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Load data for .280 Ackley Improved + .284 | 139gr | Hornady InterLock FP

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

.280 Ackley Improved + .284 | 139gr | Hornady InterLock FP

Load Specifications

(Use the Personalized Load Calculator below to adjust )

Bullet:
.284 | 139gr | Hornady InterLock FP
Manufacturer SKU:
2822
Bullet Weight:
139gr | 9.0g
Bullet Diameter:
0.284" | 7.21mm
Bullet Length:
0.970" | 24.6mm
Caliber:
.280 Ackley Improved load data
Case Length (l3):
2.540" | 64.5mm
Cartridge Length (C.O.L.):
3.280" | 83.3mm
Seated Depth:
0.230" | 5.8mm
Shank Seated Depth:
0.230" | 5.8mm
Case Capacity:
74.0 Grains of Water | 4.80 cm³
Primer Size:
Large Rifle (LR)
Max. allowed Pressure:
64977 psi | 4480 bar
LID:
LID_B2625_C285
Last updated:
2025-02-02

Load data for 166 loads in caliber .280 Ackley Improved with .284 | 139gr | Hornady InterLock FP bullet and 83 powders such as Alliant Reloder-16, Norma URP, 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>>
88%
58479
90%
**92
100%
ADI AR 2209
<<locked>>
97%
54534
84%
**15
97%
[ADI AR 2213]*
<<locked>>
97%
48515
75%
**27
94%
Accurate 2700
<<locked>>
88%
57972
89%
**36
99%
Accurate 3100
<<locked>>
97%
47790
74%
**54
98%
Accurate 4064
<<locked>>
86%
58436
90%
**59
100%
Accurate 4350
<<locked>>
93%
57609
89%
**35
100%
[Accurate MAGPRO]*
<<locked>>
97%
46833
72%
**17
92%
Alliant Reloder- TS 15.5
<<locked>>
87%
58436
90%
**05
100%
Alliant Reloder-15
<<locked>>
85%
58465
90%
**18
100%
Alliant Reloder-16 👍
<<locked>>
95%
58407
90%
**04
100%
Alliant Reloder-17
<<locked>>
90%
58320
90%
**04
100%
Alliant Reloder-19
<<locked>>
97%
53751
83%
**02
97%
Alliant Reloder-22
<<locked>>
97%
47384
73%
**36
96%
Alliant Reloder-23
<<locked>>
97%
44976
69%
**87
100%
Alliant Reloder-25
<<locked>>
97%
39378
61%
**89
97%
Alliant Reloder-26
<<locked>>
97%
51837
80%
**81
100%
Hodgdon CFE223
<<locked>>
85%
57943
89%
**45
100%
Hodgdon H380
<<locked>>
86%
57653
89%
**02
100%
Hodgdon H414
<<locked>>
89%
57740
89%
**64
99%
Hodgdon H4350
<<locked>>
96%
57754
89%
**05
99%
[Hodgdon H4831]*
<<locked>>
97%
45368
70%
**08
93%
[Hodgdon H4831 SC]*
<<locked>>
97%
51068
79%
**23
94%
Hodgdon Hybrid 100V
<<locked>>
97%
58262
90%
**18
100%
Hodgdon LVR
<<locked>>
91%
57653
89%
**45
100%
Hodgdon Superperformance
<<locked>>
92%
58102
89%
**97
99%
Hodgdon VARGET
<<locked>>
88%
57899
89%
**86
100%
Hodgdon TrailBoss
<<locked>>
97%
34882
54%
**31
100%
IMR 3031
<<locked>>
84%
57682
89%
**56
100%
IMR 4064
<<locked>>
88%
57421
88%
**66
100%
IMR 4166 Enduron
<<locked>>
89%
58044
89%
**72
99%
IMR 4350
<<locked>>
94%
57827
89%
**05
99%
IMR 4451 Enduron
<<locked>>
90%
58146
89%
**95
99%
IMR 4831
<<locked>>
97%
55259
85%
**86
100%
IMR 4895
<<locked>>
84%
58160
90%
**28
100%
IMR 4955 Enduron
<<locked>>
97%
50488
78%
**84
95%
IMR 7828 SSC
<<locked>>
97%
50401
78%
**79
95%
Lovex S062
<<locked>>
86%
58073
89%
**66
100%
Lovex S065
<<locked>>
92%
58320
90%
**95
100%
Lovex S070
<<locked>>
93%
57827
89%
**05
99%
Lovex S071
<<locked>>
97%
39943
61%
**07
97%
Norma 203B
<<locked>>
85%
57653
89%
**02
100%
Norma 204
<<locked>>
94%
57827
89%
**48
98%
Norma MRP
<<locked>>
97%
50821
78%
**31
98%
Norma URP 👍
<<locked>>
94%
58407
90%
**61
100%
Ramshot Big Game
<<locked>>
85%
58131
89%
**22
100%
Ramshot Hunter 👍
<<locked>>
95%
58450
90%
**81
100%
Ramshot Magnum
<<locked>>
97%
46441
71%
**90
96%
ReloadSwiss RS 14
<<locked>>
96%
35302
54%
**70
100%
ReloadSwiss RS 50
<<locked>>
87%
58262
90%
**99
99%
ReloadSwiss RS 52
<<locked>>
85%
57914
89%
**25
100%
ReloadSwiss RS 60
<<locked>>
91%
58117
89%
**20
100%
ReloadSwiss RS 62 👍
<<locked>>
93%
58436
90%
**74
100%
ReloadSwiss RS 70 👍
<<locked>>
94%
57798
89%
**20
100%
[ReloadSwiss RS 76]*
<<locked>>
97%
38363
59%
**79
94%
Rottweil R 902
<<locked>>
85%
58436
90%
**56
100%
Rottweil R 903
<<locked>>
88%
57711
89%
**86
100%
Rottweil R 904
<<locked>>
97%
56637
87%
**92
97%
Rottweil R 905
<<locked>>
97%
53447
82%
**89
97%
Rottweil R 907
<<locked>>
91%
58450
90%
**02
99%
SNPE Vectan SP 11
<<locked>>
88%
58349
90%
**31
100%
SNPE Vectan SP 9
<<locked>>
83%
58276
90%
**92
100%
SNPE Vectan Tubal 5000
<<locked>>
88%
58204
90%
**64
100%
SNPE Vectan Tubal 7000
<<locked>>
92%
57856
89%
**40
99%
Shooters World Long Rifle
<<locked>>
92%
58320
90%
**95
100%
Shooters World Precision
<<locked>>
86%
58073
89%
**66
100%
Somchem S355
<<locked>>
89%
58450
90%
**99
100%
Somchem S361
<<locked>>
97%
58030
89%
**79
96%
Somchem S365
<<locked>>
96%
57798
89%
**61
100%
Somchem S385
<<locked>>
97%
53388
82%
**63
98%
Vihtavuori N133
<<locked>>
85%
58015
89%
**48
100%
Vihtavuori N135
<<locked>>
90%
57885
89%
**04
100%
Vihtavuori N140
<<locked>>
84%
57493
88%
**13
100%
Vihtavuori N150
<<locked>>
94%
57856
89%
**43
100%
Vihtavuori N160
<<locked>>
91%
57725
89%
**12
100%
Vihtavuori N165
<<locked>>
97%
45165
69%
**95
96%
Vihtavuori N540
<<locked>>
85%
58001
89%
**49
100%
Vihtavuori N550
<<locked>>
91%
57609
89%
**48
100%
Vihtavuori N555
<<locked>>
97%
50430
78%
**66
100%
[Vihtavuori N560]*
<<locked>>
97%
48254
74%
**63
94%
Winchester 6.5 StaBALL
<<locked>>
93%
58305
90%
**82
100%
Winchester 760
<<locked>>
89%
57740
89%
**64
99%
Winchester StaBALL HD
<<locked>>
97%
38812
60%
**07
100%

Max Load - Barrel Length: 23.60''

Powder
Charge
FR
MaxP
%
V(0)
z
ADI AR 2208
<<locked>>
81%
47181
73%
**05
100%
[ADI AR 2209]*
<<locked>>
82%
34142
53%
**72
90%
[ADI AR 2213]*
<<locked>>
90%
39044
60%
**20
90%
Accurate 2700
<<locked>>
81%
45542
70%
**23
96%
[Accurate 3100]*
<<locked>>
81%
27833
43%
**98
91%
Accurate 4064
<<locked>>
81%
50227
77%
**38
100%
Accurate 4350
<<locked>>
81%
38072
59%
**80
98%
[Accurate MAGPRO]*
<<locked>>
94%
42699
66%
**31
90%
Alliant Reloder- TS 15.5
<<locked>>
81%
47906
74%
**28
100%
Alliant Reloder-15
<<locked>>
81%
51111
79%
**07
100%
Alliant Reloder-16
<<locked>>
81%
37101
57%
**90
98%
Alliant Reloder-17
<<locked>>
81%
42221
65%
**35
100%
[Alliant Reloder-19]*
<<locked>>
82%
33373
51%
**66
90%
[Alliant Reloder-22]*
<<locked>>
86%
33562
52%
**08
90%
Alliant Reloder-23
<<locked>>
81%
27166
42%
**25
95%
[Alliant Reloder-25]*
<<locked>>
86%
27789
43%
**41
90%
[Alliant Reloder-26]*
<<locked>>
81%
29080
45%
**39
93%
Hodgdon CFE223
<<locked>>
81%
50299
77%
**23
100%
Hodgdon H380
<<locked>>
81%
48805
75%
**54
99%
Hodgdon H414
<<locked>>
81%
43729
67%
**12
97%
[Hodgdon H4350]*
<<locked>>
81%
36100
56%
**82
93%
[Hodgdon H4831]*
<<locked>>
92%
39247
60%
**77
90%
[Hodgdon H4831 SC]*
<<locked>>
89%
39595
61%
**87
90%
Hodgdon Hybrid 100V
<<locked>>
81%
34577
53%
**82
98%
Hodgdon LVR
<<locked>>
81%
40901
63%
**40
98%
[Hodgdon Superperformance]*
<<locked>>
81%
39131
60%
**33
94%
Hodgdon VARGET
<<locked>>
81%
46920
72%
**02
100%
Hodgdon TrailBoss
<<locked>>
81%
27775
43%
**73
100%
IMR 3031
<<locked>>
81%
52315
81%
**84
100%
IMR 4064
<<locked>>
81%
46369
71%
**82
100%
IMR 4166 Enduron
<<locked>>
81%
45745
70%
**56
97%
[IMR 4350]*
<<locked>>
81%
37898
58%
**25
94%
IMR 4451 Enduron
<<locked>>
81%
43772
67%
**36
96%
IMR 4831
<<locked>>
81%
33330
51%
**52
96%
IMR 4895
<<locked>>
81%
52344
81%
**33
100%
[IMR 4955 Enduron]*
<<locked>>
87%
37971
58%
**21
90%
[IMR 7828 SSC]*
<<locked>>
89%
38435
59%
**10
90%
Lovex S062
<<locked>>
81%
49937
77%
**35
100%
Lovex S065
<<locked>>
81%
41350
64%
**94
97%
Lovex S070
<<locked>>
81%
39552
61%
**64
95%
[Lovex S071]*
<<locked>>
84%
26571
41%
**56
90%
Norma 203B
<<locked>>
81%
50328
77%
**90
100%
[Norma 204]*
<<locked>>
81%
37159
57%
**38
92%
[Norma MRP]*
<<locked>>
82%
30792
47%
**52
90%
Norma URP
<<locked>>
81%
38072
59%
**80
97%
Ramshot Big Game
<<locked>>
81%
50749
78%
**07
100%
Ramshot Hunter
<<locked>>
81%
36753
57%
**61
95%
[Ramshot Magnum]*
<<locked>>
87%
32590
50%
**62
90%
ReloadSwiss RS 14
<<locked>>
81%
28137
43%
**13
100%
ReloadSwiss RS 50
<<locked>>
81%
48747
75%
**35
98%
ReloadSwiss RS 52
<<locked>>
81%
50198
77%
**00
100%
ReloadSwiss RS 60
<<locked>>
81%
40828
63%
**22
100%
ReloadSwiss RS 62
<<locked>>
81%
38029
59%
**00
97%
ReloadSwiss RS 70
<<locked>>
81%
36738
57%
**00
96%
[ReloadSwiss RS 76]*
<<locked>>
92%
32982
51%
**18
90%
Rottweil R 902
<<locked>>
81%
51808
80%
**58
100%
Rottweil R 903
<<locked>>
81%
45440
70%
**92
100%
[Rottweil R 904]*
<<locked>>
83%
36593
56%
**98
90%
[Rottweil R 905]*
<<locked>>
83%
32924
51%
**52
90%
Rottweil R 907
<<locked>>
81%
42409
65%
**07
96%
SNPE Vectan SP 11
<<locked>>
81%
46456
72%
**38
100%
SNPE Vectan SP 9
<<locked>>
81%
54070
83%
**27
100%
SNPE Vectan Tubal 5000
<<locked>>
81%
46789
72%
**00
100%
SNPE Vectan Tubal 7000
<<locked>>
81%
40451
62%
**28
96%
Shooters World Long Rifle
<<locked>>
81%
41350
64%
**94
97%
Shooters World Precision
<<locked>>
81%
49937
77%
**35
100%
Somchem S355
<<locked>>
81%
45716
70%
**85
100%
[Somchem S361]*
<<locked>>
84%
38740
60%
**12
90%
Somchem S365
<<locked>>
81%
34098
52%
**31
99%
[Somchem S385]*
<<locked>>
81%
31981
49%
**03
91%
Vihtavuori N133
<<locked>>
81%
52040
80%
**72
100%
Vihtavuori N135
<<locked>>
81%
44208
68%
**97
100%
Vihtavuori N140
<<locked>>
81%
51837
80%
**28
100%
Vihtavuori N150
<<locked>>
81%
39073
60%
**25
100%
Vihtavuori N160
<<locked>>
81%
40901
63%
**13
98%
[Vihtavuori N165]*
<<locked>>
86%
31937
49%
**97
90%
Vihtavuori N540
<<locked>>
81%
51401
79%
**44
100%
Vihtavuori N550
<<locked>>
81%
41785
64%
**66
98%
Vihtavuori N555
<<locked>>
81%
29907
46%
**16
95%
[Vihtavuori N560]*
<<locked>>
90%
38870
60%
**49
90%
Winchester 6.5 StaBALL
<<locked>>
81%
38566
59%
**48
99%
Winchester 760
<<locked>>
81%
43729
67%
**12
97%
[Winchester StaBALL HD]*
<<locked>>
81%
23917
37%
**72
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.

<<locked>>... you need to buy an access license to unlock the data

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