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Load data for .280 Ackley Improved + .284 | 125gr | Lehigh Defense Controlled Chaos

Recommended Powder(s): Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, SNPE Vectan SP 11

.280 Ackley Improved + .284 | 125gr | Lehigh Defense Controlled Chaos

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 125gr | Lehigh Defense Controlled Chaos
Manufacturer SKU:
Bullet Weight:
125gr | 8.1g
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:
64977 psi | 4480 bar
LID:
LID_B11014_C285
Last updated:
2026-04-03
Recommended Twist Rate:
1:10 - 1:9

Load data for 202 loads in caliber .280 Ackley Improved with .284 | 125gr | Lehigh Defense Controlled Chaos bullet and 101 powders such as Alliant Reloder-15, Alliant Reloder-17, Hodgdon CFE223, Ramshot Big Game, SNPE Vectan SP 11. 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>>
87%
57928
89%
**27
100%
ADI AR 2208
<<locked>>
92%
58233
90%
**20
100%
[ADI AR 2209]*
<<locked>>
97%
46021
71%
**63
93%
ADI Benchmark 8208
<<locked>>
85%
57682
89%
**91
100%
Accurate 2015
<<locked>>
83%
57653
89%
**05
100%
Accurate 2200
<<locked>>
85%
57899
89%
**00
100%
Accurate 2495
<<locked>>
86%
57827
89%
**71
100%
Accurate 2520
<<locked>>
85%
57595
89%
**00
100%
Accurate 2700
<<locked>>
93%
58305
90%
**48
97%
[Accurate 3100]*
<<locked>>
97%
37855
58%
**76
94%
Accurate 4064
<<locked>>
91%
58334
90%
**00
100%
Accurate 4350
<<locked>>
97%
53592
82%
**10
99%
Alliant AR-Comp
<<locked>>
85%
58450
90%
**51
100%
Alliant Power Pro 2000-MR
<<locked>>
89%
57435
88%
**48
100%
Alliant Reloder- TS 15.5
<<locked>>
92%
58030
89%
**33
100%
Alliant Reloder-15 👍
<<locked>>
90%
58146
89%
**56
100%
Alliant Reloder-16
<<locked>>
97%
51474
79%
**14
99%
Alliant Reloder-17 👍
<<locked>>
95%
58175
90%
**45
100%
[Alliant Reloder-19]*
<<locked>>
97%
44773
69%
**36
93%
Alliant Reloder-23
<<locked>>
97%
36724
57%
**15
97%
Alliant Reloder-26
<<locked>>
97%
41321
64%
**89
97%
Baschieri & Pellagri 107
<<locked>>
87%
57740
89%
**43
100%
Bofors RP3
<<locked>>
92%
58349
90%
**36
100%
Bofors RP7
<<locked>>
96%
58465
90%
**14
97%
Hodgdon BL-C2
<<locked>>
85%
58421
90%
**50
100%
Hodgdon Benchmark
<<locked>>
85%
58001
89%
**48
100%
Hodgdon CFE223 👍
<<locked>>
90%
57522
89%
**69
100%
Hodgdon H322
<<locked>>
84%
57870
89%
**77
100%
Hodgdon H380
<<locked>>
91%
58059
89%
**40
99%
Hodgdon H414
<<locked>>
94%
58146
89%
**96
98%
Hodgdon H4350
<<locked>>
97%
49995
77%
**89
96%
Hodgdon H4895
<<locked>>
86%
57682
89%
**33
100%
Hodgdon Hybrid 100V
<<locked>>
97%
47979
74%
**92
100%
Hodgdon LVR
<<locked>>
97%
57421
88%
**73
99%
Hodgdon Superperformance
<<locked>>
97%
57435
88%
**05
98%
Hodgdon VARGET
<<locked>>
93%
57783
89%
**07
100%
Hodgdon TrailBoss
<<locked>>
96%
33750
52%
**83
100%
IMR 3031
<<locked>>
89%
57464
88%
**00
100%
IMR 4064
<<locked>>
93%
58465
90%
**07
100%
IMR 4166 Enduron
<<locked>>
94%
58465
90%
**91
98%
IMR 4350
<<locked>>
97%
53301
82%
**41
97%
IMR 4451 Enduron
<<locked>>
95%
58392
90%
**14
98%
IMR 4831
<<locked>>
97%
45484
70%
**53
98%
IMR 4895
<<locked>>
89%
57725
89%
**53
100%
IMR 8208 XBR
<<locked>>
85%
57682
89%
**91
100%
Lovex D073.6
<<locked>>
87%
57595
89%
**00
100%
Lovex S060
<<locked>>
87%
57972
89%
**61
100%
Lovex S062
<<locked>>
91%
58305
90%
**04
100%
Lovex S065
<<locked>>
97%
57203
88%
**94
99%
Lovex S070
<<locked>>
97%
54926
85%
**81
98%
Norma 201
<<locked>>
88%
58088
89%
**94
100%
Norma 202
<<locked>>
88%
58450
90%
**87
100%
Norma 203B
<<locked>>
91%
58131
89%
**46
100%
Norma 204
<<locked>>
97%
53722
83%
**91
95%
[Norma MRP]*
<<locked>>
97%
41379
64%
**46
93%
Norma URP
<<locked>>
97%
53229
82%
**14
99%
Ramshot Big Game 👍
<<locked>>
90%
58378
90%
**66
100%
Ramshot Hunter
<<locked>>
97%
51837
80%
**97
98%
Ramshot TAC
<<locked>>
86%
58479
90%
**14
99%
Ramshot Wild Boar
<<locked>>
86%
58305
90%
**33
100%
ReloadSwiss RS 14
<<locked>>
96%
34055
52%
**26
100%
ReloadSwiss RS 50
<<locked>>
91%
57914
89%
**17
98%
ReloadSwiss RS 52
<<locked>>
87%
57783
89%
**02
100%
ReloadSwiss RS 60
<<locked>>
94%
57870
89%
**45
100%
ReloadSwiss RS 62
<<locked>>
97%
53345
82%
**36
99%
ReloadSwiss RS 70
<<locked>>
97%
53127
82%
**66
99%
Rottweil R 901
<<locked>>
86%
58349
90%
**64
100%
Rottweil R 902
<<locked>>
89%
57783
89%
**77
100%
Rottweil R 903
<<locked>>
94%
57696
89%
**27
100%
[Rottweil R 904]*
<<locked>>
97%
47819
74%
**49
92%
[Rottweil R 905]*
<<locked>>
97%
43598
67%
**20
93%
Rottweil R 907
<<locked>>
96%
58465
90%
**14
97%
SNPE Vectan SP 11 👍
<<locked>>
93%
58015
89%
**59
100%
SNPE Vectan SP 7
<<locked>>
86%
58349
90%
**14
99%
SNPE Vectan SP 9
<<locked>>
88%
58189
90%
**23
100%
SNPE Vectan Tubal 3000
<<locked>>
87%
57812
89%
**09
100%
SNPE Vectan Tubal 5000
<<locked>>
93%
58146
89%
**99
100%
SNPE Vectan Tubal 7000
<<locked>>
97%
57595
89%
**45
98%
Shooters World Long Rifle
<<locked>>
97%
57203
88%
**94
99%
Shooters World Match Rifle
<<locked>>
87%
57595
89%
**00
100%
Shooters World Precision
<<locked>>
91%
58305
90%
**04
100%
Somchem S335
<<locked>>
87%
57986
89%
**09
100%
Somchem S341
<<locked>>
86%
57943
89%
**00
100%
Somchem S355
<<locked>>
94%
58334
90%
**33
100%
[Somchem S361]*
<<locked>>
97%
48834
75%
**30
92%
Somchem S365
<<locked>>
97%
47703
73%
**48
100%
[Somchem S385]*
<<locked>>
97%
43874
68%
**97
94%
Vihtavuori N130
<<locked>>
84%
57798
89%
**69
100%
Vihtavuori N133
<<locked>>
89%
58044
89%
**92
100%
Vihtavuori N135
<<locked>>
95%
57609
89%
**38
100%
Vihtavuori N140
<<locked>>
90%
58334
90%
**61
100%
Vihtavuori N150
<<locked>>
96%
53490
82%
**12
100%
Vihtavuori N160
<<locked>>
96%
57769
89%
**33
100%
Vihtavuori N530
<<locked>>
83%
57377
88%
**00
100%
Vihtavuori N540
<<locked>>
90%
57812
89%
**84
100%
Vihtavuori N550
<<locked>>
96%
57725
89%
**73
100%
Vihtavuori N555
<<locked>>
97%
40553
62%
**10
98%
Winchester 6.5 StaBALL
<<locked>>
97%
55608
86%
**74
100%
Winchester 760
<<locked>>
94%
58146
89%
**96
98%
Winchester StaBALL HD
<<locked>>
97%
32764
50%
**89
97%
[Winchester Supreme 780]*
<<locked>>
97%
46412
71%
**33
93%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2206H
<<locked>>
81%
47616
73%
**49
99%
ADI AR 2208
<<locked>>
81%
40524
62%
**85
97%
[ADI AR 2209]*
<<locked>>
92%
39552
61%
**12
90%
ADI Benchmark 8208
<<locked>>
81%
49748
77%
**63
100%
Accurate 2015
<<locked>>
81%
53838
83%
**56
100%
Accurate 2200
<<locked>>
81%
49893
77%
**66
99%
Accurate 2495
<<locked>>
81%
49240
76%
**46
100%
Accurate 2520
<<locked>>
81%
50328
77%
**92
100%
[Accurate 2700]*
<<locked>>
81%
38711
60%
**80
92%
[Accurate 3100]*
<<locked>>
91%
30487
47%
**89
90%
Accurate 4064
<<locked>>
81%
41510
64%
**25
100%
[Accurate 4350]*
<<locked>>
81%
30313
47%
**05
93%
Alliant AR-Comp
<<locked>>
81%
50691
78%
**53
100%
Alliant Power Pro 2000-MR
<<locked>>
81%
43816
67%
**86
98%
Alliant Reloder- TS 15.5
<<locked>>
81%
40176
62%
**05
99%
Alliant Reloder-15
<<locked>>
81%
42989
66%
**71
98%
[Alliant Reloder-16]*
<<locked>>
81%
30995
48%
**31
93%
Alliant Reloder-17
<<locked>>
81%
34867
54%
**69
97%
[Alliant Reloder-19]*
<<locked>>
92%
38580
59%
**02
90%
[Alliant Reloder-23]*
<<locked>>
85%
25034
39%
**41
90%
[Alliant Reloder-26]*
<<locked>>
88%
29820
46%
**57
90%
Baschieri & Pellagri 107
<<locked>>
81%
47369
73%
**56
98%
Bofors RP3
<<locked>>
81%
39827
61%
**08
99%
[Bofors RP7]*
<<locked>>
81%
36056
55%
**61
91%
Hodgdon BL-C2
<<locked>>
81%
50372
78%
**18
100%
Hodgdon Benchmark
<<locked>>
81%
51880
80%
**56
100%
Hodgdon CFE223
<<locked>>
81%
41713
64%
**81
97%
Hodgdon H322
<<locked>>
81%
53301
82%
**09
100%
Hodgdon H380
<<locked>>
81%
40741
63%
**18
96%
[Hodgdon H414]*
<<locked>>
81%
36172
56%
**49
92%
[Hodgdon H4350]*
<<locked>>
85%
34650
53%
**54
90%
Hodgdon H4895
<<locked>>
81%
48051
74%
**63
100%
[Hodgdon Hybrid 100V]*
<<locked>>
81%
28355
44%
**23
94%
[Hodgdon LVR]*
<<locked>>
81%
33649
52%
**77
93%
[Hodgdon Superperformance]*
<<locked>>
84%
35752
55%
**53
90%
Hodgdon VARGET
<<locked>>
81%
40263
62%
**82
97%
Hodgdon TrailBoss
<<locked>>
81%
26948
41%
**29
100%
IMR 3031
<<locked>>
81%
44048
68%
**87
100%
IMR 4064
<<locked>>
81%
39740
61%
**66
97%
[IMR 4166 Enduron]*
<<locked>>
81%
39523
61%
**26
93%
[IMR 4350]*
<<locked>>
84%
34650
53%
**54
90%
[IMR 4451 Enduron]*
<<locked>>
81%
37652
58%
**03
92%
[IMR 4831]*
<<locked>>
81%
26760
41%
**77
90%
IMR 4895
<<locked>>
81%
44135
68%
**13
99%
IMR 8208 XBR
<<locked>>
81%
49748
77%
**63
100%
Lovex D073.6
<<locked>>
81%
46992
72%
**27
100%
Lovex S060
<<locked>>
81%
47819
74%
**90
99%
Lovex S062
<<locked>>
81%
42525
65%
**35
99%
[Lovex S065]*
<<locked>>
81%
34867
54%
**44
93%
[Lovex S070]*
<<locked>>
81%
32909
51%
**12
91%
Norma 201
<<locked>>
81%
46688
72%
**00
100%
Norma 202
<<locked>>
81%
47050
72%
**10
100%
Norma 203B
<<locked>>
81%
42482
65%
**61
98%
[Norma 204]*
<<locked>>
88%
39465
61%
**05
90%
[Norma MRP]*
<<locked>>
92%
34940
54%
**72
90%
[Norma URP]*
<<locked>>
81%
30995
48%
**18
93%
Ramshot Big Game
<<locked>>
81%
42482
65%
**84
98%
[Ramshot Hunter]*
<<locked>>
82%
31444
48%
**21
90%
Ramshot TAC
<<locked>>
81%
49951
77%
**69
98%
Ramshot Wild Boar
<<locked>>
81%
49661
76%
**92
99%
ReloadSwiss RS 14
<<locked>>
81%
27238
42%
**68
100%
ReloadSwiss RS 50
<<locked>>
81%
41249
63%
**99
95%
ReloadSwiss RS 52
<<locked>>
81%
46064
71%
**99
99%
ReloadSwiss RS 60
<<locked>>
81%
37115
57%
**44
99%
[ReloadSwiss RS 62]*
<<locked>>
81%
30400
47%
**28
92%
[ReloadSwiss RS 70]*
<<locked>>
81%
30589
47%
**18
90%
Rottweil R 901
<<locked>>
81%
50256
77%
**40
100%
Rottweil R 902
<<locked>>
81%
44179
68%
**48
99%
Rottweil R 903
<<locked>>
81%
37492
58%
**46
98%
[Rottweil R 904]*
<<locked>>
93%
41756
64%
**18
90%
[Rottweil R 905]*
<<locked>>
93%
38029
59%
**99
90%
[Rottweil R 907]*
<<locked>>
81%
36056
55%
**61
91%
SNPE Vectan SP 11
<<locked>>
81%
38783
60%
**12
98%
SNPE Vectan SP 7
<<locked>>
81%
48501
75%
**49
98%
SNPE Vectan SP 9
<<locked>>
81%
46311
71%
**20
99%
SNPE Vectan Tubal 3000
<<locked>>
81%
47993
74%
**58
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
39972
62%
**03
100%
[SNPE Vectan Tubal 7000]*
<<locked>>
81%
33765
52%
**75
91%
[Shooters World Long Rifle]*
<<locked>>
81%
34867
54%
**44
93%
Shooters World Match Rifle
<<locked>>
81%
46992
72%
**27
100%
Shooters World Precision
<<locked>>
81%
42525
65%
**35
99%
Somchem S335
<<locked>>
81%
47747
73%
**51
100%
Somchem S341
<<locked>>
81%
48298
74%
**43
99%
Somchem S355
<<locked>>
81%
38392
59%
**62
98%
[Somchem S361]*
<<locked>>
94%
44976
69%
**48
90%
Somchem S365
<<locked>>
81%
27731
43%
**56
95%
[Somchem S385]*
<<locked>>
90%
34476
53%
**84
90%
Vihtavuori N130
<<locked>>
81%
53287
82%
**10
100%
Vihtavuori N133
<<locked>>
81%
45194
70%
**95
100%
Vihtavuori N135
<<locked>>
81%
37304
57%
**97
100%
Vihtavuori N140
<<locked>>
81%
43947
68%
**25
100%
Vihtavuori N150
<<locked>>
81%
32518
50%
**98
98%
[Vihtavuori N160]*
<<locked>>
81%
33750
52%
**61
94%
Vihtavuori N530
<<locked>>
81%
52808
81%
**25
100%
Vihtavuori N540
<<locked>>
81%
43743
67%
**44
100%
[Vihtavuori N550]*
<<locked>>
81%
34200
53%
**03
94%
[Vihtavuori N555]*
<<locked>>
84%
25657
39%
**93
90%
Winchester 6.5 StaBALL
<<locked>>
81%
32358
50%
**02
96%
[Winchester 760]*
<<locked>>
81%
36172
56%
**49
92%
[Winchester StaBALL HD]*
<<locked>>
90%
26005
40%
**26
90%
[Winchester Supreme 780]*
<<locked>>
92%
38856
60%
**62
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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