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Load data for .280 Ackley Improved + .284 | 150gr | Barnes TSX BT

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

.280 Ackley Improved + .284 | 150gr | Barnes TSX BT

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 150gr | Barnes TSX BT
Manufacturer SKU:
30293
Bullet Weight:
150gr | 9.7g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
1.310" | 33.3mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.570" | 14.5mm
Shank Seated Depth:
0.445" | 11.3mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B572_C285
Last updated:
2025-01-01
Recommended Twist Rate:
1:11 - 1:9

Load data for 178 loads in caliber .280 Ackley Improved with .284 | 150gr | Barnes TSX BT bullet and 89 powders such as Alliant Reloder-16, Hodgdon H414, Hodgdon Superperformance, Ramshot Hunter, 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".

  • Muzzle velocity vs. barrel length

    Every 1 inch additional barrel length increases muzzle velocity by approx. 31.6 fps

  • .

    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 2208
<<locked>>
88%
57667
89%
**58
100%
ADI AR 2209
<<locked>>
97%
53737
83%
**81
97%
ADI AR 2213
<<locked>>
97%
48051
74%
**05
95%
Accurate 2700
<<locked>>
89%
58160
90%
**18
99%
Accurate 3100
<<locked>>
97%
46891
72%
**36
99%
Accurate 4064
<<locked>>
86%
58015
89%
**31
100%
Accurate 4350
<<locked>>
94%
58131
89%
**27
100%
[Accurate MAGPRO]*
<<locked>>
97%
46108
71%
**02
92%
Alliant Reloder- TS 15.5
<<locked>>
88%
58175
90%
**71
100%
Alliant Reloder-15
<<locked>>
86%
58262
90%
**94
100%
Alliant Reloder-16 👍
<<locked>>
95%
57638
89%
**66
100%
Alliant Reloder-17
<<locked>>
91%
58378
90%
**86
100%
Alliant Reloder-19
<<locked>>
97%
52982
82%
**71
97%
Alliant Reloder-22
<<locked>>
97%
46644
72%
**08
96%
Alliant Reloder-23
<<locked>>
97%
44034
68%
**49
100%
Alliant Reloder-25
<<locked>>
97%
38870
60%
**67
97%
Alliant Reloder-26
<<locked>>
97%
49966
77%
**30
100%
Hodgdon CFE223
<<locked>>
86%
58392
90%
**27
100%
Hodgdon H380
<<locked>>
87%
58233
90%
**87
100%
Hodgdon H414 👍
<<locked>>
90%
57856
89%
**43
99%
Hodgdon H4350
<<locked>>
97%
57696
89%
**81
99%
[Hodgdon H4831]*
<<locked>>
97%
44353
68%
**87
93%
Hodgdon H4831 SC
<<locked>>
97%
50401
78%
**99
95%
Hodgdon Hybrid 100V
<<locked>>
97%
57522
89%
**84
100%
Hodgdon LVR
<<locked>>
92%
58073
89%
**23
100%
Hodgdon Superperformance 👍
<<locked>>
93%
58378
90%
**82
99%
Hodgdon VARGET
<<locked>>
88%
58131
89%
**61
100%
Hodgdon TrailBoss
<<locked>>
96%
34490
53%
**26
100%
IMR 3031
<<locked>>
85%
58305
90%
**44
100%
IMR 4064
<<locked>>
89%
57856
89%
**48
100%
IMR 4166 Enduron
<<locked>>
90%
58247
90%
**51
99%
IMR 4350
<<locked>>
95%
57551
89%
**77
99%
IMR 4451 Enduron
<<locked>>
91%
58349
90%
**74
99%
IMR 4831
<<locked>>
97%
53577
82%
**41
100%
IMR 4895
<<locked>>
85%
57754
89%
**97
100%
IMR 4955 Enduron
<<locked>>
97%
50024
77%
**59
95%
IMR 7828 SSC
<<locked>>
97%
48675
75%
**31
95%
Lovex S060
<<locked>>
84%
58450
90%
**18
100%
Lovex S062
<<locked>>
86%
58262
90%
**41
100%
Lovex S065
<<locked>>
92%
57769
89%
**64
100%
Lovex S070
<<locked>>
94%
57450
88%
**81
99%
Lovex S071
<<locked>>
97%
39015
60%
**82
97%
Norma 201
<<locked>>
84%
58059
89%
**31
100%
Norma 202
<<locked>>
83%
57914
89%
**12
100%
Norma 203B
<<locked>>
86%
58320
90%
**87
100%
Norma 204
<<locked>>
94%
57769
89%
**23
98%
Norma MRP
<<locked>>
97%
49385
76%
**87
98%
Norma URP
<<locked>>
95%
57928
89%
**27
100%
Ramshot Big Game
<<locked>>
85%
57870
89%
**00
100%
Ramshot Hunter 👍
<<locked>>
95%
58160
90%
**53
100%
Ramshot Magnum
<<locked>>
97%
45455
70%
**66
97%
ReloadSwiss RS 14
<<locked>>
96%
34954
54%
**62
100%
ReloadSwiss RS 50
<<locked>>
87%
58001
89%
**67
100%
ReloadSwiss RS 52
<<locked>>
86%
58189
90%
**00
100%
ReloadSwiss RS 60
<<locked>>
92%
58363
90%
**99
100%
ReloadSwiss RS 62
<<locked>>
94%
57595
89%
**43
100%
ReloadSwiss RS 70 👍
<<locked>>
95%
57943
89%
**05
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
37289
57%
**51
94%
Rottweil R 902
<<locked>>
85%
58349
90%
**31
100%
Rottweil R 903
<<locked>>
89%
57450
88%
**64
100%
Rottweil R 904
<<locked>>
97%
55216
85%
**48
97%
Rottweil R 905
<<locked>>
97%
51561
79%
**44
97%
Rottweil R 907
<<locked>>
91%
57798
89%
**64
99%
SNPE Vectan SP 11
<<locked>>
88%
58131
89%
**13
100%
SNPE Vectan SP 9
<<locked>>
83%
57566
89%
**61
100%
SNPE Vectan Tubal 3000
<<locked>>
83%
58363
90%
**56
100%
SNPE Vectan Tubal 5000
<<locked>>
89%
58218
90%
**43
100%
SNPE Vectan Tubal 7000
<<locked>>
93%
58334
90%
**25
99%
Shooters World Long Rifle
<<locked>>
92%
57769
89%
**64
100%
Shooters World Precision
<<locked>>
86%
58262
90%
**41
100%
Somchem S335
<<locked>>
83%
57667
89%
**46
100%
Somchem S355
<<locked>>
89%
58276
90%
**67
100%
Somchem S361
<<locked>>
97%
56695
87%
**41
96%
Somchem S365
<<locked>>
97%
57725
89%
**40
100%
Somchem S385
<<locked>>
97%
52823
81%
**38
98%
Vihtavuori N133
<<locked>>
85%
57740
89%
**23
100%
Vihtavuori N135
<<locked>>
90%
57638
89%
**76
100%
Vihtavuori N140
<<locked>>
85%
57899
89%
**92
100%
Vihtavuori N150
<<locked>>
95%
58465
90%
**35
100%
Vihtavuori N160
<<locked>>
92%
58465
90%
**90
100%
Vihtavuori N165
<<locked>>
97%
43511
67%
**61
96%
Vihtavuori N540
<<locked>>
85%
57595
89%
**12
100%
Vihtavuori N550
<<locked>>
92%
57783
89%
**23
100%
Vihtavuori N555
<<locked>>
97%
49226
76%
**35
100%
[Vihtavuori N560]*
<<locked>>
97%
46615
72%
**18
94%
[Vihtavuori N565]*
<<locked>>
97%
38928
60%
**51
92%
Winchester 6.5 StaBALL
<<locked>>
93%
57943
89%
**64
100%
Winchester 760
<<locked>>
90%
57856
89%
**43
99%
Winchester StaBALL HD
<<locked>>
97%
37681
58%
**92
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
46659
72%
**77
100%
[ADI AR 2209]*
<<locked>>
82%
33025
51%
**48
90%
[ADI AR 2213]*
<<locked>>
89%
37246
57%
**72
90%
Accurate 2700
<<locked>>
81%
44918
69%
**08
96%
[Accurate 3100]*
<<locked>>
81%
27253
42%
**90
91%
Accurate 4064
<<locked>>
81%
49052
75%
**03
100%
Accurate 4350
<<locked>>
81%
37318
57%
**66
98%
[Accurate MAGPRO]*
<<locked>>
94%
41597
64%
**00
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
46978
72%
**00
100%
Alliant Reloder-15
<<locked>>
81%
50198
77%
**72
100%
Alliant Reloder-16
<<locked>>
81%
36564
56%
**69
98%
Alliant Reloder-17
<<locked>>
81%
41524
64%
**00
100%
[Alliant Reloder-19]*
<<locked>>
81%
32285
50%
**31
90%
[Alliant Reloder-22]*
<<locked>>
85%
31923
49%
**67
90%
Alliant Reloder-23
<<locked>>
81%
26672
41%
**23
95%
[Alliant Reloder-25]*
<<locked>>
85%
26789
41%
**20
90%
[Alliant Reloder-26]*
<<locked>>
81%
28427
44%
**25
93%
Hodgdon CFE223
<<locked>>
81%
49516
76%
**95
100%
Hodgdon H380
<<locked>>
81%
47761
74%
**23
99%
Hodgdon H414
<<locked>>
81%
42743
66%
**84
97%
[Hodgdon H4350]*
<<locked>>
81%
35288
54%
**57
93%
[Hodgdon H4831]*
<<locked>>
92%
38116
59%
**52
90%
[Hodgdon H4831 SC]*
<<locked>>
88%
37739
58%
**43
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34055
52%
**74
99%
Hodgdon LVR
<<locked>>
81%
40176
62%
**15
98%
Hodgdon Superperformance
<<locked>>
81%
38232
59%
**12
95%
Hodgdon VARGET
<<locked>>
81%
46369
71%
**74
100%
Hodgdon TrailBoss
<<locked>>
88%
30980
48%
**54
100%
IMR 3031
<<locked>>
81%
51764
80%
**46
100%
IMR 4064
<<locked>>
81%
45832
71%
**57
100%
IMR 4166 Enduron
<<locked>>
81%
45136
69%
**25
97%
[IMR 4350]*
<<locked>>
81%
37231
57%
**07
94%
IMR 4451 Enduron
<<locked>>
81%
43004
66%
**12
97%
IMR 4831
<<locked>>
81%
32706
50%
**41
96%
IMR 4895
<<locked>>
81%
51401
79%
**95
100%
[IMR 4955 Enduron]*
<<locked>>
87%
36738
57%
**87
90%
[IMR 7828 SSC]*
<<locked>>
89%
37188
57%
**85
90%
Lovex S060
<<locked>>
81%
53998
83%
**49
100%
Lovex S062
<<locked>>
81%
49429
76%
**10
100%
Lovex S065
<<locked>>
81%
40466
62%
**66
97%
Lovex S070
<<locked>>
81%
38812
60%
**46
96%
[Lovex S071]*
<<locked>>
84%
25628
39%
**41
90%
Norma 201
<<locked>>
81%
53519
82%
**69
100%
Norma 202
<<locked>>
81%
54157
83%
**66
100%
Norma 203B
<<locked>>
81%
49545
76%
**59
100%
[Norma 204]*
<<locked>>
81%
36419
56%
**20
92%
[Norma MRP]*
<<locked>>
82%
29312
45%
**18
90%
Norma URP
<<locked>>
81%
37275
57%
**62
98%
Ramshot Big Game
<<locked>>
81%
49922
77%
**82
100%
Ramshot Hunter
<<locked>>
81%
35969
55%
**43
96%
[Ramshot Magnum]*
<<locked>>
87%
31575
49%
**34
90%
ReloadSwiss RS 14
<<locked>>
84%
29385
45%
**50
100%
ReloadSwiss RS 50
<<locked>>
81%
47863
74%
**03
98%
ReloadSwiss RS 52
<<locked>>
81%
49182
76%
**62
100%
ReloadSwiss RS 60
<<locked>>
81%
40190
62%
**97
100%
ReloadSwiss RS 62
<<locked>>
81%
37086
57%
**75
97%
ReloadSwiss RS 70
<<locked>>
81%
36230
56%
**85
97%
[ReloadSwiss RS 76]*
<<locked>>
92%
32111
49%
**00
90%
Rottweil R 902
<<locked>>
81%
51184
79%
**26
100%
Rottweil R 903
<<locked>>
81%
44541
69%
**57
100%
[Rottweil R 904]*
<<locked>>
83%
35070
54%
**57
90%
[Rottweil R 905]*
<<locked>>
82%
31343
48%
**15
90%
Rottweil R 907
<<locked>>
81%
41669
64%
**82
96%
SNPE Vectan SP 11
<<locked>>
81%
45542
70%
**07
100%
SNPE Vectan SP 9
<<locked>>
81%
53127
82%
**92
100%
SNPE Vectan Tubal 3000
<<locked>>
81%
54592
84%
**03
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46006
71%
**66
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
39856
61%
**07
96%
Shooters World Long Rifle
<<locked>>
81%
40466
62%
**66
97%
Shooters World Precision
<<locked>>
81%
49429
76%
**10
100%
Somchem S335
<<locked>>
81%
53998
83%
**00
100%
Somchem S355
<<locked>>
81%
44715
69%
**54
100%
[Somchem S361]*
<<locked>>
84%
37318
57%
**84
90%
Somchem S365
<<locked>>
81%
33344
51%
**13
99%
[Somchem S385]*
<<locked>>
81%
31285
48%
**95
91%
Vihtavuori N133
<<locked>>
81%
51459
79%
**41
100%
Vihtavuori N135
<<locked>>
81%
43816
67%
**69
100%
Vihtavuori N140
<<locked>>
81%
50821
78%
**90
100%
Vihtavuori N150
<<locked>>
81%
38276
59%
**00
100%
Vihtavuori N160
<<locked>>
81%
40451
62%
**89
98%
[Vihtavuori N165]*
<<locked>>
86%
30603
47%
**62
90%
Vihtavuori N540
<<locked>>
81%
50647
78%
**17
100%
Vihtavuori N550
<<locked>>
81%
40814
63%
**28
98%
Vihtavuori N555
<<locked>>
81%
29269
45%
**02
96%
[Vihtavuori N560]*
<<locked>>
90%
37579
58%
**18
90%
[Vihtavuori N565]*
<<locked>>
94%
35723
55%
**79
90%
Winchester 6.5 StaBALL
<<locked>>
81%
37826
58%
**33
99%
Winchester 760
<<locked>>
81%
42743
66%
**84
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23409
36%
**64
92%

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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