
Norma 203B
<<locked>>
81%
49037
75%
**48
100%
[Norma 204]*
<<locked>>
81%
35940
55%
**89
91%
[Norma MRP]*
<<locked>>
84%
31212
48%
**52
90%
Norma URP
<<locked>>
81%
36593
56%
**38
97%
Ramshot Big Game
<<locked>>
81%
49182
76%
**71
100%
Ramshot Hunter
<<locked>>
81%
35476
55%
**15
95%
[Ramshot Magnum]*
<<locked>>
89%
33069
51%
**49
90%
ReloadSwiss RS 14
<<locked>>
81%
28181
43%
**96
100%
ReloadSwiss RS 50
<<locked>>
81%
47253
73%
**89
98%
ReloadSwiss RS 52
<<locked>>
81%
48515
75%
**58
100%
ReloadSwiss RS 60
<<locked>>
81%
39523
61%
**76
100%
ReloadSwiss RS 62
<<locked>>
81%
36405
56%
**51
97%
ReloadSwiss RS 70
<<locked>>
81%
35679
55%
**57
96%
[ReloadSwiss RS 76]*
<<locked>>
94%
33431
51%
**12
90%
Rottweil R 902
<<locked>>
81%
50502
78%
**12
100%
Rottweil R 903
<<locked>>
81%
43787
67%
**40
100%
[Rottweil R 904]*
<<locked>>
85%
37304
57%
**98
90%
[Rottweil R 905]*
<<locked>>
84%
33257
51%
**52
90%
Rottweil R 907
<<locked>>
81%
41263
64%
**67
95%
SNPE Vectan SP 11
<<locked>>
81%
44962
69%
**95
100%
SNPE Vectan SP 9
<<locked>>
81%
52388
81%
**84
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
53940
83%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
45513
70%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39189
60%
**79
95%
Shooters World Long Rifle
<<locked>>
81%
39798
61%
**35
97%
Shooters World Precision
<<locked>>
81%
48675
75%
**02
100%
Somchem S335
<<locked>>
81%
53258
82%
**85
100%
Somchem S355
<<locked>>
81%
43976
68%
**40
100%
[Somchem S361]*
<<locked>>
86%
39407
61%
**18
90%
Somchem S365
<<locked>>
81%
33040
51%
**85
99%
[Somchem S385]*
<<locked>>
81%
30705
47%
**57
90%
Vihtavuori N133
<<locked>>
81%
50908
78%
**36
100%
Vihtavuori N135
<<locked>>
81%
42975
66%
**57
100%
Vihtavuori N140
<<locked>>
81%
50024
77%
**79
100%
Vihtavuori N150
<<locked>>
81%
37811
58%
**82
100%
Vihtavuori N160
<<locked>>
81%
39552
61%
**67
98%
[Vihtavuori N165]*
<<locked>>
87%
31807
49%
**77
90%
Vihtavuori N540
<<locked>>
81%
49792
77%
**02
100%
Vihtavuori N550
<<locked>>
81%
40321
62%
**17
98%
[Vihtavuori N555]*
<<locked>>
81%
28587
44%
**67
94%
[Vihtavuori N560]*
<<locked>>
92%
39755
61%
**56
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37565
58%
**15
99%
Winchester 760
<<locked>>
81%
41989
65%
**53
96%
[Winchester StaBALL HD]*
<<locked>>
81%
23076
36%
**13
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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