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Load data for .280 Ackley Improved + .284 | 140gr | Barnes TSX BT

Recommended Powder(s):

.280 Ackley Improved + .284 | 140gr | Barnes TSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 140gr | Barnes TSX BT
Manufacturer SKU:
30289
Bullet Weight:
140gr | 9.1g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
<<locked>>
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
<<locked>>
Seated Depth:
<<locked>>
Shank Seated Depth:
<<locked>>
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
65000 psi | 4482 bar
LID:
LID_B562_C285
Last updated:
2026-03-23
Recommended Twist Rate:
1:11 - 1:9

Load data for 212 loads in caliber .280 Ackley Improved with .284 | 140gr | Barnes TSX BT bullet and 106 powder(s). 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 2206H
<<locked>>
84%
57783
89%
**72
100%
ADI AR 2208
<<locked>>
90%
57914
89%
**59
100%
ADI AR 2209
<<locked>>
97%
50299
77%
**10
96%
[ADI AR 2213]*
<<locked>>
97%
44338
68%
**08
92%
ADI Benchmark 8208
<<locked>>
83%
58276
90%
**40
100%
Accurate 2200
<<locked>>
83%
58407
90%
**56
100%
Accurate 2495
<<locked>>
83%
58015
89%
**07
100%
Accurate 2700
<<locked>>
91%
58146
89%
**17
98%
Accurate 3100
<<locked>>
97%
42467
65%
**40
97%
Accurate 4064
<<locked>>
88%
57638
89%
**33
100%
Accurate 4350 👍
<<locked>>
96%
58117
89%
**35
100%
Alliant Power Pro 2000-MR
<<locked>>
86%
57957
89%
**00
100%
Alliant Reloder- TS 15.5
<<locked>>
90%
58117
89%
**72
100%
Alliant Reloder-15
<<locked>>
87%
58117
89%
**92
100%
Alliant Reloder-16 👍
<<locked>>
97%
56391
87%
**48
100%
Alliant Reloder-17
<<locked>>
93%
57870
89%
**77
100%
Alliant Reloder-19
<<locked>>
97%
49066
76%
**94
96%
[Alliant Reloder-22]*
<<locked>>
97%
42888
66%
**18
94%
Alliant Reloder-23
<<locked>>
97%
40625
63%
**82
99%
Alliant Reloder-25
<<locked>>
97%
35810
55%
**71
95%
Alliant Reloder-26
<<locked>>
97%
45353
70%
**40
99%
Baschieri & Pellagri 107
<<locked>>
84%
57653
89%
**89
100%
[Bofors RP15]*
<<locked>>
97%
39929
61%
**43
93%
Bofors RP3
<<locked>>
89%
57580
89%
**72
100%
[Bofors RP5]*
<<locked>>
97%
42888
66%
**18
94%
Bofors RP7
<<locked>>
94%
58262
90%
**63
98%
Hodgdon CFE223
<<locked>>
87%
57957
89%
**25
100%
Hodgdon H380
<<locked>>
89%
58160
90%
**86
100%
Hodgdon H414 👍
<<locked>>
92%
57667
89%
**38
99%
Hodgdon H4350
<<locked>>
97%
54433
84%
**27
98%
[Hodgdon H4831 SC]*
<<locked>>
97%
46630
72%
**15
92%
Hodgdon H4895
<<locked>>
84%
58407
90%
**82
100%
Hodgdon Hybrid 100V
<<locked>>
97%
53040
82%
**17
100%
Hodgdon LVR
<<locked>>
94%
57914
89%
**28
100%
Hodgdon Superperformance
<<locked>>
94%
58073
89%
**81
99%
Hodgdon VARGET
<<locked>>
90%
58378
90%
**66
100%
Hodgdon TrailBoss
<<locked>>
96%
34011
52%
**81
100%
IMR 3031
<<locked>>
87%
57435
88%
**40
100%
IMR 4064
<<locked>>
91%
58204
90%
**56
100%
IMR 4166 Enduron
<<locked>>
91%
57798
89%
**33
99%
IMR 4350
<<locked>>
97%
57870
89%
**76
98%
IMR 4451 Enduron
<<locked>>
92%
58059
89%
**66
99%
IMR 4831
<<locked>>
97%
50212
77%
**84
100%
IMR 4895
<<locked>>
86%
57682
89%
**99
100%
[IMR 4955 Enduron]*
<<locked>>
97%
46514
72%
**76
93%
[IMR 7828 SSC]*
<<locked>>
97%
45730
70%
**61
93%
IMR 8208 XBR
<<locked>>
83%
58276
90%
**40
100%
Lovex D073.6
<<locked>>
84%
57943
89%
**43
100%
Lovex S060
<<locked>>
85%
58204
90%
**13
100%
Lovex S062
<<locked>>
88%
58030
89%
**43
100%
Lovex S065
<<locked>>
95%
58131
89%
**63
100%
Lovex S070
<<locked>>
96%
58001
89%
**89
99%
[Lovex S071]*
<<locked>>
97%
35114
54%
**85
94%
Norma 201
<<locked>>
85%
57609
89%
**27
100%
Norma 202
<<locked>>
85%
58117
89%
**23
100%
Norma 203B
<<locked>>
88%
58276
90%
**89
100%
Norma 204
<<locked>>
96%
57754
89%
**15
97%
Norma MRP
<<locked>>
97%
45063
69%
**00
97%
Norma URP
<<locked>>
96%
57537
89%
**25
100%
Ramshot Big Game
<<locked>>
87%
57725
89%
**95
100%
[Ramshot Grand]*
<<locked>>
97%
48008
74%
**10
94%
Ramshot Hunter
<<locked>>
97%
57101
88%
**28
99%
[Ramshot Magnum]*
<<locked>>
97%
41814
64%
**72
94%
Ramshot TAC
<<locked>>
83%
58233
90%
**59
100%
Ramshot Wild Boar
<<locked>>
83%
58363
90%
**79
100%
ReloadSwiss RS 14
<<locked>>
96%
34374
53%
**24
100%
ReloadSwiss RS 50
<<locked>>
89%
57972
89%
**72
99%
ReloadSwiss RS 52
<<locked>>
85%
58189
90%
**48
100%
ReloadSwiss RS 60
<<locked>>
91%
57493
88%
**71
100%
ReloadSwiss RS 62 👍
<<locked>>
96%
58030
89%
**54
100%
ReloadSwiss RS 70
<<locked>>
97%
58479
90%
**04
100%
Rottweil R 901
<<locked>>
83%
58218
90%
**07
100%
Rottweil R 902
<<locked>>
87%
58363
90%
**30
100%
Rottweil R 903
<<locked>>
91%
57986
89%
**76
100%
Rottweil R 904
<<locked>>
96%
51358
79%
**81
95%
Rottweil R 905
<<locked>>
97%
48254
74%
**84
96%
Rottweil R 907
<<locked>>
94%
58262
90%
**63
98%
SNPE Vectan SP 11
<<locked>>
90%
58349
90%
**12
100%
SNPE Vectan SP 7
<<locked>>
84%
58334
90%
**59
100%
SNPE Vectan SP 9
<<locked>>
85%
58160
90%
**69
100%
SNPE Vectan Tubal 3000
<<locked>>
85%
57914
89%
**44
100%
SNPE Vectan Tubal 5000
<<locked>>
90%
57595
89%
**38
100%
SNPE Vectan Tubal 7000
<<locked>>
95%
58378
90%
**17
99%
Shooters World Long Rifle
<<locked>>
95%
58131
89%
**63
100%
Shooters World Match Rifle
<<locked>>
84%
57943
89%
**43
100%
Shooters World Precision
<<locked>>
88%
58030
89%
**43
100%
Somchem S335
<<locked>>
85%
58349
90%
**61
100%
Somchem S341
<<locked>>
84%
57769
89%
**43
100%
Somchem S355
<<locked>>
92%
58436
90%
**72
100%
[Somchem S361]*
<<locked>>
97%
53417
82%
**74
94%
Somchem S365
<<locked>>
97%
53316
82%
**86
100%
Somchem S385
<<locked>>
97%
48515
75%
**58
97%
Vihtavuori N133
<<locked>>
87%
58218
90%
**31
100%
Vihtavuori N135
<<locked>>
92%
57493
88%
**74
100%
Vihtavuori N140
<<locked>>
87%
58218
90%
**94
100%
Vihtavuori N150
<<locked>>
97%
58218
90%
**33
100%
Vihtavuori N160
<<locked>>
94%
58233
90%
**89
100%
[Vihtavuori N165]*
<<locked>>
97%
40712
63%
**87
94%
Vihtavuori N540
<<locked>>
87%
57667
89%
**17
100%
Vihtavuori N550
<<locked>>
94%
58088
89%
**25
100%
Vihtavuori N555
<<locked>>
97%
44759
69%
**51
99%
[Vihtavuori N560]*
<<locked>>
97%
43700
67%
**38
92%
Winchester 6.5 StaBALL
<<locked>>
95%
57914
89%
**59
100%
Winchester 760 👍
<<locked>>
92%
57667
89%
**38
99%
Winchester StaBALL HD
<<locked>>
97%
33460
52%
**92
100%
Winchester Supreme 780
<<locked>>
97%
50894
78%
**81
96%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
51445
79%
**74
100%
ADI AR 2208
<<locked>>
81%
43787
67%
**20
99%
[ADI AR 2209]*
<<locked>>
86%
35317
54%
**89
90%
[ADI AR 2213]*
<<locked>>
94%
40045
62%
**20
90%
ADI Benchmark 8208
<<locked>>
81%
53606
82%
**67
100%
Accurate 2200
<<locked>>
81%
53737
83%
**81
100%
Accurate 2495
<<locked>>
81%
53882
83%
**51
100%
Accurate 2700
<<locked>>
81%
41901
64%
**31
95%
[Accurate 3100]*
<<locked>>
84%
27108
42%
**69
90%
Accurate 4064
<<locked>>
81%
45513
70%
**46
100%
Accurate 4350
<<locked>>
81%
33837
52%
**72
96%
Alliant Power Pro 2000-MR
<<locked>>
81%
47950
74%
**27
100%
Alliant Reloder- TS 15.5
<<locked>>
81%
43801
67%
**43
100%
Alliant Reloder-15
<<locked>>
81%
46746
72%
**08
100%
Alliant Reloder-16
<<locked>>
81%
33794
52%
**92
96%
Alliant Reloder-17
<<locked>>
81%
38305
59%
**26
99%
[Alliant Reloder-19]*
<<locked>>
86%
34548
53%
**72
90%
[Alliant Reloder-22]*
<<locked>>
90%
34490
53%
**12
90%
[Alliant Reloder-23]*
<<locked>>
81%
24497
38%
**23
92%
[Alliant Reloder-25]*
<<locked>>
90%
28485
44%
**48
90%
[Alliant Reloder-26]*
<<locked>>
82%
26600
41%
**34
90%
Baschieri & Pellagri 107
<<locked>>
81%
51488
79%
**90
100%
[Bofors RP15]*
<<locked>>
93%
34809
54%
**21
90%
Bofors RP3
<<locked>>
81%
43714
67%
**43
100%
[Bofors RP5]*
<<locked>>
90%
34490
53%
**12
90%
[Bofors RP7]*
<<locked>>
81%
39088
60%
**15
94%
Hodgdon CFE223
<<locked>>
81%
45818
71%
**22
99%
Hodgdon H380
<<locked>>
81%
44425
68%
**53
98%
Hodgdon H414
<<locked>>
81%
39827
61%
**07
95%
[Hodgdon H4350]*
<<locked>>
81%
33069
51%
**84
91%
[Hodgdon H4831 SC]*
<<locked>>
93%
40625
63%
**94
90%
Hodgdon H4895
<<locked>>
81%
51996
80%
**77
100%
Hodgdon Hybrid 100V
<<locked>>
81%
31169
48%
**84
97%
Hodgdon LVR
<<locked>>
81%
36985
57%
**38
96%
[Hodgdon Superperformance]*
<<locked>>
81%
35563
55%
**28
92%
Hodgdon VARGET
<<locked>>
81%
43497
67%
**07
99%
Hodgdon TrailBoss
<<locked>>
81%
27093
42%
**34
100%
IMR 3031
<<locked>>
81%
48240
74%
**02
100%
IMR 4064
<<locked>>
81%
42989
66%
**90
99%
IMR 4166 Enduron
<<locked>>
81%
42482
65%
**64
96%
[IMR 4350]*
<<locked>>
81%
34766
53%
**30
92%
IMR 4451 Enduron
<<locked>>
81%
40669
63%
**51
95%
[IMR 4831]*
<<locked>>
81%
29762
46%
**41
94%
IMR 4895
<<locked>>
81%
48008
74%
**38
100%
[IMR 4955 Enduron]*
<<locked>>
92%
39479
61%
**38
90%
[IMR 7828 SSC]*
<<locked>>
93%
39914
61%
**23
90%
IMR 8208 XBR
<<locked>>
81%
53606
82%
**67
100%
Lovex D073.6
<<locked>>
81%
51343
79%
**51
100%
Lovex S060
<<locked>>
81%
51213
79%
**08
100%
Lovex S062
<<locked>>
81%
46122
71%
**53
100%
Lovex S065
<<locked>>
81%
37913
58%
**95
96%
[Lovex S070]*
<<locked>>
81%
35955
55%
**62
94%
[Lovex S071]*
<<locked>>
89%
27267
42%
**75
90%
Norma 201
<<locked>>
81%
50430
78%
**22
100%
Norma 202
<<locked>>
81%
50923
78%
**22
100%
Norma 203B
<<locked>>
81%
46238
71%
**99
100%
[Norma 204]*
<<locked>>
82%
34635
53%
**62
90%
[Norma MRP]*
<<locked>>
86%
31546
49%
**59
90%
Norma URP
<<locked>>
81%
34200
53%
**72
96%
Ramshot Big Game
<<locked>>
81%
46557
72%
**18
100%
[Ramshot Grand]*
<<locked>>
91%
38972
60%
**10
90%
[Ramshot Hunter]*
<<locked>>
81%
33359
51%
**56
93%
[Ramshot Magnum]*
<<locked>>
91%
33910
52%
**79
90%
Ramshot TAC
<<locked>>
81%
53838
83%
**90
99%
Ramshot Wild Boar
<<locked>>
81%
53708
83%
**07
100%
ReloadSwiss RS 14
<<locked>>
81%
27499
42%
**73
100%
ReloadSwiss RS 50
<<locked>>
81%
44759
69%
**43
97%
ReloadSwiss RS 52
<<locked>>
81%
50662
78%
**33
100%
ReloadSwiss RS 60
<<locked>>
81%
40756
63%
**89
100%
ReloadSwiss RS 62
<<locked>>
81%
33837
52%
**95
96%
[ReloadSwiss RS 70]*
<<locked>>
81%
33460
51%
**95
94%
Rottweil R 901
<<locked>>
81%
54447
84%
**51
100%
Rottweil R 902
<<locked>>
81%
47761
74%
**72
100%
Rottweil R 903
<<locked>>
81%
41162
63%
**94
99%
[Rottweil R 904]*
<<locked>>
87%
37884
58%
**02
90%
[Rottweil R 905]*
<<locked>>
87%
33982
52%
**66
90%
[Rottweil R 907]*
<<locked>>
81%
39088
60%
**15
94%
SNPE Vectan SP 11
<<locked>>
81%
42525
65%
**49
99%
SNPE Vectan SP 7
<<locked>>
81%
52692
81%
**77
99%
SNPE Vectan SP 9
<<locked>>
81%
50169
77%
**38
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
51561
79%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
43192
66%
**21
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
36854
57%
**33
94%
Shooters World Long Rifle
<<locked>>
81%
37913
58%
**95
96%
Shooters World Match Rifle
<<locked>>
81%
51343
79%
**51
100%
Shooters World Precision
<<locked>>
81%
46122
71%
**53
100%
Somchem S335
<<locked>>
81%
51314
79%
**56
100%
Somchem S341
<<locked>>
81%
52460
81%
**64
100%
Somchem S355
<<locked>>
81%
41872
64%
**94
99%
[Somchem S361]*
<<locked>>
89%
40582
62%
**35
90%
Somchem S365
<<locked>>
81%
30676
47%
**26
98%
[Somchem S385]*
<<locked>>
84%
31082
48%
**67
90%
Vihtavuori N133
<<locked>>
81%
48573
75%
**97
100%
Vihtavuori N135
<<locked>>
81%
40712
63%
**18
100%
Vihtavuori N140
<<locked>>
81%
47616
73%
**43
100%
Vihtavuori N150
<<locked>>
81%
35534
55%
**33
99%
Vihtavuori N160
<<locked>>
81%
37159
57%
**12
97%
[Vihtavuori N165]*
<<locked>>
90%
32663
50%
**97
90%
Vihtavuori N540
<<locked>>
81%
47398
73%
**66
100%
Vihtavuori N550
<<locked>>
81%
37637
58%
**54
97%
[Vihtavuori N555]*
<<locked>>
81%
26208
40%
**92
93%
[Vihtavuori N560]*
<<locked>>
94%
40132
62%
**59
90%
Winchester 6.5 StaBALL
<<locked>>
81%
35273
54%
**52
98%
Winchester 760
<<locked>>
81%
39827
61%
**07
95%
[Winchester StaBALL HD]*
<<locked>>
84%
23250
36%
**23
90%
[Winchester Supreme 780]*
<<locked>>
86%
34693
53%
**49
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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